From: Tommy Nordgren <tommy.nordgren@comhem.se>
To: Z F <mail4me9999@yahoo.com>
Cc: gsl-discuss@sources.redhat.com
Subject: Re: Toeplitz solver
Date: Thu, 01 Nov 2007 21:16:00 -0000 [thread overview]
Message-ID: <52AA1BF5-4A7B-4574-A0BF-28F247BEECF0@comhem.se> (raw)
In-Reply-To: <383921.47800.qm@web56606.mail.re3.yahoo.com>
On 1 nov 2007, at 06.06, Z F wrote:
> Hello everybody,
>
> Could someone suggest a (comprehendible) reference on Toeplitz
> equations
> solver for a general Toeplitz matrix. I am interested in fast methods
> :)
>
> Numerical recepies has a mistake in the ALGORITHM, and in the code, of
> course. (The third edition has this old bug also). It addresses vector
> indecies which are out of range. (look at eq 2.8.23 and 2.824, terms
> with R_{m+1} and R_{-m-1} are out of range of the vector size)
>
> And as to myself, I can not seem to trace were the problem happens.
>
> Thanks a lot,
>
> ZF
>
Numerical Recipes adds an offset to pointers returned from
allocation routines,
so that the useful lower index can be other than zero.
-------------------------------------
This sig is dedicated to the advancement of Nuclear Power
Tommy Nordgren
tommy.nordgren@comhem.se
next prev parent reply other threads:[~2007-11-01 21:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-01 5:06 Z F
2007-11-01 21:16 ` Tommy Nordgren [this message]
2007-11-02 1:40 ` Z F
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