Status: Valid
Owner:
Labels: Type-Defect Priority-Medium
New issue 3226 by smi...@gmail.com: high-order derivatives should be
cse-simplified
http://code.google.com/p/sympy/issues/detail?id=3226
In http://groups.google.com/group/sympy/t/9e7c4a7faa3e65b1 there was a
discussion about the
Status: Valid
Owner:
CC: matt...@gmail.com
Labels: Type-Defect Priority-Medium
New issue 3227 by ness...@gmail.com: PolynomialRing should not derive from
CharacteristicZero
http://code.google.com/p/sympy/issues/detail?id=3227
In the normal usage of the word, polynomial rings have charact
Comment #5 on issue 3206 by sachin.i...@gmail.com: Abs should denest
http://code.google.com/p/sympy/issues/detail?id=3206
https://github.com/sympy/sympy/pull/1236
--
You received this message because you are subscribed to the Google Groups
"sympy-issues" group.
To post to this group, send emai
Status: Valid
Owner:
Labels: Type-Defect Priority-Medium Simplify
New issue 3228 by asmeu...@gmail.com: powsimp(deep=True) should not use
expand
http://code.google.com/p/sympy/issues/detail?id=3228
In [583]: print e
sinh(mu*(-a + x))*sinh(mu*(b - y))/sinh(mu*(-a + b))
In [584]: (e - sin
Comment #1 on issue 3228 by asmeu...@gmail.com: powsimp(deep=True) should
not use expand
http://code.google.com/p/sympy/issues/detail?id=3228
The pretty printed form of [586] got messed up. This is what it should be:
In [589]: print (e - sinh(mu*(x -
y))).rewrite(exp).cancel().powsimp(dee
Updates:
Status: Valid
Comment #6 on issue 1784 by asmeu...@gmail.com: ((x - 2)**2).match((x -
a)**2) fails
http://code.google.com/p/sympy/issues/detail?id=1784
The issue hasn't been fixed. It just changed which one works:
In [593]: r2 = (2 - x)**2
In [595]: print r2.match((x - a)*
Updates:
Labels: EasyToFix
Comment #7 on issue 1784 by smi...@gmail.com: ((x - 2)**2).match((x -
a)**2) fails
http://code.google.com/p/sympy/issues/detail?id=1784
Using signsimp on expr and pattern would fix this, I believe:
signsimp((2-x)**2)
(x - 2)**2
a=Wild('a')
signsimp((x-a)
Comment #3 on issue 2881 by elliso...@gmail.com: Refactory secondquant to
use new quantum modules
http://code.google.com/p/sympy/issues/detail?id=2881
Sean, this is great! I have been meaning to get back to this but hadn't
had a chance.
In terms of the fermi level issues, here is my thin
