diff --git a/src/foo.m b/src/foo.m
index 6e02a702073d3b70e0293054ebc3be640e0c4d4a..c0b33051c3a027ff503399f0c018b03c06659f81 100644
--- a/src/foo.m
+++ b/src/foo.m
@@ -3,10 +3,9 @@
 clear all
 close all
 
-x = (-200:2:300);
-y = (-200:2:300)';
-X = repmat(x, length(x), 1);
-Y = repmat(y, 1, length(y));
+x = -200:2:300;
+y = -200:2:300;
+[X, Y] = meshgrid(x,y);
 
 for i=1:length(x)
   for j=1:length(y)