Issue 1495 in sympy: minus problem

Updates: Owner: smichr Cc: ondrej.certik Comment #9 on issue 1495 by smichr: minus problem http://code.google.com/p/sympy/issues/detail?id=1495 The patch attached here updates _extract_minus and includes tests. /c Attachments: 0001-Issue-1495-fixed-could_extract_minus-a

Issue 1558 in sympy: NumberSymbol not recognized as a filter for atoms() and I has only type Atom

Updates: Cc: ondrej.certik Comment #4 on issue 1558 by smichr: NumberSymbol not recognized as a filter for atoms() and I has only type Atom http://code.google.com/p/sympy/issues/detail?id=1558 The patch below is the same as the one above except that it has an amended comment. Hopeful

Issue 1560 in sympy: -2**-2 gives -1/4; should give 1/4

Comment #7 on issue 1560 by smichr: -2**-2 gives -1/4; should give 1/4 http://code.google.com/p/sympy/issues/detail?id=1560 I see why the previous patch(es) didn't work. I had to revert back to the old runtests--the new one is not working under xp for me--and those changes got included with

Issue 1582 in sympy: solve() does not properly back substitute dummy function variables in limits of Integral

Comment #4 on issue 1582 by asmeurer: solve() does not properly back substitute dummy function variables in limits of Integral http://code.google.com/p/sympy/issues/detail?id=1582 Yes, please push this in. I have been working on top of it for my odes branch, so it will at least need to go i

Issue 1582 in sympy: solve() does not properly back substitute dummy function variables in limits of Integral

Updates: Cc: -hazelnusse ondrej.certik Comment #3 on issue 1582 by smichr: solve() does not properly back substitute dummy function variables in limits of Integral http://code.google.com/p/sympy/issues/detail?id=1582 this patch applies without problem to the latest repo. -- You receiv