--- a
+++ b/Semantic Features/NotUsed/bestOfArray.m
@@ -0,0 +1,14 @@
+function [ bestOfArray ] = bestOfArray( array, num )
+%bestOfArray Returns array of the same size with all but the top num items
+%reduced to zero
+
+
+sorted = sort(array,'descend');
+bestOfArray = zeros(size(array,1), size(array,2));
+for i = 1:num
+    keep = (array == sorted(i));
+    bestOfArray = bestOfArray + keep .* array;
+end
+
+end
+