<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:blogger='http://schemas.google.com/blogger/2008' xmlns:georss='http://www.georss.org/georss' xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-6792700846399943002</id><updated>2026-01-25T17:44:57.419-06:00</updated><category term="aritmética"/><category term="matrix"/><category term="algoritmo"/><category term="acertijo"/><category term="computo"/><category term="precisión arbitraria"/><category term="algebra"/><category term="iterative"/><category term="ciencia"/><category term="historia"/><category term="numero"/><category term="Internet"/><category term="astronomía"/><category term="evolución"/><category term="lineal"/><category term="linear"/><category term="álgebra"/><category term="Feynman"/><category term="Física"/><category term="biología"/><category term="complejidad"/><category term="complex"/><category term="eigenvalue"/><category term="ejercicio"/><category term="lenguaje"/><category term="memoria"/><category term="method"/><category term="sparse matrix"/><category term="Agricultura"/><category term="Antropología"/><category term="Krylov"/><category term="Matlab"/><category term="Paleontología"/><category term="geología"/><category term="matrices"/><category term="multiplicación"/><category term="numeric"/><category term="pi"/><category term="power"/><category term="primo"/><category term="product"/><category term="software"/><category term="vector"/><category term="Arnoldi"/><category term="Canada"/><category term="GMP"/><category term="Galerkin"/><category term="Gram-Schmidt"/><category term="Hermitian"/><category term="Inglaterra"/><category term="Lanczos"/><category term="Mersenne"/><category term="México"/><category term="NASA"/><category term="NP"/><category term="Rayleigh"/><category term="Republica Domincana"/><category term="Rusia"/><category term="Trachtenberg"/><category term="biotecnología"/><category term="cerebro"/><category term="concentración"/><category term="conjugate"/><category term="cross"/><category term="cuántica"/><category term="datos"/><category term="dot"/><category term="equation"/><category term="espacio"/><category term="flops"/><category term="maya"/><category term="mechanics"/><category term="metric"/><category term="mexica"/><category term="mingw"/><category term="normal"/><category term="náhuatl"/><category term="operador"/><category term="pde"/><category term="python"/><category term="quotient"/><category term="química"/><category term="rotation"/><category term="soroban"/><category term="spectral"/><category term="square"/><category term="subspace"/><category term="symmetric"/><category term="system"/><category term="tecnología"/><category term="transgénicos"/><category term="transpose"/><category term="trigonometry"/><category term="unitary"/><title type='text'>算盤</title><subtitle type='html'>Matemáticas, optimización, y números</subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default?redirect=false'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><link rel='next' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default?start-index=26&amp;max-results=25&amp;redirect=false'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>60</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-8802926266889381359</id><published>2025-05-30T08:28:00.003-06:00</published><updated>2025-05-30T08:30:00.707-06:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="acertijo"/><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="aritmética"/><category scheme="http://www.blogger.com/atom/ns#" term="computo"/><category scheme="http://www.blogger.com/atom/ns#" term="precisión arbitraria"/><category scheme="http://www.blogger.com/atom/ns#" term="álgebra"/><title type='text'>La suma de dos de los números más famosos, π y e</title><summary type="text">La suma de dos de los números irracionales más famosos, 
π
 (la razon de la circunferencia al diametro) y 
e
 (la base del logaritmo natural), sigue siendo un problema abierto en matemáticas. Aunque ambos son irracionales (e incluso trascendentes), no se ha podido demostrar si su suma 
π
+
e
 es racional o irracional.&amp;nbsp;&amp;nbsp;En general, la suma de dos números trascendentes puede ser racional </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/8802926266889381359/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/8802926266889381359' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/8802926266889381359'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/8802926266889381359'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2025/05/la-suma-de-dos-de-los-numeros-mas.html' title='La suma de dos de los números más famosos, π y e'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-1491812880108527836</id><published>2021-09-09T21:01:00.000-05:00</published><updated>2021-09-09T21:01:11.436-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="acertijo"/><category scheme="http://www.blogger.com/atom/ns#" term="aritmética"/><category scheme="http://www.blogger.com/atom/ns#" term="computo"/><category scheme="http://www.blogger.com/atom/ns#" term="ejercicio"/><category scheme="http://www.blogger.com/atom/ns#" term="Internet"/><category scheme="http://www.blogger.com/atom/ns#" term="lenguaje"/><category scheme="http://www.blogger.com/atom/ns#" term="multiplicación"/><category scheme="http://www.blogger.com/atom/ns#" term="software"/><category scheme="http://www.blogger.com/atom/ns#" term="álgebra"/><title type='text'>Orden de operaciones aritméticas</title><summary type="text">Un problema que apareció en Internet a principios de 2011 es: &quot;¿Cuál es el valor de 48/2 (9 + 3)?&quot;&amp;nbsp;Dependiendo de si se interpreta la expresión como (48/2) (9 + 3) o como 48 / (2 (9 + 3)) se obtiene 288 o 2. No existe una convención estándar en cuanto a cuál de estas dos formas la expresión debe interpretarse, por lo que, de hecho, 48/2 (9 + 3) es ambiguo.&amp;nbsp;En general, para cualquier </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/1491812880108527836/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/1491812880108527836' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/1491812880108527836'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/1491812880108527836'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2021/09/orden-de-operaciones-aritmeticas.html' title='Orden de operaciones aritméticas'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-6689411582257876635</id><published>2020-07-23T02:28:00.000-05:00</published><updated>2020-07-23T02:28:04.078-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="acertijo"/><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="aritmética"/><category scheme="http://www.blogger.com/atom/ns#" term="ciencia"/><category scheme="http://www.blogger.com/atom/ns#" term="complejidad"/><category scheme="http://www.blogger.com/atom/ns#" term="computo"/><category scheme="http://www.blogger.com/atom/ns#" term="ejercicio"/><category scheme="http://www.blogger.com/atom/ns#" term="Feynman"/><category scheme="http://www.blogger.com/atom/ns#" term="Internet"/><category scheme="http://www.blogger.com/atom/ns#" term="lenguaje"/><category scheme="http://www.blogger.com/atom/ns#" term="numero"/><category scheme="http://www.blogger.com/atom/ns#" term="pi"/><category scheme="http://www.blogger.com/atom/ns#" term="álgebra"/><title type='text'>Alternativas matemáticas</title><summary type="text">



