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Re: [Help-gsl] solution of 3d quadratic algebraic system
From: |
FARKAS, Illes |
Subject: |
Re: [Help-gsl] solution of 3d quadratic algebraic system |
Date: |
Mon, 29 Oct 2012 10:16:59 +0100 |
2012/10/28 Rhys Ulerich <address@hidden>
> > Can you please suggest a fast GSL method / algorithm to find the
> solutions
> > of a quadratic 3d system of algebraic equations?
> >
> > In the reduced form all 3 equations have zero on the l.h.s., and on the
> > r.h.s. there are constant, linear and quadratic terms composed of x1, x2,
> > x3 (the three variables).
>
> Newton iteration, especially if you provide analytic Jacobian, should do
> well here. There may be faster things that can return multiple solutions,
> however.
>
> - Rhys
>
Thanks, I've chosen the hybrid
algorithm<http://www.gnu.org/software/gsl/manual/html_node/Example-programs-for-Multidimensional-Root-finding.html>
.
Illes
- [Help-gsl] solution of 3d quadratic algebraic system, FARKAS, Illes, 2012/10/28
- Re: [Help-gsl] solution of 3d quadratic algebraic system, Rhys Ulerich, 2012/10/28
- Re: [Help-gsl] solution of 3d quadratic algebraic system,
FARKAS, Illes <=
- Re: [Help-gsl] solution of 3d quadratic algebraic system, FARKAS, Illes, 2012/10/30
- Re: [Help-gsl] solution of 3d quadratic algebraic system, Juan Pablo Amorocho, 2012/10/30
- Re: [Help-gsl] solution of 3d quadratic algebraic system, FARKAS, Illes, 2012/10/30
- Re: [Help-gsl] solution of 3d quadratic algebraic system, FARKAS, Illes, 2012/10/30
- Re: [Help-gsl] solution of 3d quadratic algebraic system, David Rideout, 2012/10/30
- Re: [Help-gsl] solution of 3d quadratic algebraic system, Sam Mason, 2012/10/30
- Re: [Help-gsl] solution of 3d quadratic algebraic system, Rhys Ulerich, 2012/10/30
- Re: [Help-gsl] solution of 3d quadratic algebraic system, FARKAS, Illes, 2012/10/31
- Re: [Help-gsl] solution of 3d quadratic algebraic system, Sam Mason, 2012/10/31