Fortunately this issue does not descend from the larger issue and can be solved independently. See https://github.com/sympy/sympy/pull/2402
On Thu, Aug 22, 2013 at 8:57 AM, Matthew Rocklin <[email protected]> wrote: > http://code.google.com/p/sympy/issues/detail?id=3814 > https://github.com/sympy/sympy/pull/2093 > https://github.com/sympy/sympy/pull/2095 > https://github.com/sympy/sympy/pull/2105 > > > On Thu, Aug 22, 2013 at 8:55 AM, Matthew Rocklin <[email protected]>wrote: > >> We had a slight regression with elements of MatrixSymbols. A >> substantially beneficial code refactoring left us with an expression object >> that sometimes fails. We discussed solutions for this in a few PRs (listed >> below) but failed to resolve this issue before the 0.7.3 release (I was in >> crunch mode with other projects at the time.) I'll take a look at this >> issue later this afternoon. >> >> >> On Thu, Aug 22, 2013 at 8:10 AM, dibus2 <[email protected]> wrote: >> >>> Hi all, >>> >>> I am trying to figure out why I cannot do the following anymore with >>> sympy 0.7.3 while I could with sympy 0.7.2 : >>> >>> >>> A = MAtrixSymbol('A','d',1) >>> xpr = A[3,0] * A[0,0] * 6 >>> xpr.diff(A[0,0]) >>> >>> returns 6*A30 in sympy 0.7.2 but returns can't differentiate with >>> respect to A[0,0] >>> >>> How can I do the same thing with sympy 0.7.3 ? >>> >>> Thanks, >>> >>> Cheers, >>> >>> F. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "sympy" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/sympy. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
