Macro extendr_api::prelude::concatenate
source ยท macro_rules! concatenate { ($axis:expr, $( $array:expr ),+ ,) => { ... }; ($axis:expr, $( $array:expr ),+ ) => { ... }; }
Expand description
Concatenate arrays along the given axis.
Uses the concatenate()
function, calling ArrayView::from(&a)
on each
argument a
.
Panics if the concatenate
function would return an error.
extern crate ndarray;
use ndarray::{arr2, concatenate, Axis};
let a = arr2(&[[1., 2.],
[3., 4.]]);
assert_eq!(
concatenate![Axis(0), a, a],
arr2(&[[1., 2.],
[3., 4.],
[1., 2.],
[3., 4.]]),
);
assert_eq!(
concatenate![Axis(1), a, a,],
arr2(&[[1., 2., 1., 2.],
[3., 4., 3., 4.]]),
);