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Re: [Help-gsl] a bit off topic: replacement for Num. Rec. routines

From: walter harms
Subject: Re: [Help-gsl] a bit off topic: replacement for Num. Rec. routines
Date: Fri, 05 Sep 2008 16:06:21 +0200
User-agent: Thunderbird (X11/20071114)

Hi Andrew,
i am not the right person but i would be clever for GSL to add a sections
"How to replace NRiC Code". Just some glue to create a drop-in replacement.

Just a place to store that code, i am sure that will help people and help them
to release more code as GPL.


Andrew W. Steiner schrieb:
Walter, and all,

     This is indeed a common problem. The GSL fitting functions should be very
capable in replacing the NR fitting code. It may not be "drop-in", because the
interfaces are different, but it should be relatively quick to adapt
one for the
other. Although I don't know about "matrix deconvolution" per se, I'm pretty
sure that NR matrix manipulations are not particularly magical either.

- Andrew Steiner (c.f. O2scl at

On Fri, Sep 5, 2008 at 7:03 AM, walter harms <address@hidden> wrote:
Hello list,
we plan to release our program to analyze gamma spectra as GPL.
there are two Numerical Recipies codes that are marquardt fitting and
matrix deconvolution. (Problem: see here
Before we start to replace these functions i would like to know: Are there
any drop-in replacements ?

I am asking here because i can imagine that this is a bit common problem.


 i am not the principal author but if you need more details i can give you

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