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

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