tr {lazy.mat}

R Documentation

Trace of the input square matrix: Sum of all the diagonal elements of a square matrix.

Description

Trace of the input square matrix: Sum of all the diagonal elements of a square matrix.

Usage

tr(A)

Arguments

A	Input square matrix or scalar

Details

Can be used with a character matrix.

Value

trace of A

Examples

tr(demomat(2,2))

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