Collaborative Filtering Cost

10 years ago · fc28204594
parent 87457bb7b4
commit fc28204594
1 changed files with 6 additions and 18 deletions
--- a/ex8/cofiCostFunc.m
+++ b/ex8/cofiCostFunc.m
@ -40,19 +40,7 @@ Theta_grad = zeros(size(Theta));
 %                     partial derivatives w.r.t. to each element of Theta
 %

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+J = 0.5 * sum(sum(R.*(X*Theta'-Y).^2));


 % =============================================================