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Compute the sigmoid gradient

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neingeist 2014-11-01 21:18:32 +01:00
parent 395c5676dc
commit 863f1d7157
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ex4/sigmoidGradient.m
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@ -12,22 +12,8 @@ g = zeros(size(z));
% Instructions: Compute the gradient of the sigmoid function evaluated at
% each value of z (z can be a matrix, vector or scalar).
g = sigmoid(z).*(1 - sigmoid(z));
% =============================================================
end