_calculateFormulaValue($formula); self::assertEquals($expectedResult, $result); } public function providerImArgumentArray(): array { return [ 'row/column vector' => [ [ [-1.9513027039072615, -1.5707963267948966, -1.1902899496825317], [-2.356194490192345, -1.5707963267948966, -0.7853981633974483], [2.356194490192345, 1.5707963267948966, 0.7853981633974483], [1.9513027039072615, 1.5707963267948966, 1.1902899496825317], ], '{"-1-2.5i", "-2.5i", "1-2.5i"; "-1-i", "-i", "1-i"; "-1+i", "i", "1+1"; "-1+2.5i", "+2.5i", "1+2.5i"}', ], ]; } }