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NDArray::multiply

public static function multiply(NDArray|array|float|int $a, NDArray|array|float|int $b): NDArray|float|int;

Multiply arrays element-wise

Parameters​

$a $b​

  • Type - NDArray | array | scalar
  • The arrays to be multiplied.

Return​

NDArray​

  • The multiplication of $a and $b element-wise

Notes​

tip

GPU SUPPORTED​

This operation is supported by GPU (VRAM) and contains a custom CUDA kernel.

Examples​

use \NDArray as nd;

$a = new nd([[2, -2], [1, -1]]);
$b = new nd([[3, -3], [2, -1]]);

$c = $a * $b;

print_r($c);
[[6, 6],
 [2, 1]]