Implement PCA

10 years ago · 2b98bd80f0
parent 5f3f65c69c
commit 2b98bd80f0
1 changed files with 29 additions and 31 deletions
--- a/ex7/pca.m
+++ b/ex7/pca.m
@ -20,11 +20,9 @@ S = zeros(n);
 %       number of examples).
 %

+Sigma = 1/m * X'*X;  % covariance matrix

-
-
-
-
+[U, S, V] = svd(Sigma);

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