Lex Fridman es un ruso profesor del MIT que tiene un canal de YouTube (https://www.youtube.com/channel/UCSHZKyawb77ixDdsGog4iWA ), Artificial Intelligence podcast, donde entrevista a los grandes de la tecnología de información. El 7 de enero de 2020, Lex entrevisto a Grant Sanderson, creador de 3Blue1Brown, un popular canal de YouTube ( https://www.youtube.com/3Blue1Brown ), que utiliza </summary><link rel='enclosure' type='audio/mpeg' href='https://archive.org/download/sanderson/sanderson.mp3' length='0'/><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/6689411582257876635/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/6689411582257876635' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/6689411582257876635'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/6689411582257876635'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2020/07/alternativas-matematicas.html' title='Alternativas matemáticas'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://img.youtube.com/vi/U_lKUK2MCsg/default.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-5705626940854171447</id><published>2019-09-23T22:41:00.000-05:00</published><updated>2019-09-23T22:41:08.261-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="aritmética"/><category scheme="http://www.blogger.com/atom/ns#" term="computo"/><category scheme="http://www.blogger.com/atom/ns#" term="lineal"/><category scheme="http://www.blogger.com/atom/ns#" term="matrices"/><category scheme="http://www.blogger.com/atom/ns#" term="álgebra"/><title type='text'>Un auténtico tigre</title><summary type="text">El fallecimiento del Ingeniero y maestro de la Facultad de Ingeniería Mecánica Eléctrica (FIME), René Mario Montante Pardo, consternó a los directivos y alumnos de la Universidad Autónoma de Nuevo León, al confirmarse su muerte el día 22 de septiembre de 2019.

Montante Pardo se distinguió como docente de FIME por el desarrollo de un algoritmo del álgebra lineal para determinar soluciones de un </summary><link rel='enclosure' type='audio/mpeg' href='https://archive.org/download/montante/montante.mp3' length='0'/><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/5705626940854171447/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/5705626940854171447' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5705626940854171447'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5705626940854171447'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2019/09/un-autentico-tigre.html' title='Un auténtico tigre'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-5972723239595630971</id><published>2019-09-19T02:59:00.000-05:00</published><updated>2019-09-19T12:04:14.245-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="acertijo"/><category scheme="http://www.blogger.com/atom/ns#" term="aritmética"/><category scheme="http://www.blogger.com/atom/ns#" term="computo"/><title type='text'>Números mágicos</title><summary type="text">
I remember once going to see him when he was ill at Putney. I had ridden in taxi cab number 1729 and remarked that the number seemed to me rather a dull one, and that I hoped it was not an unfavourable omen. &quot;No,&quot; he replied, &quot;it is a very interesting number; it is the smallest number expressible as the sum of two cubes in two different ways.&quot;

