Re: Issue 2039 in sympy: Mul.eval_subs problems

Comment #14 on issue 2039 by smichr: Mul.eval_subs problems http://code.google.com/p/sympy/issues/detail?id=2039 I guess I was doing too much on my system...the overall runtime when I left things alone wasn't too much greater than before. However, now for non-commutatives I get: (sqrt(A)**

Re: Issue 2039 in sympy: Mul.eval_subs problems

Comment #13 on issue 2039 by asmeurer: Mul.eval_subs problems http://code.google.com/p/sympy/issues/detail?id=2039 Can you give an example expression that runs too slow for you? One trick to use is to step through the debugger and see which lines take so long (or it will be apparent which l

Re: Issue 2039 in sympy: Mul.eval_subs problems

Updates: Labels: NeedsReview Comment #12 on issue 2039 by smichr: Mul.eval_subs problems http://code.google.com/p/sympy/issues/detail?id=2039 ok, it works again...but I think the whole thing has slowed down. Any suggestions on efficiency would be appreciated. (And thanks for going th

Re: Issue 2041 in sympy: Doctest failures in Python 2.6.6

Comment #4 on issue 2041 by asmeurer: Doctest failures in Python 2.6.6 http://code.google.com/p/sympy/issues/detail?id=2041 Maybe for the match one, but the one that is so strange is the AssumptionsContext() vs. AssumptionsContext([]). Even typing "global_assumptions" in the Python 2.6.6 in

Re: Issue 2039 in sympy: Mul.eval_subs problems

Updates: Labels: -NeedsReview Comment #11 on issue 2039 by smichr: Mul.eval_subs problems http://code.google.com/p/sympy/issues/detail?id=2039 This new routine fails for these such subs: (y*exp(3*x/2)).subs(y*exp(x),2) y*exp(3*x/2) -- You received this message because you are subscri

Re: Issue 1289 in sympy: Improvements to integer factorization

Comment #6 on issue 1289 by asmeurer: Improvements to integer factorization http://code.google.com/p/sympy/issues/detail?id=1289 Isn't there already integer_nthroot()? -- You received this message because you are subscribed to the Google Groups "sympy-issues" group. To post to this group, send

Re: Issue 2041 in sympy: Doctest failures in Python 2.6.6

Comment #3 on issue 2041 by smichr: Doctest failures in Python 2.6.6 http://code.google.com/p/sympy/issues/detail?id=2041 Could it just be that the hashing function changed so it sorts differently now? -- You received this message because you are subscribed to the Google Groups "sympy-issue

Re: Issue 1289 in sympy: Improvements to integer factorization

Comment #5 on issue 1289 by smichr: Improvements to integer factorization http://code.google.com/p/sympy/issues/detail?id=1289 There is a nice paper on algorithms in linear time for finding if a number is a perfect power at http://cr.yp.to/papers/powers-ams.pdf. I implemented a tiny aspect o

Re: Issue 2010 in sympy: Integration with the full Risch Algorithm

Issue 2010: Integration with the full Risch Algorithm http://code.google.com/p/sympy/issues/detail?id=2010 This issue is now blocking issue 1988. See http://code.google.com/p/sympy/issues/detail?id=1988 -- You received this message because you are listed in the owner or CC fields of this issue,

Re: Issue 1988 in sympy: Fix printing of matrices with 0 rows or columns

Updates: Blockedon: 2010 Comment #5 on issue 1988 by asmeurer: Fix printing of matrices with 0 rows or columns http://code.google.com/p/sympy/issues/detail?id=1988 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups

Re: Issue 1989 in sympy: Remove depricated Matrix functions

Updates: Blockedon: 2010 Comment #3 on issue 1989 by asmeurer: Remove depricated Matrix functions http://code.google.com/p/sympy/issues/detail?id=1989 (No comment was entered for this change.) -- You received this message because you are subscribed to the Google Groups "sympy-issues" g

Re: Issue 2010 in sympy: Integration with the full Risch Algorithm

Issue 2010: Integration with the full Risch Algorithm http://code.google.com/p/sympy/issues/detail?id=2010 This issue is now blocking issue 1989. See http://code.google.com/p/sympy/issues/detail?id=1989 -- You received this message because you are listed in the owner or CC fields of this issue,

Re: Issue 2031 in sympy: Add 'auto' flag to div(), quo() and rem()

Comment #5 on issue 2031 by asmeurer: Add 'auto' flag to div(), quo() and rem() http://code.google.com/p/sympy/issues/detail?id=2031 I think this is a good solution. Really, when I think about it, it's the automatic domain detection that is the problem. -- You received this message becau

Re: Issue 2041 in sympy: Doctest failures in Python 2.6.6

Comment #2 on issue 2041 by asmeurer: Doctest failures in Python 2.6.6 http://code.google.com/p/sympy/issues/detail?id=2041 Well yes, we could fix it by patching doctest, but to me, something very strange is going on and we should figure out what it is. Can someone else maybe verify my resul