public perp ( |
||
$B | ||
return |
public function perp(Vector $B) : Vector
{
$A⋅B⊥ = $B->perpDotProduct($this);
$│B│² = $B->l2norm() ** 2;
$B⊥ = $B->perpendicular();
return $B⊥->scalarMultiply($A⋅B⊥ / $│B│²);
}