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[Help-gsl] gsl_multimin_fdfminimizer quits too early!


From: David Doria
Subject: [Help-gsl] gsl_multimin_fdfminimizer quits too early!
Date: Mon, 1 Sep 2008 12:14:18 -0400

When I try to minimize a function of 2 variables, it seems to quit after
only a couple of iterations even though the gradient in one direction is
still huge

gsl_multimin_fdfminimizer_gradient(s) says the gradient is: 149.996,
-0.00258272

I am using
    const gsl_multimin_fdfminimizer_type *T;
    gsl_multimin_fdfminimizer *s;
T = gsl_multimin_fdfminimizer_conjugate_fr;
s = gsl_multimin_fdfminimizer_alloc(T, 2);
gsl_multimin_fdfminimizer_set(s, &F, x, .1, .1);

Does any one have any idea why it would quit so early?

-- 
Thanks,

David


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