tweak logKde

qianguih · Mar 11, 2017 · 7c97784 · 7c97784
1 parent be1bbc3
commit 7c97784
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/chapter02/logKde.m b/chapter02/logKde.m
@@ -6,5 +6,5 @@
 % Output:
 %   z: probability density in logrithm scale z=log p(x|y)
 % Written by Mo Chen ([email protected]).
-D = bsxfun(@plus,full(dot(X,X,1)),full(dot(Y,Y,1))')-full(2*(Y'*X));
+D = dot(X,X,1)+dot(Y,Y,1)'-2*(Y'*X);
 z = logsumexp(D/(-2*sigma^2),1)-0.5*log(2*pi)-log(sigma*size(Y,2),1);