lower-triangular: Construct a lower triangular matrix from a vector

In ADtools: Automatic Differentiation Toolbox

Description

Construct a lower triangular matrix from a vector

Usage

lower_tri_matrix(data, nrow = 1, ncol = 1, diag = FALSE)

## S4 method for signature 'dual'
lower_tri_matrix(data, nrow = 1, ncol = 1, diag = FALSE)

Arguments

data	A numeric vector.
nrow	A positive integer; the desired number of rows.
ncol	A positive integer; the desired number of rows.
diag	A logical; should the diagonal be included ?

Examples

lower_tri_matrix(1:3, 3, 3)
lower_tri_matrix(1:6, 3, 3, diag = TRUE)

ADtools documentation built on Nov. 9, 2020, 5:09 p.m.