mixbox (version 1.2.3)

arrange_sigma: Extracting diagonal and upper off-diagonal elements of a squre matrix.

Description

Suppose \(x\) is a \(d \times d\) square matrix. This function extracts the diagonal and upper off-diagonal elements of a given square matrix.

Usage

arrange_sigma(x)

Value

diagonal and upper off-diagonal elements of \({x}\) that consist of \({x}_{11},{x}_{12},\cdots,{x}_{1d},{x}_{21},{x}_{22},\cdots,{x}_{2d},\cdots,{x}_{dd} \).

Arguments

x

a squre matrix.

Author

Mahdi Teimouri

Examples

# \donttest{
x <- matrix( c( 0.4, -0.20, -0.20, 0.5 ), nrow = 2, ncol = 2 )
arrange_sigma(x)
# }