Mercurial > hg > ishara
annotate general/arrutils/chunk.m @ 4:e44f49929e56
Adding reorganised general toolbox, now in several subdirectories.
| author | samer |
|---|---|
| date | Sat, 12 Jan 2013 19:21:22 +0000 |
| parents | |
| children | 03694e5c8365 |
| rev | line source |
|---|---|
| samer@4 | 1 function B=chunk(A,n,step) |
| samer@4 | 2 % CHUNK: return chunk from inside matrix |
| samer@4 | 3 % B=chunk(A,n,hop): returns nth block of rows of size hop from A |
| samer@4 | 4 % A: source matrix |
| samer@4 | 5 % n: index of chunk |
| samer@4 | 6 % hop: size of chunk |
| samer@4 | 7 |
| samer@4 | 8 i=n*step+1; |
| samer@4 | 9 B=A(i:i+step-1,:); |
| samer@4 | 10 |
| samer@4 | 11 |