Mercurial > hg > smallbox
annotate util/ksvd utils/normcols.m @ 170:68fb71aa5339 danieleb
Added dictionary decorrelation functions and test script for Letters paper.
| author | Daniele Barchiesi <daniele.barchiesi@eecs.qmul.ac.uk> |
|---|---|
| date | Thu, 06 Oct 2011 14:33:41 +0100 |
| parents | c3eca463202d |
| children |
| rev | line source |
|---|---|
| idamnjanovic@70 | 1 function y = normcols(x) |
| idamnjanovic@70 | 2 %NORMCOLS Normalize matrix columns. |
| idamnjanovic@70 | 3 % Y = NORMCOLS(X) normalizes the columns of X to unit length, returning |
| idamnjanovic@70 | 4 % the result as Y. |
| idamnjanovic@70 | 5 % |
| idamnjanovic@70 | 6 % See also ADDTOCOLS. |
| idamnjanovic@70 | 7 |
| idamnjanovic@70 | 8 |
| idamnjanovic@70 | 9 % Ron Rubinstein |
| idamnjanovic@70 | 10 % Computer Science Department |
| idamnjanovic@70 | 11 % Technion, Haifa 32000 Israel |
| idamnjanovic@70 | 12 % ronrubin@cs |
| idamnjanovic@70 | 13 % |
| idamnjanovic@70 | 14 % April 2009 |
| idamnjanovic@70 | 15 |
| idamnjanovic@70 | 16 |
| idamnjanovic@70 | 17 y = x*spdiag(1./sqrt(sum(x.*x))); |