Python stieltjes Exemples

Exemple #1

Fichier : test_zeta_functions.py Projet : ca954bj/StructuralSymbolicSolver

def test_stieltjes():
    assert isinstance(stieltjes(x), stieltjes)
    assert isinstance(stieltjes(x, a), stieltjes)

    # Zero'th constant EulerGamma
    assert stieltjes(0) == S.EulerGamma
    assert stieltjes(0, 1) == S.EulerGamma

    # Not defined
    assert stieltjes(nan) == nan
    assert stieltjes(0, nan) == nan
    assert stieltjes(-1) == S.ComplexInfinity
    assert stieltjes(1.5) == S.ComplexInfinity
    assert stieltjes(z, 0) == S.ComplexInfinity
    assert stieltjes(z, -1) == S.ComplexInfinity

Exemple #2

Fichier : test_zeta_functions.py Projet : scopatz/sympy

def test_stieltjes():
    assert isinstance(stieltjes(x), stieltjes)
    assert isinstance(stieltjes(x, a), stieltjes)

    # Zero'th constant EulerGamma
    assert stieltjes(0) == S.EulerGamma
    assert stieltjes(0, 1) == S.EulerGamma

    # Not defined
    assert stieltjes(nan) == nan
    assert stieltjes(0, nan) == nan
    assert stieltjes(-1) == S.ComplexInfinity
    assert stieltjes(1.5) == S.ComplexInfinity
    assert stieltjes(z, 0) == S.ComplexInfinity
    assert stieltjes(z, -1) == S.ComplexInfinity

Exemple #3

Fichier : test_zeta_functions.py Projet : ca954bj/StructuralSymbolicSolver

def test_stieltjes_evalf():
    assert abs(stieltjes(0).evalf() - 0.577215664) < 1E-9
    assert abs(stieltjes(0, 0.5).evalf() - 1.963510026) < 1E-9
    assert abs(stieltjes(1, 2).evalf() + 0.072815845) < 1E-9

Exemple #4

Fichier : test_zeta_functions.py Projet : scopatz/sympy

def test_stieltjes_evalf():
    assert abs(stieltjes(0).evalf() - 0.577215664) < 1e-9
    assert abs(stieltjes(0, 0.5).evalf() - 1.963510026) < 1e-9
    assert abs(stieltjes(1, 2).evalf() + 0.072815845) < 1e-9