idamnjanovic@70: %SPROW Extract row of sparse matrix.
idamnjanovic@70: %  X = SPROW(A,J) where A is a sparse matrix, returns the nonzero values in
idamnjanovic@70: %  the row A(J,:).
idamnjanovic@70: %
idamnjanovic@70: %  [X,ID] = SPROW(A,J) also returns the column indices of the nonzeros.
idamnjanovic@70: %
idamnjanovic@70: %  Note that the call [X,ID] = SPROW(A,J) is equivalent (but more efficient
idamnjanovic@70: %  than) the Matlab code
idamnjanovic@70: %
idamnjanovic@70: %    IDS = find(A(J,:)); 
idamnjanovic@70: %    X = A(J,IDS);
idamnjanovic@70: 
idamnjanovic@70: 
idamnjanovic@70: %  Ron Rubinstein
idamnjanovic@70: %  Computer Science Department
idamnjanovic@70: %  Technion, Haifa 32000 Israel
idamnjanovic@70: %  ronrubin@cs
idamnjanovic@70: %
idamnjanovic@70: %  August 2009