British mathematician G. H. Hardy when he visited </summary><link rel='enclosure' type='audio/mpeg' href='https://archive.org/download/magia1089/magia1089.mp3' length='0'/><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/5972723239595630971/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/5972723239595630971' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5972723239595630971'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5972723239595630971'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2019/08/numeros-magicos.html' title='Números mágicos'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-5432902004128967652</id><published>2019-08-27T16:46:00.000-05:00</published><updated>2019-08-27T21:23:26.611-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="aritmética"/><category scheme="http://www.blogger.com/atom/ns#" term="memoria"/><title type='text'>Trucos aritméticos 1</title><summary type="text">Pase lo que pase, la práctica del cálculo mental debe de ser repetitiva, regular, alrededor de 10 minutos al día es suficiente: su cerebro tiene que adquirir los automatismos y para esto,solo repetir y repetir las mismas fórmulas es efectivo, los mismos cálculos hasta que esto se conviertan en cosa evidente y natural. El cálculo mental es interesante por más de un motivo:


Crea automatismos.
</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/5432902004128967652/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/5432902004128967652' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5432902004128967652'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5432902004128967652'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2009/08/trucos-aritmeticos-1.html' title='Trucos aritméticos 1'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://img.youtube.com/vi/AmnHgkX2cgQ/default.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-5148237077590756777</id><published>2019-08-26T17:32:00.000-05:00</published><updated>2019-08-27T02:53:06.784-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="acertijo"/><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="aritmética"/><category scheme="http://www.blogger.com/atom/ns#" term="computo"/><title type='text'>multiplicar con las manos</title><summary type="text">Para que multiplicar con los dedos funcione de manera exitosa, primero debes saber la tabla de multiplicación del 1 al 5. Multiplicar con las manos funciona con las tablas del 6, 7, 8, 9 y 10.


Coloca tus manos de modo que tus palmas estén frente a tu cuerpo y tus dedos frente a frente. Cada dedo representará nuevamente un número. Tus dedos meñiques representarán el número 6, tus dedos anulares </summary><link rel='enclosure' type='audio/mpeg' href='https://archive.org/download/dedos/dedos.mp3' length='0'/><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/5148237077590756777/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/5148237077590756777' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5148237077590756777'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5148237077590756777'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2015/10/multiplicar-con-las-manos.html' title='multiplicar con las manos'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4ZNc6AfAM9T4MQSai5uAfk3ZzIqEBqjHnOMJDiKagkNR3E5taipBjfsfDmMa1luqkkKXCJV490xDjowyfe8koYxfP8QnH_2wk91HWxeaq8bb0Y8xfjtVXLsZ-750fWqvTKPjmZZwp6J2e/s72-c/Source-lo8AI3ch8l.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-6947870793731918619</id><published>2016-09-11T22:42:00.000-05:00</published><updated>2016-09-11T22:42:05.971-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="datos"/><category scheme="http://www.blogger.com/atom/ns#" term="lineal"/><title type='text'>Análisis de regresión</title><summary type="text">Análisis de regresión y correlación lineal y múltipleLeer más:&amp;nbsp;http://www.monografias.com/trabajos96/analisis-regresion-y-correlacion/analisis-regresion-y-correlacion.shtml#regresionb#ixzz4K0dz6SJx


REGRESIÓN LINEAL ¡QUÉ LA FUERZA TE ACOMPAÑE!

