Trace

Description

Computes the trace of a matrix.

Usage

1
 tr(a)

Arguments

a

Matrix

Value

t

Trace of A

Author(s)

Maria Antonietta Del Ferraro mariaantonietta.delferraro@yahoo.it
Henk A.L. Kiers h.a.l.kiers@rug.nl
Paolo Giordani paolo.giordani@uniroma1.it

Examples

1
2
X <- matrix(rnorm(6*6),ncol=6)
trace <- tr(X)

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