simple-squiggle/node_modules/mathjs/docs/reference/functions/sqrtm.md

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Function sqrtm

Calculate the principal square root of a square matrix. The principal square root matrix X of another matrix A is such that X * X = A.

https://en.wikipedia.org/wiki/Square_root_of_a_matrix

Syntax

X = math.sqrtm(A)

Parameters

Parameter Type Description
A Array | Matrix The square matrix A

Returns

Type Description
Array | Matrix The principal square root of matrix A

Throws

Type Description

Examples

math.sqrtm([[1, 2], [3, 4]]) // returns [[-2, 1], [1.5, -0.5]]

See also

sqrt, pow