Jorge Andrade10.2011
</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/6947870793731918619/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/6947870793731918619' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/6947870793731918619'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/6947870793731918619'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2016/09/analisis-de-regresion.html' title='Análisis de regresión'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-6920871977882916002</id><published>2014-08-25T19:38:00.001-05:00</published><updated>2014-08-25T19:38:41.908-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="acertijo"/><title type='text'>domino</title><summary type="text"></summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/6920871977882916002/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/6920871977882916002' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/6920871977882916002'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/6920871977882916002'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2014/08/domino.html' title='domino'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWuwlkjGUHv-jaITKJ-iGpasSZSZoj5DG6H8Ae4XdmD-OMQAFpg4BJ3TGrYE10_7VILg8JwU2aQIRvAodHXzI5W_korkayegpXMp91z1WXZlVCouR4UWUMOAouepp-HD5DEPx6PqBPtwWE/s72-c/10619892_10204815029321280_5526204090395911994_o.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-1338528844409787073</id><published>2014-06-28T21:18:00.001-05:00</published><updated>2014-06-28T21:18:23.655-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="acertijo"/><category scheme="http://www.blogger.com/atom/ns#" term="operador"/><title type='text'>simetría</title><summary type="text"></summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/1338528844409787073/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/1338528844409787073' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/1338528844409787073'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/1338528844409787073'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2014/06/simetria.html' title='simetría'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzuRqW_RhZtn3UBlZ3IcAV3nbsNihDqu7dwbBzHXVkldhXJ6jN5NvdX1BJHCpL1cTHbZCHNYkVkw4Bt6E688MFx_0G2ZjFuUdZoYxQgfywOCIJ33gg2nmbYSiQHN5gkPtVKwvRVNWjq65s/s72-c/1234491_420767308033446_907631913_n.png" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-2324857626884014188</id><published>2014-06-18T17:23:00.000-05:00</published><updated>2014-06-18T17:23:24.907-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="algebra"/><category scheme="http://www.blogger.com/atom/ns#" term="lineal"/><title type='text'> sistema de ecuaciones lineales</title><summary type="text">¿cuando un sistema de ecuaciones lineales es Compatible o Incompatible, Determinado o Indeterminado? 

Compatible significa que tiene solución 
Incompatible significa que no tiene solución (claro!) 

Determinado significa que la solución es única 
Indeterminado significa que la solución no es única 

</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/2324857626884014188/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/2324857626884014188' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/2324857626884014188'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/2324857626884014188'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2014/06/sistema-de-ecuaciones-lineales.html' title=' sistema de ecuaciones lineales'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-4511462538124358177</id><published>2014-05-27T12:49:00.000-05:00</published><updated>2014-05-27T08:21:51.818-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="equation"/><category scheme="http://www.blogger.com/atom/ns#" term="iterative"/><category scheme="http://www.blogger.com/atom/ns#" term="linear"/><category scheme="http://www.blogger.com/atom/ns#" term="method"/><title type='text'>Modified Richardson iteration</title><summary type="text">
Modified Richardson iteration&amp;nbsp;is an&amp;nbsp;iterative method&amp;nbsp;for solving a&amp;nbsp;system of linear equations.&amp;nbsp;Richardson iteration&amp;nbsp;was proposed by&amp;nbsp;Lewis Richardson&amp;nbsp;in his work dated 1910. It is similar to the&amp;nbsp;Jacobiand&amp;nbsp;Gauss–Seidel method.We seek the solution to a set of linear equations, expressed in matrix terms asThe Richardson iteration iswhere&amp;nbsp;ω&amp;nbsp;</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/4511462538124358177/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/4511462538124358177' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/4511462538124358177'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/4511462538124358177'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2011/01/modified-richardson-iteration.html' title='Modified Richardson iteration'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-5575524412468328572</id><published>2014-05-27T08:18:00.002-05:00</published><updated>2014-05-27T08:18:24.582-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="algebra"/><category scheme="http://www.blogger.com/atom/ns#" term="lineal"/><category scheme="http://www.blogger.com/atom/ns#" term="matrices"/><title type='text'>el núcleo y la imagen de un Aplicación lineal</title><summary type="text">

Published on Apr 21, 2012
Ejemplo de como se calcula el núcleo y la imagen de un Aplicación lineal</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/5575524412468328572/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/5575524412468328572' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5575524412468328572'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5575524412468328572'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2014/05/el-nucleo-y-la-imagen-de-un-aplicacion.html' title='el núcleo y la imagen de un Aplicación lineal'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-280127907804670728</id><published>2014-05-11T08:07:00.001-05:00</published><updated>2014-05-11T08:07:21.916-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="astronomía"/><title type='text'>Cruithne</title><summary type="text">

