%^% {singR}

Calculate the power of a square matrix

Description

returns a matrix composed of eigenvector x diag(eigenvalue ^ power) x eigenvector'

Usage

S %^% power

Arguments

S

a square matrix

power

the times of power

Value

a matrix after power calculation that eigenvector x diag(eigenvalue ^ power) x eigenvector'

Examples

a <- matrix(1:9,3,3)
a %^% 2