Added source Matlab code for reference

matlab/parallel/sort_partition.m

@@ -0,0 +1,17 @@
+function srt_partition = sort_partition(partition)
+% SORT_PARTITION sorts a given partition (row vector) into the canonical order, where every
+% new class has the smallest possible index.
+
+% input:
+%    partition is a column vector.
+% output:
+%    srt_partition is a row vector.
+
+n_classes=max(partition);
+srt_partition=zeros(1,n_classes);
+for i=1:n_classes
+    nonz=find(partition);
+    here=find(partition==partition(nonz(1)));
+    srt_partition(here)=i;
+    partition(here)=0;
+end