vech: Half-vectorization

Description Usage Arguments Details See Also Examples

View source: R/MxAlgebraFunctions.R

Description

This function returns the half-vectorization of an input matrix as a column vector.

Usage

1
vech(x)

Arguments

x

an input matrix.

Details

The half-vectorization of an input matrix consists of the elements in the lower triangle of the matrix, including the elements along the diagonal of the matrix, as a column vector. The column vector is created by traversing the matrix in column-major order.

See Also

vech2full, vechs, rvectorize, cvectorize

Examples

1
2
vech(matrix(1:9, 3, 3))
vech(matrix(1:12, 3, 4))

OpenMx/OpenMx documentation built on Feb. 21, 2020, 9:12 a.m.