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dmichael/gist:1362267

Created November 13, 2011 16:11
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Neural Network Regularized Cost Function
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gistfile1.matlab
regularization = lambda/(2*m) * ( ...
sum(sum((Theta1(:,2:end)).^2)) + ...
sum(sum((Theta2(:,2:end)).^2)) ...
);
J = (1/m) * sum( ...
sum((-y .* log(h))-((1-y) .* log(1-h))) ...
);
J = J + regularization;
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