lower_tri_l: Lens into lower diagonal elements

Description Usage Arguments Examples

Description

Create a lens into the lower diagonal elements of a matrix

Usage

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Arguments

diag

whether or not to include the diagonal

Examples

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(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))

cfhammill/fresnel documentation built on May 15, 2019, 1:13 p.m.