public subtractScalar ( float $value ) : self | ||
$value | float | |
Результат | self |
public function testSubtractScalar() { $matrix = new Matrix([[4, 2, 6], [1, 7, 3], [7, 3, 2]]); $subtracted = $matrix->subtractScalar(4); static::assertEquals(0, $subtracted->get(0, 0)); static::assertEquals(-2, $subtracted->get(0, 1)); static::assertEquals(2, $subtracted->get(0, 2)); static::assertEquals(-3, $subtracted->get(1, 0)); static::assertEquals(3, $subtracted->get(1, 1)); static::assertEquals(-1, $subtracted->get(1, 2)); static::assertEquals(3, $subtracted->get(2, 0)); static::assertEquals(-1, $subtracted->get(2, 1)); static::assertEquals(-2, $subtracted->get(2, 2)); }