Status: Valid
Owner:
Labels: Type-Defect Priority-Medium
New issue 3928 by asmeu...@gmail.com: Disable diff_wrt on non-undefined
Functions
http://code.google.com/p/sympy/issues/detail?id=3928
We currently have
In [6]: diff(cos(x), sin(x))
Out[6]: 0
But this confuses people, especially
Comment #1 on issue 3928 by asmeu...@gmail.com: Disable diff_wrt on
non-undefined Functions
http://code.google.com/p/sympy/issues/detail?id=3928
Although it might be cool to define it on specific ones, like re(), to get
mathematical results. Or would that be too confusing against the
Updates:
Cc: elliso...@gmail.com
Comment #3 on issue 3928 by asmeu...@gmail.com: Disable diff_wrt on
non-undefined Functions
http://code.google.com/p/sympy/issues/detail?id=3928
Yeah, I know :)
IIRC, I didn't want to do it for defined functions, but I think Brian was
adamant that