Re: [sage-support] Sage sgn to Sympy sign

2011-10-13 Thread Robert Bradshaw
We'd welcome a patch. How to do so is written up in detail at http://www.sagemath.org/doc/developer/walk_through.html#creating-a-change . Essentially, you create the change, uploaded it to trac, someone referees it, and then it gets merged into the next release. On Thu, Oct 13, 2011 at 9:30 AM, CD

Re: [sage-support] Question about Groener Basis

2011-10-13 Thread Martin Albrecht
On Thursday 13 October 2011, juaninf wrote: > I want implement a efficient linear solve system over GF(2) (and too > parallel if this is posible), Hi, are you talking about sparse or dense systems? > i reading this article, but i dont understand > > http://ask.sagemath.org/question/467/solve-la

[sage-support] Sage sgn to Sympy sign

2011-10-13 Thread CDSousa
Hi, Sage uses a dictionary to translate Sage function names to SymPy ones when they are different. Signal function is called "sgn" in Sage and "sign" in Sympy but the respective translation is not in the dictionary, and a error is issued if one tries to do something like: x = var('x'); sgn(x)._

[sage-support] Re: plots with logarithmic axis?

2011-10-13 Thread Jason Grout
On 10/13/11 9:18 AM, Jason Grout wrote: On 10/13/11 6:25 AM, Stan Schymanski wrote: Dear all, According to ticket http://trac.sagemath.org/sage_trac/ticket/4529, http://trac.sagemath.org/sage_trac/ticket/1431 shows a way how to use logarithmic axes in plot(), but I am just not getting it. Could

[sage-support] Re: plots with logarithmic axis?

2011-10-13 Thread Jason Grout
On 10/13/11 6:25 AM, Stan Schymanski wrote: Dear all, According to ticket http://trac.sagemath.org/sage_trac/ticket/4529, http://trac.sagemath.org/sage_trac/ticket/1431 shows a way how to use logarithmic axes in plot(), but I am just not getting it. Could someone point me in the right direction

[sage-support] plots with logarithmic axis?

2011-10-13 Thread Stan Schymanski
Dear all, According to ticket http://trac.sagemath.org/sage_trac/ticket/4529, http://trac.sagemath.org/sage_trac/ticket/1431 shows a way how to use logarithmic axes in plot(), but I am just not getting it. Could someone point me in the right direction or give a simple example for a plot with the y

[sage-support] Re: Question about Groener Basis

2011-10-13 Thread Simon King
Hi Juan, On 13 Okt., 07:08, juaninf wrote: > I want implement a efficient linear solve system over GF(2) (and too > parallel if this is posible), i reading this article, but i dont > understand > > http://ask.sagemath.org/question/467/solve-large-system-of-linear-equ... It very much depends on w