pmat {lazy.mat}R Documentation

Generate a permutation matrix to switch row or column.

Description

Generate a permutation matrix to switch row or column.

Usage

pmat(n, i, j)

Arguments

n

the size of matrix

i

column number

j

column number

Details

Can be used with a character matrix.

Value

The permutation matrix of size n

Examples

pmat(3,2,1)
A=demomat(3,2)
A%*%pmat(2,2,1)
pmat(3,2,1)%*%A

[Package lazy.mat version 0.1.3 Index]