diff --git a/samples/Matlab/normalize.m b/samples/Matlab/normalize.m
new file mode 100644
index 00000000..f4f33493
--- /dev/null
+++ b/samples/Matlab/normalize.m
@@ -0,0 +1,6 @@
+function [ d, d_mean, d_std ] = normalize( d )
+    d_mean = mean(d);
+    d = d - repmat(d_mean, size(d,1), 1);
+    d_std = std(d);
+    d = d./ repmat(d_std, size(d,1), 1);
+end