Estimate Gaussian

11 years ago · 4bc9a2b246
parent 33e8cbac01
commit 4bc9a2b246
1 changed files with 5 additions and 12 deletions
--- a/ex8/estimateGaussian.m
+++ b/ex8/estimateGaussian.m
@ -21,16 +21,9 @@ sigma2 = zeros(n, 1);
 %               should contain variance of the i-th feature.
 %

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+mu = 1/m * sum(X)';
+sigma2 = 1/m * sum(bsxfun(@minus, X, mu').^2)';

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

-
 end