lower_tri_l {lenses}

Lens into lower diagonal elements

Description

Create a lens into the lower diagonal elements of a matrix

Usage

lower_tri_l(diag = FALSE)

Arguments

diag

whether or not to include the diagonal

Examples

(x <- matrix(1:9, ncol = 3))
view(x, lower_tri_l())
view(x, lower_tri_l(diag = TRUE))
set(x, lower_tri_l(), c(100, 200, 300))