On 08/2007, Robert Dodier wrote:
> On 5/7/07, Valery Pipin <pip at iszf.irk.ru> wrote:
> > The value ((MLIST SIMP) 0.0) is not of type DOUBLE-FLOAT.
> >
> > (%i378) F(%pi/4,%pi/4);
> > Evaluation took 0.01 seconds (0.01 elapsed) using 335.930 KB.
> > (%o378) [- .1694397727137777]
>
> Oh -- looks like you need to return a number instead of
> this 1-element list. Maybe G(x,y) := F(x,y)[1] is enough,
> then you can plot G.
this works fine!
thanks,
V