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Re: gauss chebychew quadrature in integration package


From: Ben Abbott
Subject: Re: gauss chebychew quadrature in integration package
Date: Sun, 22 Jun 2008 15:14:19 -0400


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



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