Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-04 Thread sympy
Status: New Owner: Labels: Type-Defect Priority-Medium Integration New issue 3732 by gra...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 Currently, from sympy import * from sympy.abc import x q = Piecewi

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-04 Thread sympy
Updates: Status: NeedsDecision Comment #1 on issue 3732 by asmeu...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 This requires some thought. What is the reason that you would prefer it to be this way? I

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-04 Thread sympy
Comment #3 on issue 3732 by gra...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 https://github.com/sympy/sympy/pull/1971 -- You received this message because this project is configured to send all issue noti

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-04 Thread sympy
Comment #2 on issue 3732 by asmeu...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 https://github.com/sympy/sympy/pull/1971 -- You received this message because this project is configured to send all issue notifi

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-04 Thread sympy
Comment #4 on issue 3732 by gra...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 I agree with you on that case, but I guess the mathematical motivation for the fact that integration of any function(provided it

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-04 Thread sympy
Comment #5 on issue 3732 by gra...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 Also, let's say I have a piecewise function p and we expect to get the value of its integral at x = 4, then we should expect q =

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-04 Thread sympy
Comment #6 on issue 3732 by asmeu...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 There is no such thing as the "value of an integral" at a point. It's only defined up to a step function. So the question is how t

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-04 Thread sympy
Comment #7 on issue 3732 by gra...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 Sorry for not using the exact mathematical language. I meant value of the function q which is the anti-derivative of p at x = c.

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-06 Thread sympy
Comment #8 on issue 3732 by gra...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 Aaron, as suspected by me, the current implementation of _eval_integral for Piecewise returns incorrect results for Integral tra

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-06 Thread sympy
Updates: Cc: ness...@googlemail.com Comment #9 on issue 3732 by asmeu...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 (No comment was entered for this change.) -- You received this message because this pro

Re: Issue 3732 in sympy: Integration of Piecewise function should also be continuous

2013-04-08 Thread sympy
Comment #10 on issue 3732 by gra...@gmail.com: Integration of Piecewise function should also be continuous http://code.google.com/p/sympy/issues/detail?id=3732 Ok, So I was wrong. All integral transforms for Piecewise should work correctly in sympy because they finally reduce to a Defin