Integrate with explicit integration variable/infetesimal...
Subject: Integrate with explicit integration variable/infetesimal...
From: Richard Fateman
Date: Wed, 22 Sep 2004 08:10:51 -0700
edA-qa mort-ora-y wrote:
> Is it possible to get Maxima to automatically integrate expressions of
> this form:
>
> f(i) := (i*di - c);
>
> That is, a function like integrate that takes three parameters:
>
> xintegrate( f(i), i, di );
>
> Obviously the above case is trivial, but in my equation I can't easily
> separate out the di term in order to pass the function to integrate (I
> have an expression in the form of a sum right now, but I want to create
> the integral instead).
>
>
if you have a complicated expression and wish to express it
as alpha*di + beta
consider ratcoef or bothcoeff or try dividing by di, and
looking at the quotient and remainder.
RJF