Cofi cost function

Merouane Atig · Merouane Atig · commit db10914de3d9 · 2011-12-11T22:18:53.000+01:00
diff --git a/mlclass-ex8/cofiCostFunc.m b/mlclass-ex8/cofiCostFunc.m
@@ -40,20 +40,7 @@
 %                     partial derivatives w.r.t. to each element of Theta
 %
 
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+J = 1 / 2 * sum(sum(R .* (X * Theta' - Y) .^ 2));
 
 % =============================================================
 
