Re: [math] NonLinearConjugateGradientOptimizer line search

2014-02-27 Thread Gilles
On Wed, 26 Feb 2014 21:18:01 -0500, Bruce A Johnson wrote: On Feb 26, 2014, at 6:23 PM, Bruce A Johnson johns...@umbc.edu wrote: The NonLinearConjugateGradientOptimizer does a line search for a zero in the gradient (see comment from source below), rather than a search for a minimum of the

[math] NonLinearConjugateGradientOptimizer line search

2014-02-26 Thread Bruce A Johnson
The NonLinearConjugateGradientOptimizer does a line search for a zero in the gradient (see comment from source below), rather than a search for a minimum of the function (the latter is what is used in Numerical Recipes and in the simple discussion on Wikipedia (

Re: [math] NonLinearConjugateGradientOptimizer line search

2014-02-26 Thread Bruce A Johnson
On Feb 26, 2014, at 6:23 PM, Bruce A Johnson johns...@umbc.edu wrote: The NonLinearConjugateGradientOptimizer does a line search for a zero in the gradient (see comment from source below), rather than a search for a minimum of the function (the latter is what is used in Numerical Recipes and