Author: James Swafford
Date: 04:06:41 10/21/01
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On October 21, 2001 at 02:37:09, Rémi Coulom wrote: >On October 21, 2001 at 00:11:23, James Swafford wrote: > >If your evaluation function is, say, f(w_1, w_2, ..., w_n), then the partial >derivative of f with respect to weight w_i is the limit of >(f(w_1, ..., w_i + epsilon, ..., wn) - f(w_1, ..., w_i, ..., w_n)) / epsilon >when epsilon goes to zero. In practice, you can estimate this value by measuring >the ratio above with a very small value of epsilon. That is starting to make sense, but I'll have to sit down and think about it later today. What is a reasonable value for epsilon? > >> >>Forgive me if I'm being horribly unclear or I've botched the >>algorithm; I'm trying to make sense of the thing. >> >>-- >>James
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