On Thu, 17 Sep 2009 06:22:35 -0700 (PDT) kcrisman <[email protected]> wrote:
> On Sep 17, 5:14 am, Francois Maltey <[email protected]> wrote: > > kcrisman wrote :> On Sep 16, 4:04 pm, Francois Maltey > > <[email protected]> wrote: > > > > >> I play with sage, exp, sin, cos, sinh, and co... > > > > >> var("a,b,c") > > >> exp(a)^2 # returns exp(2a) is right > > >> exp(a)^(1/2) # returns exp (a/2) is wrong, with a=2*i*pi we get > > >> -1=1 exp(a)^b # returns exp(a*b) is wrong <snip> > It appears that either 1) the Pynac simplification has a bug or 2) > there is a very good reason for this behavior. I would encourage you This is a bug in pynac. I wrote the power method for exp during the rush for the symbolics switch. Here is a ticket for this issue: http://trac.sagemath.org/sage_trac/ticket/6948 It will be fixed in the next Sage release. Thanks a lot for reporting this. Cheers, Burcin --~--~---------~--~----~------------~-------~--~----~ 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/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
