On 12/19/11, Barton Willis <willisb at unk.edu> wrote:
> Ugh--even on a nounform return, Maxima needs to believe the limits are real:
>
> (%i1) integrate(f(x),x,0,g(x));
> defint: upper limit of integration must be real; found g(x)
Hmm, that's really ugly, and inconsistent with the way that
Maxima generally treats problems that are not fully specified.
It would be OK to print the message and return a noun,
but at present it's an error and prevents a return value.
best
Robert Dodier