annotate util/ksvd utils/sprow.m @ 198:83af80baf959 luisf_dev

Reverted SMALL_two_step to the original version; adds path in the Init script.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Tue, 20 Mar 2012 12:29:47 +0000
parents c3eca463202d
children
rev   line source
idamnjanovic@70 1 %SPROW Extract row of sparse matrix.
idamnjanovic@70 2 % X = SPROW(A,J) where A is a sparse matrix, returns the nonzero values in
idamnjanovic@70 3 % the row A(J,:).
idamnjanovic@70 4 %
idamnjanovic@70 5 % [X,ID] = SPROW(A,J) also returns the column indices of the nonzeros.
idamnjanovic@70 6 %
idamnjanovic@70 7 % Note that the call [X,ID] = SPROW(A,J) is equivalent (but more efficient
idamnjanovic@70 8 % than) the Matlab code
idamnjanovic@70 9 %
idamnjanovic@70 10 % IDS = find(A(J,:));
idamnjanovic@70 11 % X = A(J,IDS);
idamnjanovic@70 12
idamnjanovic@70 13
idamnjanovic@70 14 % Ron Rubinstein
idamnjanovic@70 15 % Computer Science Department
idamnjanovic@70 16 % Technion, Haifa 32000 Israel
idamnjanovic@70 17 % ronrubin@cs
idamnjanovic@70 18 %
idamnjanovic@70 19 % August 2009