On Thursday 21 August 2008 01:58:23 pm Mike Witt wrote: > I'm looking for a work-around for the situation where I would normally > call parametric_plot (or plot, for that matter) with a function, and in > some particular case that function turns out to evaluate to a constant. > > For example: > > sage: def f(a,b): return e^(a+b*I) > ....: > sage: parametric_plot([real(f(x,1)),imag(f(x,1))], -pi, pi) > > Works as expected > > sage: parametric_plot([real(f(x,-1)),imag(f(x,-1))], -pi, pi) > > Works as expected > > sage: parametric_plot([real(f(x,0)),imag(f(x,0))], -pi, pi) > > Gives a page full of errors, which I interpret to mean that there > was a problem plotting because imag(f(x,0)) evaluates to a constant. > > I believe that this is the same issue described in: > > http://trac.sagemath.org/sage_trac/ticket/2410
I'm the person that entered the trac ticket and the point of that trac ticket is precisely the (mis-)functionality you are describing. I'm truly mystified by the other responses in this thread. To me, this is an obvious bug... -- Joel --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
