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Re: [Help-gsl] what can I improve in that function ?

From: Brian Gough
Subject: Re: [Help-gsl] what can I improve in that function ?
Date: Thu, 7 Jul 2005 15:23:01 +0100

Emmanuel Favre-Nicolin writes:
 > I have a function  int_PV (see the function at the end of the message) that 
 > uses gsl_integration_qags routine. There is an error message. I don't know 
 > what to do with it, what can I do to improve my function or to make 
 > calculation converging?

Since there are power-law singularities at the end-points [0,1] you
could transform the integral into a form suitable for the _qaws routine.

Brian Gough

Network Theory Ltd,
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