Re: Issue 2749 in sympy: subs(Dict) does not work

2011-10-19 Thread sympy
Comment #1 on issue 2749 by matt...@gmail.com: subs(Dict) does not work http://code.google.com/p/sympy/issues/detail?id=2749 This is again the problem we had with tuple and Tuple. We have to carefully use lower and upper case types. -- You received this message because you are subscribed to

Re: Issue 2745 in sympy: should cancel expand exp?

2011-10-19 Thread sympy
Comment #4 on issue 2745 by asmeu...@gmail.com: should cancel expand exp? http://code.google.com/p/sympy/issues/detail?id=2745 These functions are mostly targeted toward square roots, which are basically roots of quadratics (or quartics). When the minimal polynomial gets bigger, things beco

Issue 2751 in sympy: minpoly() should use PurePoly

2011-10-19 Thread sympy
Status: Accepted Owner: asmeu...@gmail.com Labels: Type-Defect Priority-Medium Polynomial New issue 2751 by asmeu...@gmail.com: minpoly() should use PurePoly http://code.google.com/p/sympy/issues/detail?id=2751 minpoly() used to use Pure, but when this was removed, it was made to use a Dummy i

Re: Issue 2607 in sympy: as_numer_denom() is too slow

2011-10-19 Thread sympy
Updates: Labels: -WrongResult NeedsReview smichr Comment #56 on issue 2607 by smi...@gmail.com: as_numer_denom() is too slow http://code.google.com/p/sympy/issues/detail?id=2607 https://github.com/sympy/sympy/pull/669 -- You received this message because you are subscribed to the Google

Re: Issue 2644 in sympy: expand problem

2011-10-19 Thread sympy
Updates: Labels: NeedsReview smichr Comment #2 on issue 2644 by smi...@gmail.com: expand problem http://code.google.com/p/sympy/issues/detail?id=2644 https://github.com/sympy/sympy/pull/669 -- You received this message because you are subscribed to the Google Groups "sympy-issues" grou

Re: Issue 2750 in sympy: solve could do a better job with over determined systems

2011-10-19 Thread sympy
Comment #2 on issue 2750 by smi...@gmail.com: solve could do a better job with over determined systems http://code.google.com/p/sympy/issues/detail?id=2750 When you don't tell it what to do, it gives you the first valid solution it finds. It used to give *all* valid solutions for symbols it

Re: Issue 2750 in sympy: solve could do a better job with over determined systems

2011-10-19 Thread sympy
Comment #3 on issue 2750 by smi...@gmail.com: solve could do a better job with over determined systems http://code.google.com/p/sympy/issues/detail?id=2750 I don't think it would be too hard to, when given less symbols than eqs, to find some additional variable that would allow the system t

Re: Issue 2745 in sympy: should cancel expand exp?

2011-10-19 Thread sympy
Comment #5 on issue 2745 by asmeu...@gmail.com: should cancel expand exp? http://code.google.com/p/sympy/issues/detail?id=2745 Also, we need to improve the root finder. The root for the above polynomial should be given as 2 + 3**(1/3), not (-3)**(1/3)*(-1/2 + sqrt(3)/2*I) + 3**(1/3). You c

Re: Issue 1924 in sympy: Eq() gets .as_basic() method

2011-10-19 Thread sympy
Comment #22 on issue 1924 by asmeu...@gmail.com: Eq() gets .as_basic() method http://code.google.com/p/sympy/issues/detail?id=1924 Yes, the name should be something like as_nonrelational (except there is probably a better name than that). as_expr() doesn't make sense as noted above since

Re: Issue 1924 in sympy: Eq() gets .as_basic() method

2011-10-19 Thread sympy
Comment #23 on issue 1924 by matt...@gmail.com: Eq() gets .as_basic() method http://code.google.com/p/sympy/issues/detail?id=1924 as_expr() doesn't make sense as noted above since Eq is already an Expr. Poly is an Expr, but it has as_expr() method. Almost everything is an Expr but there is

Re: Issue 1924 in sympy: Eq() gets .as_basic() method

2011-10-19 Thread sympy
Comment #24 on issue 1924 by smi...@gmail.com: Eq() gets .as_basic() method http://code.google.com/p/sympy/issues/detail?id=1924 I agree and see c17 above which responds to Ronan's previous comment. -- You received this message because you are subscribed to the Google Groups "sympy-issues" gro

Re: Issue 2750 in sympy: solve could do a better job with over determined systems

2011-10-19 Thread sympy
Updates: Labels: NeedsReview smichr Comment #4 on issue 2750 by smi...@gmail.com: solve could do a better job with over determined systems http://code.google.com/p/sympy/issues/detail?id=2750 The solver now skips equations that are found to be independent of symbols of interest. I'm

Re: Issue 1887 in sympy: Separate boolean and symbolic relationals

2011-10-19 Thread sympy
Issue 1887: Separate boolean and symbolic relationals http://code.google.com/p/sympy/issues/detail?id=1887 This issue is now blocking issue 1924. See http://code.google.com/p/sympy/issues/detail?id=1924 -- You received this message because you are listed in the owner or CC fields of this issue,

Re: Issue 1924 in sympy: Eq() gets .as_basic() method

2011-10-19 Thread sympy
Updates: Blockedon: 1887 Comment #25 on issue 1924 by ronan.l...@gmail.com: Eq() gets .as_basic() method http://code.google.com/p/sympy/issues/detail?id=1924 c12 still stands: Eq(FiniteSet(1, 2), FiniteSet(1, 2, 3)) should return what? I don't think this can be reasonably implemen

Re: Issue 1924 in sympy: Eq() gets .as_basic() method

2011-10-19 Thread sympy
Comment #26 on issue 1924 by ronan.l...@gmail.com: Eq() gets .as_basic() method http://code.google.com/p/sympy/issues/detail?id=1924 c12 still stands: Eq(FiniteSet(1, 2), FiniteSet(1, 2, 3)) should return what? I meant Eq(FiniteSet(1, 2), FiniteSet(1, 2, 3)).as_expr(), obviously. -- You

Re: Issue 1924 in sympy: Eq() gets .as_basic() method

2011-10-19 Thread sympy
Comment #27 on issue 1924 by smi...@gmail.com: Eq() gets .as_basic() method http://code.google.com/p/sympy/issues/detail?id=1924 Perhaps, as I indicated before, we can consider this a case of garbage in garbage out. And why would Eq keep that and not simply return False? -- You received this me