GNU Octave Manual Version 3 by John W. Eaton, David Bateman, Søren Hauberg Paperback (6"x9"), 568 pages ISBN 095461206X RRP £24.95 ($39.95) Get a printed copy>>>

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20 Sparse Matrices

This chapter describes the use of sparse matrices in Octave. For matrices where a large number of the elements are zero, Octave provides a sparse matrix type which stores only the non-zero elements. This reduces the amount of memory required and allows unnecessary operations involving empty elements to be avoided.