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Maths | Conecto ergo sum.
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Problem 3


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Wording: (Original) The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? Solution: First the code: include Math def prime_factors(num, factor=2) return [] if num

Problema 2


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Enunciado: Suma todos los números pares de la sucesión de Fibonacci menores que un cuatro millón. Primera solución: La primera solución es muy simple. Hay un método que devuelve un array con todos los números de la sucesión de Fibonacci menores que un máximo max tomando como inicio un array de dos elementos arr. def …

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Tweets del 19-03-2008


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¿Un objeto imposible? http://tinyurl.com/2nnd7b #

Problema 1


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Empiezo aquí una serie de artículos de periodicidad variable que lo único que pretende es ser algo similar (de una manera muy amplia) a PyEuler. La lista completa de problemas está en el Proyecto Euler y, como no podía ser de otra manera, empiezo por el primero. Enunciado: Halla la suma de todos los números …

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Tweets del 24-02-2008


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Cupones de descuento http://www.retailmenot.com/ # Gregory Freeman || Gordon House http://tinyurl.com/33h2zx # Diccionario del escéptico http://www.skepdic.com/tilogic.html # 100 Kirbies http://www.vgcats.com/comics/ # Evolución de Nintendo http://tinyurl.com/2pbzgj # El mensaje de Arecibo explicado http://tinyurl.com/3yut35 # Los 10 mejores trucos de CSS http://tinyurl.com/3c8lmp # Manual de Vim http://www.moolenaar.net/habits.html # Cómo leer declaraciones en C http://tinyurl.com/2johzr # Manual de …

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Tweets del 15-02-2008


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Born to Be Wild http://tinyurl.com/yoc3xj # 234 Free Online Cryptogram Puzzles http://tinyurl.com/3dmm7o #

Tweets del 13-02-2008


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Comandos para Mac http://tinyurl.com/2bemuc # Transformaciones de Möebius al descubierto http://tinyurl.com/3x22jy # Un poco de humor político http://tinyurl.com/yupbcc # Cubo de Yoshimoto. http://tinyurl.com/26hgrf # Computer Programming Algorithms Directory http://tinyurl.com/a25v3 # And She Stares Longingly at What She Has Lost, increíble corto. http://tinyurl.com/2ddxm9 # Fotos tomadas en los momentos más oportunos. http://tinyurl.com/ys3s4r #

Matemáticas egipcias.


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Hace medio mes empecé mis clases en la Universidad. En Historia de la matemática estamos a punto de llegar a los egipcios, cuya matemática resulta curiosa. Fracciones unitarias. Los egipcios ya conocían las fracciones aunque no todas le “gustaban”. De hecho, sólo le gustaban las fracciones unitarias (aquellas en las que el numerador es la …

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Su carencia de fe resulta molesta


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“Se traslada a este prisionero desde el bloque uno uno tres ocho” dice Luke Skywalker en La Guerra de las Galaxias: Una nueva esperanza. Ayer me compré la edición limitada de la primera trilogía. Sí, esa en la que viene como “extra” la versión estrenada en cines. La verdad es que aún no he podido …

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One group to rule them all.


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Dedicado a un matemático en ciernes, este post tratará de una simple definición del concepto matemático de Grupo, tal vez el primer obstaculillo que se encuentra el estudiante al empezar la carrera. Un grupo se compone de un conjunto de elementos (por ejemplo, X) y una operación binaria (por ejemplo, *) que cumplen los siguientes …

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