peroxide
macro_rules! zeros { ( $n:expr ) => { ... }; ( $r:expr, $c:expr ) => { ... }; }
MATLAB like zeros - zero matrix
extern crate peroxide; use peroxide::*; let a = zeros!(4); assert_eq!(a, c!(0,0,0,0)); let b = zeros!(3, 2); assert_eq!(b, matrix(c!(0,0,0,0,0,0), 3, 2, Row));