NumPhp::ones_like

Construct a new array of ones with the same shape and type as a given array.

Description

SciPhp\NdArray NumPhp::ones_like( array|NdArray $array )

Parameters

$array
An array [1, 2, 3] or a NdArray.

Return Values

The new SciPhp\NdArray

Examples

Example #1: Constructing an array of ones with array as input

use SciPhp\NumPhp as np;

$x np::ones_like(
  [[
22],
   [
22]]
);

echo 
$x;

The above example will output:

[[1  1]
 [1  1]]

Example #2: Constructing an array of ones with N-dim array as input

use SciPhp\NumPhp as np;

// 3-D array 
$input np::linspace(188)->reshape(222);

$x np::ones_like($input);

echo 
"
Input:
$input
Output:
$x
"
;

The above example will output:

Input:
[[[1  2]
  [3  4]]
 [[5  6]
  [7  8]]]

Output:
[[[1  1]
  [1  1]]
 [[1  1]
  [1  1]]]

See Also