Function peroxide::structure::matrix::inv_u

pub fn inv_u(u: Matrix) -> Matrix

Inverse of upper triangular matrix

Examples

extern crate peroxide;
use peroxide::*;

let u = matrix(c!(2,2,0,1), 2, 2, Row);
assert_eq!(inv_u(u), matrix(c!(0.5,-1,0,1), 2, 2, Row));