Python singularitiesの例

コード例 #1

ファイル: test_singularities.py プロジェクト: naveensaigit/diofant

def test_singularities():
    assert singularities(1, x) == set()
    assert singularities(x**2, x) == set()
    assert singularities(x / (x**2 + 3 * x + 2), x) == {-2, -1}
    assert singularities(1 / (1 + x), x) == {-1}
    assert singularities(1 / (1 + x)**2, x) == {-1}
    assert singularities(sign(x), x) == {0}

コード例 #2

def test_singularities_non_rational():
    assert singularities(exp(1 / x), x) == {0}
    assert singularities(log((x - 2)**2), x) == {2}
    assert singularities(exp(1 / x) + log(x + 1), x) == {-1, 0}
    assert singularities(exp(1 / log(x + 1)), x) == {0}

コード例 #3

ファイル: test_singularities.py プロジェクト: skirpichev/diofant

def test_singularities():
    assert singularities(x**2, x) == set()
    assert singularities(x/(x**2 + 3*x + 2), x) == {-2, -1}
    assert singularities(1/(1 + x), x) == {-1}
    assert singularities(sign(x), x) == {0}

コード例 #4

ファイル: test_singularities.py プロジェクト: skirpichev/diofant

def test_singularities_non_rational():
    assert singularities(exp(1/x), x) == {0}
    assert singularities(log((x - 2)**2), x) == {2}
    assert singularities(exp(1/x) + log(x + 1), x) == {-1, 0}
    assert singularities(exp(1/log(x + 1)), x) == {0}