Cruithne no puede verse a simple vista. No solo es muy pequeño para ello, sino que se encuentra a una enorme distancia de la Tierra. En su aproximación máxima solo llega a unos 12 millones de kilómetros de nuestro planeta, unas 30 veces más lejos de lo que se encuentra la Luna. Un dato tranquilizador es que a pesar de lo compleja que es su trayectoria y su inestabilidad a largo plazo, los </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/280127907804670728/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/280127907804670728' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/280127907804670728'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/280127907804670728'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2014/05/cruithne.html' title='Cruithne'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-2299127017110878505</id><published>2014-04-27T07:52:00.000-05:00</published><updated>2014-04-22T16:15:29.680-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="eigenvalue"/><category scheme="http://www.blogger.com/atom/ns#" term="iterative"/><category scheme="http://www.blogger.com/atom/ns#" term="matrix"/><category scheme="http://www.blogger.com/atom/ns#" term="power"/><title type='text'>Inverse iteration</title><summary type="text">

Inverse iteration


From Wikipedia, the free encyclopedia



In&amp;nbsp;numerical analysis,&amp;nbsp;inverse iteration&amp;nbsp;is an&amp;nbsp;iterative&amp;nbsp;eigenvalue algorithm. It allows to find an approximate&amp;nbsp;eigenvector&amp;nbsp;when an approximation to a corresponding&amp;nbsp;eigenvalue&amp;nbsp;is already known. The method is conceptually similar to the&amp;nbsp;power method&amp;nbsp;and is also known as the&amp;nbsp;</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/2299127017110878505/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/2299127017110878505' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/2299127017110878505'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/2299127017110878505'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2011/02/inverse-iteration.html' title='Inverse iteration'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-5510781980776775848</id><published>2014-04-27T07:50:00.000-05:00</published><updated>2014-04-22T16:17:58.437-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="eigenvalue"/><category scheme="http://www.blogger.com/atom/ns#" term="iterative"/><category scheme="http://www.blogger.com/atom/ns#" term="matrix"/><category scheme="http://www.blogger.com/atom/ns#" term="power"/><category scheme="http://www.blogger.com/atom/ns#" term="quotient"/><category scheme="http://www.blogger.com/atom/ns#" term="Rayleigh"/><title type='text'>Rayleigh quotient iteration</title><summary type="text">

Rayleigh quotient iteration


From Wikipedia, the free encyclopedia



Rayleigh quotient iteration&amp;nbsp;is an&amp;nbsp;eigenvalue algorithm&amp;nbsp;which extends the idea of the&amp;nbsp;inverse iteration&amp;nbsp;by using the&amp;nbsp;Rayleigh quotient&amp;nbsp;to obtain increasingly accurate&amp;nbsp;eigenvalue&amp;nbsp;estimates.

Rayleigh quotient iteration is an&amp;nbsp;iterative method, that is, it must be repeated until </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/5510781980776775848/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/5510781980776775848' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5510781980776775848'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5510781980776775848'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2011/02/rayleigh-quotient-iteration.html' title='Rayleigh quotient iteration'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-2119152164471623166</id><published>2014-04-27T07:27:00.000-05:00</published><updated>2014-04-22T16:18:29.983-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="Arnoldi"/><category scheme="http://www.blogger.com/atom/ns#" term="Gram-Schmidt"/><category scheme="http://www.blogger.com/atom/ns#" term="iterative"/><category scheme="http://www.blogger.com/atom/ns#" term="Krylov"/><category scheme="http://www.blogger.com/atom/ns#" term="Lanczos"/><category scheme="http://www.blogger.com/atom/ns#" term="linear"/><category scheme="http://www.blogger.com/atom/ns#" term="matrix"/><title type='text'>Lanczos algorithm</title><summary type="text">

Lanczos algorithm


From Wikipedia, the free encyclopedia



The&amp;nbsp;Lanczos algorithm&amp;nbsp;is an&amp;nbsp;iterative algorithm&amp;nbsp;invented by&amp;nbsp;Cornelius Lanczos&amp;nbsp;that is an adaptation of&amp;nbsp;power methods&amp;nbsp;to findeigenvalues&amp;nbsp;and&amp;nbsp;eigenvectors&amp;nbsp;of a&amp;nbsp;square matrix&amp;nbsp;or the&amp;nbsp;singular value decomposition&amp;nbsp;of a rectangular matrix. It is particularly useful </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/2119152164471623166/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/2119152164471623166' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/2119152164471623166'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/2119152164471623166'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2011/02/lanczos-algorithm.html' title='Lanczos algorithm'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-3444655322786982230</id><published>2014-04-27T06:56:00.000-05:00</published><updated>2014-04-22T16:16:18.181-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="iterative"/><category scheme="http://www.blogger.com/atom/ns#" term="linear"/><category scheme="http://www.blogger.com/atom/ns#" term="method"/><category scheme="http://www.blogger.com/atom/ns#" term="sparse matrix"/><title type='text'>Conjugate gradient method</title><summary type="text">

