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Optimisations for backprop
author Jordi Gutiérrez Hermoso <jordigh@octave.org>
date Fri, 11 Nov 2011 20:36:02 -0500
parents 395fc40248c3
children
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function g = sigmoid(z)
%SIGMOID Compute sigmoid functoon
%   J = SIGMOID(z) computes the sigmoid of z.

g = 1.0 ./ (1.0 + exp(-z));
end