[Maxima] Double integrals

[Raymond Toy]

Rupert Swarbrick wrote:
> 
> Does nothing helpful, but if you type
> 
> 'integrate( (A-r)*w^(R-1), w, 1, W);
> 
> and then evaluate with
> 
> %, nouns
> 
> you get the expected integral.
> 
> Is this behaviour expected? Is there a way around it? Here's the

I believe this is the expected behavior.  For definite integrals, maxima 
does not use convert the integral of a sum to a sum of integrals.  In 
general, it's wrong.  In this particular case it's ok, but maxima 
doesn't know that.

Ray