Conjugate gradient method


From Wikipedia, the free encyclopedia








A comparison of the convergence ofgradient descent&amp;nbsp;with optimal step size (in green) and conjugate gradient (in red) for minimizing a quadratic function associated with a given linear system. Conjugate gradient, assuming exact arithmetics, converges in at most&amp;nbsp;n&amp;nbsp;steps where&amp;nbsp;n&amp;nbsp;is the size of the </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/3444655322786982230/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/3444655322786982230' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/3444655322786982230'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/3444655322786982230'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2011/02/conjugate-gradient-method.html' title='Conjugate gradient method'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-2983710274781892876</id><published>2014-04-22T16:14:00.000-05:00</published><updated>2014-04-22T16:14:12.037-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="acertijo"/><category scheme="http://www.blogger.com/atom/ns#" term="algoritmo"/><category scheme="http://www.blogger.com/atom/ns#" term="aritmética"/><title type='text'>operador</title><summary type="text">&amp;nbsp; 5 ! 2 = 37
&amp;nbsp; 6 ! 4 = 210
&amp;nbsp; 7 ! 6 = 113
&amp;nbsp; 8 ! 5 = 313
&amp;nbsp; 9 ! 2 = 711
&amp;nbsp; 9 ! 8 = 117
10 ! 6 = 416
15 ! 3 = 1218
</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/2983710274781892876/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/2983710274781892876' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/2983710274781892876'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/2983710274781892876'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2014/04/operador.html' title='operador'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-8622736818707129066</id><published>2014-02-18T01:09:00.000-06:00</published><updated>2014-02-18T01:09:03.058-06:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Antropología"/><category scheme="http://www.blogger.com/atom/ns#" term="complejidad"/><category scheme="http://www.blogger.com/atom/ns#" term="evolución"/><category scheme="http://www.blogger.com/atom/ns#" term="Rusia"/><title type='text'>los perros callejeros de Moscú</title><summary type="text">

PERROS QUE SE DESPLAZAN SOLOS EN METRO PARA “CAZAR” INCAUTOS
Científicos rusos han estudiado a los perros callejeros de Moscú y su evolución desde la caída del comunismo. Estos animales han demostrado una capacidad de adaptación al medio y a las nuevas circunstancias que supera en muchos casos con creces a la de los humanos.

Una de las habilidades desarrollada por estos canes es su costumbre </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/8622736818707129066/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/8622736818707129066' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/8622736818707129066'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/8622736818707129066'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2014/02/los-perros-callejeros-de-moscu.html' title='los perros callejeros de Moscú'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhy0qW5dLWtdYkvN6RRsyExl44_2wPF2YuQWQb5ghNKOuF7Y20B9t9aMrX_7lebhwLgB3OVlB53zW2V6y4nZ0pWZvc5Ysz0ph33oh2HkWm2JazBy6Jzwuu6B53jGyDSMT2p5axokgzbK8ds/s72-c/1185002_641992769158478_529958520_n.png" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-229330434334203802</id><published>2013-12-08T10:50:00.000-06:00</published><updated>2013-12-08T10:50:40.397-06:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="ciencia"/><category scheme="http://www.blogger.com/atom/ns#" term="Física"/><category scheme="http://www.blogger.com/atom/ns#" term="Inglaterra"/><title type='text'>Peter Higgs</title><summary type="text">Peter Higgs, autor de la teoría del bosón de Higgs, está seguro de que ninguna universidad le contrataría porque su trabajo no sería considerado productivo.
&quot;Ahora no obtendría el puesto académico. Tan simple como eso. No creo que me consideraran bastante  productivo&quot;, dice el científico. 
La atmósfera agitada de las universidades contemporáneas que espera de los académicos una enorme producción </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/229330434334203802/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/229330434334203802' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/229330434334203802'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/229330434334203802'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2013/12/peter-higgs.html' title='Peter Higgs'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-5014322962776489519</id><published>2013-10-25T02:22:00.000-05:00</published><updated>2013-10-25T02:48:20.606-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Agricultura"/><category scheme="http://www.blogger.com/atom/ns#" term="biología"/><category scheme="http://www.blogger.com/atom/ns#" term="biotecnología"/><category scheme="http://www.blogger.com/atom/ns#" term="ciencia"/><category scheme="http://www.blogger.com/atom/ns#" term="evolución"/><category scheme="http://www.blogger.com/atom/ns#" term="México"/><category scheme="http://www.blogger.com/atom/ns#" term="química"/><category scheme="http://www.blogger.com/atom/ns#" term="tecnología"/><category scheme="http://www.blogger.com/atom/ns#" term="transgénicos"/><title type='text'>organismos genéticamente modificados (OGM)</title><summary type="text">Ciencia traicionadaVíctor M. Toledo

