Created
March 25, 2011 18:08
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Counting in Matlab using sparse
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| function count_with_sparse | |
| %Find item co-occurences using sparse | |
| %Tomasz Malisiewicz | |
| item1 = [1 3 1 4 3]; | |
| item2 = [2 2 2 1 2]; | |
| N = 4; | |
| counts = sparse(item1,item2,1,N,N) | |
| imagesc(full(counts)) | |
| title('Counts using Sparse') |
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