Issue 2971 in sympy: MathML Parser

Status: Accepted Owner: Labels: Type-Enhancement Priority-Medium Parsing New issue 2971 by asmeu...@gmail.com: MathML Parser http://code.google.com/p/sympy/issues/detail?id=2971 We should have a function that converts a mathml expression into a SymPy object. -- You received this

Re: Issue 2969 in sympy: sqrt(sin(x)).series(x, 0, 7) is wrong

Comment #2 on issue 2969 by mario.pe...@gmail.com: sqrt(sin(x)).series(x, 0, 7) is wrong http://code.google.com/p/sympy/issues/detail?id=2969 p + O(x**7) means that p is equivalent to the sum of its monomials of order less than x**7, so that ```

Re: Issue 2968 in sympy: partial fraction decomposition should be able to return structured result

Updates: Status: Accepted Labels: EasyToFix Comment #1 on issue 2968 by asmeu...@gmail.com: partial fraction decomposition should be able to return structured result http://code.google.com/p/sympy/issues/detail?id=2968 This would not be difficult, as the information is all

Re: Issue 2971 in sympy: MathML Parser

Comment #1 on issue 2971 by j...@durchholz.org: MathML Parser http://code.google.com/p/sympy/issues/detail?id=2971 The spec is at http://www.w3.org/TR/MathML3/ . -- You received this message because you are subscribed to the Google Groups sympy-issues group. To post to this group, send email

Re: Issue 2960 in sympy: It right 0 x 1 ?

Comment #2 on issue 2960 by hunt...@gmail.com: It right 0 x 1 ? http://code.google.com/p/sympy/issues/detail?id=2960 Hrm, I don't know if it'd helpful or wanted, and it ain't pretty (mostly because it uses a global variable[1]), but attached is one possible method to acquire a chained

Re: Issue 1887 in sympy: Separate boolean and symbolic relationals

Issue 1887: Separate boolean and symbolic relationals http://code.google.com/p/sympy/issues/detail?id=1887 This issue is now blocking issue 2960. See http://code.google.com/p/sympy/issues/detail?id=2960 -- You received this message because you are listed in the owner or CC fields of this issue,

Re: Issue 2960 in sympy: It right 0 x 1 ?

Updates: Blockedon: 1887 Comment #3 on issue 2960 by asmeu...@gmail.com: It right 0 x 1 ? http://code.google.com/p/sympy/issues/detail?id=2960 I was thinking that something like this might be possible. Some potential issues I see so far: - It does require some kind of global

Re: Issue 2960 in sympy: It right 0 x 1 ?

Comment #4 on issue 2960 by hunt...@gmail.com: It right 0 x 1 ? http://code.google.com/p/sympy/issues/detail?id=2960 Hmm. In regards to the second bullet point, I have again some 2-minutes-of-thoughts options. (Apologies, I am focused elsewhere so I can't do any deep thinking on this

Re: Issue 2960 in sympy: It right 0 x 1 ?

Comment #5 on issue 2960 by asmeu...@gmail.com: It right 0 x 1 ? http://code.google.com/p/sympy/issues/detail?id=2960 * Through the use of a second global (well, it needn't be a global, but it must be some storage that is accessible and external to, in this case, LT and test), I would

Re: Issue 2587 in sympy: Strange printing at SymPy Live

Comment #15 on issue 2587 by anxuiz...@gmail.com: Strange printing at SymPy Live http://code.google.com/p/sympy/issues/detail?id=2587 After further investigation it appears that the assumptions for the two exponents in x**2+x**-2 are pointing to the same object after pickling. In [1]:

Re: Issue 2587 in sympy: Strange printing at SymPy Live

Comment #16 on issue 2587 by anxuiz...@gmail.com: Strange printing at SymPy Live http://code.google.com/p/sympy/issues/detail?id=2587 According to the pickle documentation [0], equivalent objects are combined and stored by reference instead of by value. This presents a problem in our

Re: Issue 2587 in sympy: Strange printing at SymPy Live

Comment #17 on issue 2587 by anxuiz...@gmail.com: Strange printing at SymPy Live http://code.google.com/p/sympy/issues/detail?id=2587 Looks like Pickler has a field fast for disabling the optimization. I wrote a fast_dumps function and it appears to work: In [1]: from pickle import

Issue 2972 in sympy: Autoevaluation of functions for floats and complex floats

Status: Accepted Owner: Labels: Type-Defect Priority-Low New issue 2972 by someb...@bluewin.ch: Autoevaluation of functions for floats and complex floats http://code.google.com/p/sympy/issues/detail?id=2972 Consider the following list of numbers: In [2]: vals = [2, 2.0, 2j, 2.0j, 2+2j,

Issue 2973 in sympy: raise an error on impossible spin states in physics.quantum

Status: Accepted Owner: Labels: Type-Defect Priority-Medium Physics Quantum New issue 2973 by krastano...@gmail.com: raise an error on impossible spin states in physics.quantum http://code.google.com/p/sympy/issues/detail?id=2973 JzKet(one/2,0) returns and is happily used by all the CG

Re: Issue 2973 in sympy: raise an error on impossible spin states in physics.quantum

Updates: Labels: EasyToFix Comment #1 on issue 2973 by krastano...@gmail.com: raise an error on impossible spin states in physics.quantum http://code.google.com/p/sympy/issues/detail?id=2973 (No comment was entered for this change.) -- You received this message because you are

Re: Issue 2973 in sympy: raise an error on impossible spin states in physics.quantum

Comment #2 on issue 2973 by krastano...@gmail.com: raise an error on impossible spin states in physics.quantum http://code.google.com/p/sympy/issues/detail?id=2973 Spin states are supposed to have m (the second argument) in the set [-j, -j+1, .. j] (j is the first argument) -- You

Re: Issue 2759 in sympy: Implement the forumlas from the matrix cookbook

Updates: Labels: -NeedsReview Comment #4 on issue 2759 by asmeu...@gmail.com: Implement the forumlas from the matrix cookbook http://code.google.com/p/sympy/issues/detail?id=2759 That was merged. -- You received this message because you are subscribed to the Google Groups