
From:  Carsten Fortmann 
Subject:  Re: [Helpgsl] dawsons integral for imaginary arguments 
Date:  Thu, 20 Apr 2006 17:46:26 +0200 
Useragent:  Mozilla Thunderbird 1.0.7 (X11/20051013) 
Brian Gough wrote:
Carsten Fortmann writes: > I need the following expression> > exp(x*x)erfc(x) (1). > > Due to the exp(x*x) (not exp(x*x)!!!), > this expression returns a nan for large arguments. I found out, that > (1) is in principal given by dawsons integral for purely imaginary > argument. Does anyone know how to obtain this in gsl?Hello, Apart from constant factors it is 1/gsl_sf_hazard(). See http://www.networktheory.co.uk/docs/gslref/gslref_105.html
Right, I didn't see that one. Thanks a lot, it works fine.
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