Comment #7 on issue 886 by Vinzent.Steinberg: simplify for general
functions and derivatives fails
http://code.google.com/p/sympy/issues/detail?id=886
Another bug:
In [10]: z
Out[10]:
2
d
─────(f(x))⋅f(x)
dx dx
────────────────
2
d
──(f(x))
dx
In [11]: z.subs(f(x), 0)
Out[11]: nan
But simplification works much better now:
In [13]: simplify(z.diff(x))
Out[13]:
2
2 2 2 3
d d d d d
──(f(x)) ⋅─────(f(x)) - 2⋅─────(f(x)) ⋅f(x) + ──(f(x))⋅────────(f(x))⋅f(x)
dx dx dx dx dx dx dx dx dx
──────────────────────────────────────────────────────────────────────────
3
d
──(f(x))
dx
--
You received this message because you are listed in the owner
or CC fields of this issue, or because you starred this issue.
You may adjust your issue notification preferences at:
http://code.google.com/hosting/settings
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"sympy-issues" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to
[email protected]
For more options, visit this group at
http://groups.google.com/group/sympy-issues?hl=en
-~----------~----~----~----~------~----~------~--~---
