On Thu, Mar 20, 2014 at 1:55 AM, Ondřej Čertík <[email protected]> wrote: > On Wed, Mar 19, 2014 at 5:42 PM, Aaron Meurer <[email protected]> wrote: >> I think evaluation is pretty straightforward. You just evaluate one >> (like sin), and then the rest are easily defined in terms of it. I >> like your approach. >> >> But what about the other things, like the series expansion or meijerg >> table entries? And probably the biggest are the simplification rules > > I think the series expansion can be unified too, it looks quite similar. > >> (e.g., for the Fu algorithm). And can we somehow get basically all of >> the hyperbolic functions automatically from >> http://mathworld.wolfram.com/OsbornesRule.html? > > These two I don't know. We should look at some other software like > Axiom, Maxima or Sage.
Or just prove whatever rule we use rigorously. Trig functions aren't that complicated, it should be possible to do so. > >> >> I wouldn't block on this, though. If you want to add a missing >> function or functionality, you can just do it the duplicating way, and >> we can figure out how to remove the duplication later. Just make sure >> the tests verify the mathematical correctness of the functions. > > Hopefully I'll have some time over the summer to do this. > > Ondrej Great. There are also some useful notes here https://github.com/sympy/sympy/wiki/About-implementing-special-functions. Aaron Meurer > > -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CADDwiVAUH-H8FmnHtdMWRsBVT7kmOM309Dea0Lpq3hGdE6fLQg%40mail.gmail.com. > For more options, visit https://groups.google.com/d/optout. -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAKgW%3D6KXCC%3DLMxHGkhZMz_toyhX%2BrpEyPNL%2BJMCg8Ov157xk4g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
