MathPHP\LinearAlgebra\MatrixFactorTest::dataProviderForEyeExceptions PHP Метод

    public function dataProviderForEyeExceptions()
    {
        return [[-1, 2, 1, 1], [2, -1, 1, 1], [2, 2, -1, 1], [2, 2, 2, 1], [2, 2, 3, 1]];
    }