mixAK (version 0.3)

SP2Rect: Creation of a rectangular symmetric matrix from its lower triangle (symmetric packed format)

Description

It creates a symmetric matrix from its lower triangle.

Usage

SP2Rect(LT, dim)

Arguments

LT

a numeric vector with the lower triangle (stored columnwise) of the matrix we want to reconstruct.

dim

number of rows and columns of a resulting matrix.

Value

• A matrix.

Examples

SP2Rect(3, dim=1)
SP2Rect(c(1, 0.5, 2), dim=2)
SP2Rect(c(1, 0.5, 0.25, 2, -0.5, 3), dim=3)