Function hstack_1d 

pub fn hstack_1d<T>(
    arrays: &[ArrayView<'_, T, Ix1>],
) -> Result<Array<T, Ix2>, &'static str>
where
    T: Clone + Zero,

Stack a sequence of 1D arrays horizontally (as columns) into a 2D array

Arguments

• arrays - A slice of 1D arrays to stack

Returns

A 2D array where each column contains an input array

Examples

use ndarray::array;
use scirs2_core::ndarray_ext::manipulation::hstack_1d;

let a = array![1, 2, 3];
let b = array![4, 5, 6];

let stacked = hstack_1d(&[a.view(), b.view()]).unwrap();
assert_eq!(stacked.shape(), &[3, 2]);
assert_eq!(stacked, array![[1, 4], [2, 5], [3, 6]]);