Issue 1398 in sympy: solve(1/(5+x)**(S(1)/5)-9, x) fails

2009-04-29 Thread codesite-noreply
Status: Accepted Owner: Labels: Type-Defect Priority-High Solvers New issue 1398 by ondrej.certik: solve(1/(5+x)**(S(1)/5)-9, x) fails http://code.google.com/p/sympy/issues/detail?id=1398 In [9]: solve(1/(5+x)**(S(1)/5)-9, x)

Issue 1399 in sympy: make cse recognize negative of a subexpression

2009-04-29 Thread codesite-noreply
Status: Accepted Owner: Labels: Type-Defect Priority-Medium New issue 1399 by ondrej.certik: make cse recognize negative of a subexpression http://code.google.com/p/sympy/issues/detail?id=1399 Example: In [1]: a1, a2, a3, a4, a5, a6 = symbols([a1, a2, a3, a4, a5, a6]) In [2]: result =

[sympy] problems importing sympy

2009-04-29 Thread dennis.rose...@gmail.com
This might be a duplicate post---I sent something a few minutes ago but I might not have had a subject linedid not see post come up.. I am teaching a course in using software to do mathematics and have been discussing Python. I would like to present this to the class but cannot get to first

[sympy] Re: problems importing sympy

2009-04-29 Thread Roberto Nobrega
I see you are using Python 3.0.1. I'm not sure SymPy is ready for Python 3 yet. Just stick to last Python 2 version (currently 2.6.2) and hopefully everything will be alright. Roberto. On Wed, Apr 29, 2009 at 11:46, dennis.rose...@gmail.com dennis.rose...@gmail.com wrote: This might be a

[sympy] Re: Subclassing Poly?

2009-04-29 Thread Ondrej Certik
On Thu, Apr 23, 2009 at 9:48 AM, Ondrej Certik ond...@certik.cz wrote: On Tue, Apr 21, 2009 at 8:46 AM, dhruv lasnabvu...@gmail.com wrote: It seems like the above is the only thing I can do!  The Poly class can be instantiated using a few different calling schemes (lists, tuples,