Mercurial > hg > ishara
annotate general/arrutils/chunk.m @ 20:ed2629b7f02b
Added beginnings of some introductory blurb.
| author | samer |
|---|---|
| date | Thu, 17 Jan 2013 13:33:36 +0000 |
| parents | 03694e5c8365 |
| children |
| rev | line source |
|---|---|
| samer@4 | 1 function B=chunk(A,n,step) |
| samer@13 | 2 % chunk - return chunk from inside matrix |
| samer@13 | 3 % |
| samer@13 | 4 % chunk :: |
| samer@13 | 5 % [[N,M]] ~'source array', |
| samer@13 | 6 % K:natural ~'index of chunk', |
| samer@13 | 7 % L:natural ~'chunk size' |
| samer@13 | 8 % -> [[L,M]] ~'K block of L rows'. |
| samer@4 | 9 |
| samer@4 | 10 i=n*step+1; |
| samer@4 | 11 B=A(i:i+step-1,:); |
| samer@4 | 12 |
| samer@4 | 13 |