annotate util/ksvd utils/sprow.m @ 107:dab78a3598b6
changes to comments for couple of scripts
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Ivan Damnjanovic lnx <ivan.damnjanovic@eecs.qmul.ac.uk> |
| date |
Wed, 18 May 2011 11:50:12 +0100 (2011-05-18) |
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c3eca463202d |
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line source |
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idamnjanovic@70
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1 %SPROW Extract row of sparse matrix.
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2 % X = SPROW(A,J) where A is a sparse matrix, returns the nonzero values in
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3 % the row A(J,:).
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4 %
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5 % [X,ID] = SPROW(A,J) also returns the column indices of the nonzeros.
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6 %
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7 % Note that the call [X,ID] = SPROW(A,J) is equivalent (but more efficient
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8 % than) the Matlab code
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9 %
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10 % IDS = find(A(J,:));
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11 % X = A(J,IDS);
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12
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13
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14 % Ron Rubinstein
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15 % Computer Science Department
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16 % Technion, Haifa 32000 Israel
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17 % ronrubin@cs
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18 %
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19 % August 2009
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