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Print out the cost function J

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neingeist 2014-10-02 22:08:08 +02:00
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ex1/gradientDescent.m
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@ -18,6 +18,8 @@ for iter = 1:num_iters
%
theta = theta - (alpha/m) * X' * (X*theta - y);
J = computeCost(X, y, theta)
% ============================================================
% Save the cost J in every iteration