Irregular matrix

irregular matricesragged matrix
An irregular matrix, or ragged matrix, is a matrix that has a different number of elements in each row.wikipedia
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Matrix (mathematics)

matrixmatricesmatrix theory
An irregular matrix, or ragged matrix, is a matrix that has a different number of elements in each row.
In mathematics, a matrix (plural matrices) is a rectangular array (see irregular matrix) of numbers, symbols, or expressions, arranged in rows and columns.

Regular matrix

Regular matrix (disambiguation)

Linear algebra

linearlinear algebraiclinear-algebraic
Ragged matrices are not used in linear algebra, since standard matrix transformations cannot be performed on them, but they are useful as arrays in computing.

Array data structure

arrayarraysvector
Ragged matrices are not used in linear algebra, since standard matrix transformations cannot be performed on them, but they are useful as arrays in computing.

Computing

computer technologycomputing technologyapplied computing
Ragged matrices are not used in linear algebra, since standard matrix transformations cannot be performed on them, but they are useful as arrays in computing.

Iliffe vector

John Iliffevectors of vectors
Irregular matrices are typically stored using Iliffe vectors.

Sparse matrix

sparsesparse matricessparsity

Dictionary of Algorithms and Data Structures

NIST Dictionary of Algorithms and Data Structures
* Paul E. Black, Ragged matrix, from Dictionary of Algorithms and Data Structures, Paul E. Black, ed., NIST, 2004.

National Institute of Standards and Technology

NISTNational Bureau of StandardsBureau of Standards
* Paul E. Black, Ragged matrix, from Dictionary of Algorithms and Data Structures, Paul E. Black, ed., NIST, 2004.

Matrix representation

storage scheme
These are particularly useful for storing irregular matrices.