NDArray::norm

public static function norm(NDArray|array $a, int $order = 2): float;

Calculates different norms (e.g., L1 norm, L2 norm) of an array, providing various measures of its magnitude.

$order options

• 1 - L1-Norm
• 2 - L2-Norm

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Notes

tip

GPU SUPPORTED

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