MathPHP\Functions\PolynomialTest::dataProviderForGetVariable PHP Метод

    public function dataProviderForGetVariable()
    {
        return [[[[1, 2, 3]], 'x'], [[[2, 3, 4], "p"], 'p'], [[[-1, -2, -3], "m"], 'm'], [[[-2, -3, -4], "a"], 'a'], [[[0, 2, 3], "Δ"], 'Δ'], [[[1, 0, 3], "Γ"], 'Γ'], [[[1, 2, 0], "Ψ"], 'Ψ'], [[[0, 0, 3], "μ"], 'μ'], [[[1, 0, 0], "ξ"], 'ξ'], [[[0, 2, 0], "aₙ"], 'aₙ'], [[[0, -2, 3], "aⁿ"], 'aⁿ'], [[[-1, 0, 3], "a₍ₘ₎₍ₙ₎"], 'a₍ₘ₎₍ₙ₎']];
    }