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Re: Trouble with fsolve

From: John W. Eaton
Subject: Re: Trouble with fsolve
Date: Wed, 19 Oct 2005 10:27:49 -0400

On 19-Oct-2005, David Bateman wrote:

| If you want a completely matlab compatiable 
| fsolve that calculates the function and the jacobian in a single 
| function, without the mess of caching the results, then you have to 
| rewrite the underlying fortran code to accept this...

What is wrong with caching the results, provided that you know that
the function and jacobian subroutines will always be called in pairs,
in the same order (I'm not certain that the minpack routines do this,
but I think they might and it seems it would be worth checking)?


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