# 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

13 Related Articles

### 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.