vech: Parsimonious vectorization operator for symmetric matrices

View source: R/matcal.R

vechR Documentation

Parsimonious vectorization operator for symmetric matrices

Description

vech stacks columns of the given matrix from the principal diagonal downwards (including elements on the diagonal) to form a vector.

Usage

vech(A)

Arguments

A

a size (dxd) symmetric matrix to be vectorized parsimoniously.

Value

a vector of size (d(d+1)/2x1).

Warning

No argument checks!


gmvarkit documentation built on April 4, 2025, 1:54 a.m.