Issue 1047 in sympy: Suggested new assumption system

Issue 1047: Suggested new assumption system http://code.google.com/p/sympy/issues/detail?id=1047 This issue is no longer blocking issue 353. See http://code.google.com/p/sympy/issues/detail?id=353 -- You received this message because you are listed in the owner or CC fields of this issue, or

Issue 353 in sympy: piecewise functions

Comment #28 on issue 353 by jorn.baayen: piecewise functions http://code.google.com/p/sympy/issues/detail?id=353 Just curious whether there has been any progress on this? Already the piecewise_fold() function in Andy's branch makes piecewise functions a lot more useful. -- You received this

Issue 1646 in sympy: Solving inequalities

Comment #1 on issue 1646 by asmeurer: Solving inequalities http://code.google.com/p/sympy/issues/detail?id=1646 We will be glad to help you. Just ask on the list or on IRC. Were you thinking of using the Interval class? I think we first will need to expand the it first to work with open

Issue 1647 in sympy: leading_monom is incorrect

Updates: Summary: leading_monom is incorrect Comment #1 on issue 1647 by smichr: leading_monom is incorrect http://code.google.com/p/sympy/issues/detail?id=1647 It appears that the problem comes when the new polynomial is made by adding: p: Poly(y**4 + 11*y**2 - 6*y, y, x,

Issue 1647 in sympy: leading_monom is incorrect

Updates: Status: Accepted Labels: Polynomial Blockedon: 1598 Comment #3 on issue 1647 by asmeurer: leading_monom is incorrect http://code.google.com/p/sympy/issues/detail?id=1647 The new Polys module (Issue 1598) doesn't seem to have .leading_monom anymore, but I am

Issue 1644 in sympy: Coeff() with derivatives and functions

Comment #1 on issue 1644 by smichr: Coeff() with derivatives and functions http://code.google.com/p/sympy/issues/detail?id=1644 patch with explanation is attached. NB: routines that depend on the faulty behavior of coeff need to be re-written. Right now only ode.py is failing. Attachments:

Issue 1644 in sympy: Coeff() with derivatives and functions

Updates: Cc: ondrej.certik Labels: NeedsReview Comment #2 on issue 1644 by smichr: Coeff() with derivatives and functions http://code.google.com/p/sympy/issues/detail?id=1644 (No comment was entered for this change.) -- You received this message because you are listed in the

Issue 1644 in sympy: Coeff() with derivatives and functions

Updates: Labels: -NeedsReview NeedsBetterPatch EasyToFix Comment #4 on issue 1644 by asmeurer: Coeff() with derivatives and functions http://code.google.com/p/sympy/issues/detail?id=1644 Yes, that is my code in ode.py. It is caused by the code around line 2025, which is an algorithm

Issue 1644 in sympy: Coeff() with derivatives and functions

Comment #5 on issue 1644 by smichr: Coeff() with derivatives and functions http://code.google.com/p/sympy/issues/detail?id=1644 patch with tests Attachments: 0001-coeff-should-be-exact-match.patch 2.3 KB -- You received this message because you are listed in the owner or CC fields of