expand returns incorrect results for non-commutative symbols
Bug #776559 reported by
Peter Würtz
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| sympy (Debian) |
Fix Released
|
Unknown
|
|||
| sympy (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bug Description
Binary package hint: python-sympy
Here is a minimal example that demonstrates a bug in expand():
http://
The result of (a-b)**3 is incorrect. This bug is not present in the current version in git.
Apart from fixing this bug I'm wondering how and when to pack new versions of sympy for ubuntu as new bugfixes are only applied to the development version. The last official release is over one year old.
| Changed in sympy (Debian): | |
| status: | Unknown → Confirmed |
| Changed in sympy (Debian): | |
| status: | Confirmed → Fix Released |
Revision history for this message
| Julian Taylor (jtaylor) wrote | #1 |
| Changed in sympy (Ubuntu): | |
| status: | New → Fix Released |
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a fix was released with version 0.7.1.rc1 in ubuntu precise.
If you wish a fix in stable or a backport please follow the procedure outlined here:
https:/