vector.islowertriangular.md

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isLowerTriangular() function

Tests if a matrix is lower-triangular.

Signature:

export declare function isLowerTriangular<S>(matrix: Matrix<S>): boolean;

Parameters

Parameter	Type	Description
matrix	Matrix<S>

Returns:

boolean

true if the matrix is lower-triangular

Remarks

A matrix is lower-triangular if all entries above the primary diagonal (those where i < j) are zero.