gauss chebychew quadrature in integration package

[Ben Abbott]

On Jun 22, 2008, at 2:54 PM, Thomas Plehn wrote:

> http://img28.picoodle.com/img/img28/4/6/22/f_quadraturem_a5f90c3.png
>
> hello,
> I have tried to integrate a simple function in octave using the  
> integration
> package.
> the function is f(x,y)=x^2*sin(y)
> the integration limits for both x and y are from 0 to 1.
> the result should be (1-cos(1))/3 = 0,15323
> this result is yielded by quadndg, gquadnd
> but cquadnd yield a different result
>
> should this be considered as a bug?

Can you post a bit more information. Perhaps a short script  
illustrating specifically what you did?

Ben