zinv {WLreg}

Inverse matrix

Description

This will calculate the inverse matrix by Gauss elimination method

Usage

zinv(y)

Arguments

y

a sqaure matrix

Details

Inverse matrix

Value

yi

the inverse of y

Note

This provides the inverse matrix using Gauss elimination method, this program performs satisfactorily when the size of the matrix is less than 50

Author(s)

Xiaodong Luo

Examples

y<-matrix(c(1,2,0,1),ncol=2,nrow=2)
zinv(y)