Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-03-16 Thread sympy
Status: Valid Owner: Labels: Type-Enhancement Priority-Medium Solvers New issue 3699 by asmeu...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 Currently, solve() has zero guarantees about how

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-03-16 Thread sympy
Updates: Blockedon: -sympy:3650 sympy:3560 Comment #1 on issue 3699 by asmeu...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 Make that issue 3560. -- You received this message because thi

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-03-16 Thread sympy
Issue 3699: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 This issue is now blocking issue sympy:3698. See http://code.google.com/p/sympy/issues/detail?id=3698 -- You received this message because you are list

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-04-03 Thread sympy
Comment #3 on issue 3699 by smi...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 see also https://code.google.com/p/sympy/issues/detail?id=1234 -- You received this message because this project is

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-05-03 Thread sympy
Comment #4 on issue 3699 by thilina@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 I am no expert here but couldn't we return True or False with the set of solutions as a tuple, depending on w

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-05-03 Thread sympy
Comment #5 on issue 3699 by thilina@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 Another work around is to return oo if the solution is incomplete. Since solve doesn't return oo as a solutio

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-05-03 Thread sympy
Comment #6 on issue 3699 by thilina@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 Another work around is to return oo along with the solution set if the solution is incomplete. Since solve do

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-05-14 Thread sympy
Updates: Labels: Assumptions Comment #7 on issue 3699 by asmeu...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 This is also tied to assumptions, at least in the implementation. For examp

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-05-20 Thread sympy
Comment #8 on issue 3699 by smi...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 Are we going to have a None possibility? Is it possible to know if you have all solutions or not? e.g. x*cos(3) -

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-05-21 Thread sympy
Comment #9 on issue 3699 by smi...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 Here's another issue to consider -- what if P(x) returns a polynomial and F(x) returns an expression that has no s

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-05-23 Thread sympy
Comment #10 on issue 3699 by asmeu...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 Yes, None is necessary, because we will always have algorithms that are heuristic (we don't know if they get al

Re: Issue 3699 in sympy: solve() should be able to tell you when it knows it's found all the solutions

2013-06-10 Thread sympy
Comment #11 on issue 3699 by smi...@gmail.com: solve() should be able to tell you when it knows it's found all the solutions http://code.google.com/p/sympy/issues/detail?id=3699 One way something can be learned about the function is to check its series: eq=(sinh(x)*sinh (sinh (x))+cosh (x)*