Review: Sage beginner’s guide.

Sage beginner’s guide is a book by  Craig Finch, published recently by PACKT publishing. After spending two weeks looking at different aspects of the book, I can say with property that this is an excellent book, an I’ll recommend it for beginners to medium experienced SAGE users. Since this is the first book I review, [...]

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Parallel python

In case you wanna explore with parallel python, the web page is http://www.parallelpython.com/ Installation in Linux (debian based): * download the tarball, say to your home folder * in a console type: $ cd $ tar xzf pp-1.6.1.tar.gz $ cd pp-1.6.1/ $ sudo python setup.py install * it should be installed in just one sec. [...]

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Young tableaux in LaTeX

I few month ago I was studying group theory, and the question of How to do Young tableaux in LaTeX pops up. After question some people, ask in groups and searching in CTAN, here I present the answer, ytableau package. Installation Get the zip package ytableau Open a terminal and run the following series of [...]

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SAGE tip: GRmodule. Day 07.

This code is supposed to be (if some one does the work in the future) located in sage.tensor.differential_form_element. The code presented below is a slight modification of Joris code for differential forms manipulation on SAGE. Needed modules from sage.symbolic.ring import SymbolicRing, SR from sage.rings.ring_element import RingElement from sage.algebras.algebra_element import AlgebraElement from sage.rings.integer import Integer from [...]

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SAGE tip: GRmodule. Day 06.

I’ve just updated the SAGE worksheet which uses the definitions described in the previous posts. There are some explanations in text format The code has been hidden… because is long. Moreover… I’ve discover something really amazing! Joris Vankerschaver‘s code of the differential form package in SAGE. Thus, I could use some ideas from Joris’ code [...]

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