Function lair::matrix::circulant

pub fn circulant<A>(a: &[A]) -> Array2<A> where
    A: Copy, 

Constructs a circulant matrix.

Examples

use lair::matrix::circulant;

let a = vec![1., 2., 3.];
let c = circulant(&a);
assert_eq!(c, ndarray::aview2(&[[1., 3., 2.], [2., 1., 3.], [3., 2., 1.]]));