ragged matrix

(data structure)

Definition: A matrix having irregular numbers of items in each row.

See also uniform matrix, sparse matrix.

Note: An upper triangular matrix or a lower triangular matrix are usually not thought of as being ragged since the number of items in each row is regular (changing by one from row to row).

For example


Author: PEB

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Entry modified 17 December 2004.
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Cite this as:
Paul E. Black, "ragged matrix", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 17 December 2004. (accessed TODAY) Available from: