[sympy] Re: Problem with parsing of an expression

2014-06-15 Thread Peter
Yes! That's what I'm looking for! Thanks a lot for your help! Am Sonntag, 15. Juni 2014 01:23:50 UTC+2 schrieb Peter: hallo everybody, I've got following script in an .py file: import sys from sympy import * from sympy.parsing.sympy_parser import *

Re: [sympy] Re: pattern replacement for complex numbers and manual factorization

2014-06-15 Thread F. B.
I wrote some ideas: https://github.com/sympy/sympy/wiki/Proposal-for-a-new-pattern-matching On Monday, June 9, 2014 9:36:50 AM UTC+2, F. B. wrote: On Sunday, June 8, 2014 3:38:23 AM UTC+2, Matthew wrote: I think that SymPy needs a better term rewriting system. And also a better pattern

Re: [sympy] Re: Convert from a system of linear equations to a matrix

2014-06-15 Thread James Crist
We certainly could. The question would then be what the scope of the method should be. Should it only handle systems that can be expressed as Ax = b? Or should it behave like `CoefficientArrays http://reference.wolfram.com/mathematica/ref/CoefficientArrays.html` mentioned above, and handle Ax