Más que embustero, engañoso, tramposo o falso, el que miente se define mejor como &quot;aquel que falta a la verdad&quot;. Una mujer u hombre de ciencia es un miembro de la sociedad que se ha formado y especializado en el uso del pensamiento objetivo, la aplicación impecable de la razón, la artesanía de la lógica. Su calidad se mide por su capacidad para dejar fuera de </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/5014322962776489519/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/5014322962776489519' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5014322962776489519'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/5014322962776489519'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2013/10/organismos-geneticamente-modificados-ogm.html' title='organismos genéticamente modificados (OGM)'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-1670368781253614439</id><published>2013-10-20T20:18:00.000-05:00</published><updated>2013-10-18T21:56:44.581-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="evolución"/><category scheme="http://www.blogger.com/atom/ns#" term="Paleontología"/><category scheme="http://www.blogger.com/atom/ns#" term="Republica Domincana"/><title type='text'>Cuevas submarinas</title><summary type="text">

Published on Oct 13, 2013

Paleontologia en Republica Domincana
Paleontology in Domincan Republic flooded caves.


Music:
Theme song; Boogaloo Combo
Mickey Hart &amp; Zakir Hussain
Solar Fields Blue Moon station
Guem &amp; Zaka Percussion
Singing Fields ToneWorks Records
</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/1670368781253614439/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/1670368781253614439' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/1670368781253614439'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/1670368781253614439'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2013/10/cuevas-submarinas.html' title='Cuevas submarinas'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-7176768293626738410</id><published>2013-10-20T12:26:00.000-05:00</published><updated>2013-10-20T12:26:33.905-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Antropología"/><title type='text'>los pies de las raíces</title><summary type="text">

</summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/7176768293626738410/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/7176768293626738410' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/7176768293626738410'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/7176768293626738410'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2013/10/los-pies-de-las-raices.html' title='los pies de las raíces'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsUwmHwrTXylZZISmVgwKcHbxAqqoKQo8yLsh4Tmg49hwRNg4Ol-7xNxHXlrCK3EFxfVCJO0LlqhOSJlVrzLCQ-p6_Qsl8C2kDJLPLDMrZS9HYmjqCXCXWPZ6usKnQCMFe9b24ge9VetS0/s72-c/4874_572245502843247_1600394202_n.jpg" height="72" width="72"/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6792700846399943002.post-6501075128880858356</id><published>2013-10-20T07:32:00.000-05:00</published><updated>2013-10-18T21:57:28.217-05:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="biología"/><category scheme="http://www.blogger.com/atom/ns#" term="Canada"/><category scheme="http://www.blogger.com/atom/ns#" term="espacio"/><category scheme="http://www.blogger.com/atom/ns#" term="geología"/><title type='text'>El agua mas antigua</title><summary type="text">Desvelan una reserva de agua líquida que no veía la luz desde hace unos 2.000 millones de años.
En las profundidades de las minas de oro canadienses, los mineros a veces encuentran oro, y a veces depósitos de agua encerrados en la roca. Científicos británicos han pedido a estos mineros que recojan parte del agua de un depósito recien descubierto y el resultado ha sido sorprendente.

Los primeros </summary><link rel='replies' type='application/atom+xml' href='http://zacin.blogspot.com/feeds/6501075128880858356/comments/default' title='Comentarios de la entrada'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/6792700846399943002/6501075128880858356' title='0 Comentarios'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/6501075128880858356'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6792700846399943002/posts/default/6501075128880858356'/><link rel='alternate' type='text/html' href='http://zacin.blogspot.com/2013/05/el-agua-mas-antigua.html' title='El agua mas antigua'/><author><name>aguila lobo</name><uri>http://www.blogger.com/profile/08477156014895658880</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry></feed>