Types Of Matrices

A matrix may be classified by types. It is possible for a matrix to belong to more than one type.

A row matrix is a matrix with only one row.

A column matrix is a matrix with only one column.

A column matrix of order 2 ×1 is also called a vector matrix.

A zero matrix or a null matrix is a matrix that has all its elements zero.

A square matrix is a matrix with an equal number of rows and columns.

A diagonal matrix is a square matrix that has all its elements zero except for those in the diagonal from top left to bottom right; which is known as the leading diagonal of the matrix.

A scalar matrix is a diagonal matrix where all the diagonal elements are equal.

An upper triangular matrix is a square matrix where all the elements located below the diagonal are zeros.

A lower triangular matrix is a square matrix where all the elements located above the diagonal are zeros.

A unit matrix or Identity Matrix is a diagonal matrix whose elements in the diagonal are all ones.

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