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Collaborative Filtering Cost

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neingeist 2014-11-27 23:31:49 +01:00
parent 87457bb7b4
commit fc28204594
1 changed files with 6 additions and 18 deletions
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ex8/cofiCostFunc.m
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@ -40,19 +40,7 @@ Theta_grad = zeros(size(Theta));
% partial derivatives w.r.t. to each element of Theta
%
J = 0.5 * sum(sum(R.*(X*Theta'-Y).^2));
% =============================================================