On 5/2/07, Detlef Schmicker <d.schmicker at physik.de> wrote:
> Dint(f,v,a,b):=block([FF:ratsimp(integrate(f,v))],subst(b,v,FF)-subst(a,v,FF));
Not sure what is the goal here. If you want to evaluate the
definite integral, integrate(f, v, a, b) should be enough.
Maybe you have defined Dint for some other reason.
best,
Robert Dodier