On Saturday, January 11, 2014 10:04:03 AM UTC+1, mario wrote: > > > I think this is a bug; the Einstein summation convention is assumed, so if > the substitution > indices are (d1, -d1) it should give the contracted tensor. >
We already discussed this problem, regarding *substitute_indices( )*: https://github.com/sympy/sympy/pull/2467#issuecomment-24883932 Anyways, do you think this bug should be fixed on both *__call__( )* and *.substitute_indices( )* , or just on *__call__( )* ? -- 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 sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
