tr: Trace of a Matrix

Description Usage Arguments Value Examples

View source: R/misc.q

Description

Calculates the trace of a matrix

Usage

1
tr(mat)

Arguments

mat

a square matrix.

Value

The trace of the matrix, i.e. the sum of its diagonal elements, is returned.

Examples

1
tr(cbind(1,1:3,4:2)) # 5

lasso2 documentation built on Oct. 8, 2021, 9:10 a.m.