>> So that's not how I would like this to be. It should either work for >> all functions or for no functions. > > I see. I do not use numpy matrices anyway, just arrays, as they are not > really the linear algebra matrices, only arrays with some peculiar > modifications - they have no extra value that arrays have not. SymPy > Matrix could differ in this respect, as otherwise the Matrix is just a > misnomed Array. But my voting power is zero here :)
We listen to our users and actually we'd like our users to also become developers. :) > >>> Matrix in SymPy is a linear algebra matrix, it should IMHO behave as >>> such, i.e. sin(A) = Q*sin(D)*Q^T. Then maybe an Array would be usefull, >>> something like sympy version of list of lists [of lists...]. >> >> Yes, I think so too. Plus we could create some pure python arrray >> implementation, fully compatible with numpy. > > But internally, SymPy should stick to one, otherwise checking all the > argument combinations would be a nightmare, no? I don't think it will be particularly difficult, especially with a good test suite. It's just a matter of what we want. Ondrej --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com 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 -~----------~----~----~----~------~----~------~--~---
