Mercurial > hg > ishara

diff general/arrutils/chunk.m @ 4:e44f49929e56

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Adding reorganised general toolbox, now in several subdirectories.
author samer
date Sat, 12 Jan 2013 19:21:22 +0000
parents
children 03694e5c8365
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/general/arrutils/chunk.m	Sat Jan 12 19:21:22 2013 +0000
@@ -0,0 +1,11 @@
+function B=chunk(A,n,step)
+% CHUNK: return chunk from inside matrix
+% B=chunk(A,n,hop): returns nth block of rows of size hop from A
+% A:  source matrix
+% n:  index of chunk
+% hop: size of chunk
+
+i=n*step+1;
+B=A(i:i+step-1,:);
+
+