Status: Valid
Owner:
Labels: Type-Defect Priority-Medium
New issue 3694 by mrock...@gmail.com: Better Simplification of Gammas
http://code.google.com/p/sympy/issues/detail?id=3694
Expressions with Gamma functions are often not simplified as much as they
should be.
Here is an example fro
Updates:
Labels: Simplify
Comment #1 on issue 3694 by asmeu...@gmail.com: Better Simplification of
Gammas
http://code.google.com/p/sympy/issues/detail?id=3694
combsimp(a.expand()) works. So combsimp() just needs to be a little
smarter about distributing.
--
You received this mess
Updates:
Cc: mrock...@gmail.com
Labels: NeedsReview smichr
Comment #2 on issue 3694 by smi...@gmail.com: Better Simplification of
Gammas
http://code.google.com/p/sympy/issues/detail?id=3694
When you have a hammer in your hand, everything looks like a nail (that can
be fixed
Comment #3 on issue 3694 by mrock...@gmail.com: Better Simplification of
Gammas
http://code.google.com/p/sympy/issues/detail?id=3694
Nice.
--
You received this message because this project is configured to send all
issue notifications to this address.
You may adjust your notification pref
Comment #4 on issue 3694 by smi...@gmail.com: Better Simplification of
Gammas
http://code.google.com/p/sympy/issues/detail?id=3694
Not as nice as I'd hoped...this is similar to the TR* routines of
Fu...making sure the expression is in the form that will lead to
simplification is tricky.
Comment #5 on issue 3694 by smi...@gmail.com: Better Simplification of
Gammas
http://code.google.com/p/sympy/issues/detail?id=3694
OK, nice again:
e = (-gamma(k)*gamma(k + 2) + gamma(k + 1)**2)/gamma(k)**2
assert combsimp(e) == k**2
assert combsimp(1/e) == 1/k**2
e = (gamma(x
Updates:
Status: Fixed
Comment #6 on issue 3694 by smi...@gmail.com: Better Simplification of
Gammas
http://code.google.com/p/sympy/issues/detail?id=3694
Although I named my commit with 3693 it should have been 3694 -- gammas now
simplify better.
--
You received this message becau
Comment #7 on issue 3694 by mrock...@gmail.com: Better Simplification of
Gammas
http://code.google.com/p/sympy/issues/detail?id=3694
Great!
--
You received this message because this project is configured to send all
issue notifications to this address.
You may adjust your notification pre
