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Re: [Help-gsl] Re: (A newbie asks) How to program multidimensional root

From: Olumide
Subject: Re: [Help-gsl] Re: (A newbie asks) How to program multidimensional root solver?
Date: Fri, 20 Jun 2008 00:56:32 +0100
User-agent: Thunderbird (Windows/20080421)

Thanks for replying, no I haven't. But I will. I've just downloaded
Maxima, and ASCEND and I'm taking a closer look at them. Which of
these two programs do you think is best for solving system on
non-linear equations? BTW, I don't expecting an analytic solution. My
equations don't look too friendly ... (nasty logs! :-) )

If you just want a numerical solution then try ASCEND or GAMS (or AMPL
or...). The advantage here is that you can enter the equations in a
fairly intuitive way and not have to worry about 'wiring it up' to the
solver. The Excel Solver (or even maybe the new Open Office 3.0b
Solver?) would be a good bet too. Maxima is really for getting analytic
solutions, although it might be possible to get numerical solutions as
well -- I'm not sure.

What do you think of scilab's fsolve? -- I'm assuming you're an expert-type person in this area ;-) . I'm not liking ASCEND's documentation. ('Way too much to fluff to wade though.)

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