Mario, thanks for this work on plotting!
On 5/12/07, Mario Rodriguez <biomates at telefonica.net> wrote:
>
> 1. gamma2(re,im):=abs(gamma(re+%i*im)) does not work, giving an error
> message; I think the origin is float:
> (%i78) float(abs(gamma(5+%i*7)));
> (%o78) cabs(.3421868495834867 - .08104666827127174 %i)
> Shouldn't the result be a real number?
>
This is a bug in the simplification of abs, which is returning
cabs(gamma...). Abs is a simplifying function, cabs is not. A simplifying
function should never be returning a non-simplifying function like this.
I'll try to look at this on Monday -- very busy weekend!
-s