Mercurial > hg > camir-aes2014
annotate toolboxes/FullBNT-1.0.7/KPMtools/block.m @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
|---|---|
| date | Tue, 10 Feb 2015 15:05:51 +0000 |
| parents | |
| children |
| rev | line source |
|---|---|
| wolffd@0 | 1 function sub = block(blocks, block_sizes) |
| wolffd@0 | 2 % BLOCK Return a vector of subscripts corresponding to the specified blocks. |
| wolffd@0 | 3 % sub = block(blocks, block_sizes) |
| wolffd@0 | 4 % |
| wolffd@0 | 5 % e.g., block([2 5], [2 1 2 1 2]) = [3 7 8]. |
| wolffd@0 | 6 |
| wolffd@0 | 7 blocks = blocks(:)'; |
| wolffd@0 | 8 block_sizes = block_sizes(:)'; |
| wolffd@0 | 9 skip = [0 cumsum(block_sizes)]; |
| wolffd@0 | 10 start = skip(blocks)+1; |
| wolffd@0 | 11 fin = start + block_sizes(blocks) - 1; |
| wolffd@0 | 12 sub = []; |
| wolffd@0 | 13 for j=1:length(blocks) |
| wolffd@0 | 14 sub = [sub start(j):fin(j)]; |
| wolffd@0 | 15 end |