| 123456789101112131415161718192021 |
- % MTX = subMtx(VEC, DIMENSIONS, START_INDEX)
- %
- % Reshape a portion of VEC starting from START_INDEX (optional,
- % default=1) to the given dimensions.
- % Eero Simoncelli, 6/96.
- function mtx = subMtx(vec, sz, offset)
- if (exist('offset') ~= 1)
- offset = 1;
- end
- vec = vec(:);
- sz = sz(:);
- if (size(sz,1) ~= 2)
- error('DIMENSIONS must be a 2-vector.');
- end
- mtx = reshape( vec(offset:offset+prod(sz)-1), sz(1), sz(2) );
|
