Comment #6 on issue 3226 by smi...@gmail.com: high-order derivatives should be cse-simplified
http://code.google.com/p/sympy/issues/detail?id=3226
It does some fast simplifications, as I recall. You would have to check the code to know for sure. IIRC it uses factor_terms (but I could be wrong). -- You received this message because you are subscribed to the Google Groups "sympy-issues" group. To post to this group, send email to sympy-issues@googlegroups.com. To unsubscribe from this group, send email to sympy-issues+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy-issues?hl=en.