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.
