On Sat, May 2, 2009 at 9:11 AM, Aaron S. Meurer <[email protected]> wrote: > > It should probably just order the variables alphabetically or by hash > value from the start. On the other hand, this is not always true (see > http://en.wikipedia.org/wiki/Symmetry_of_second_derivatives) > , namely, the function has to have continuous second partials. Is > there a way to tell SymPy to assume this?
Currently no, but it should be possible with our new assumptions system. Ondrej --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sympy?hl=en -~----------~----~----~----~------~----~------~--~---
