Python RootSum.evalf Exemples

Exemple #1

Fichier : test_rootoftools.py Projet : kalolad1/health-story

def test_RootSum_evalf():
    rs = RootSum(x**2 + 1, exp)

    assert rs.evalf(n=20, chop=True).epsilon_eq(Float("1.0806046117362794348"))
    assert rs.evalf(n=15, chop=True).epsilon_eq(Float("1.08060461173628"))

    rs = RootSum(x**2 + a, exp, x)

    assert rs.evalf() == rs

Exemple #2

Fichier : test_rootoftools.py Projet : BDGLunde/sympy

def test_RootSum_evalf():
    rs = RootSum(x**2 + 1, exp)

    assert rs.evalf(n=20, chop=True).epsilon_eq(Float("1.0806046117362794348", 20), Float("1e-20")) == True
    assert rs.evalf(n=15, chop=True).epsilon_eq(Float("1.08060461173628", 15), Float("1e-15")) == True

    rs = RootSum(x**2 + a, exp, x)

    assert rs.evalf() == rs

Exemple #3

def test_RootSum_evalf():
    rs = RootSum(x**2 + 1, exp)

    assert rs.evalf(n=20, chop=True).epsilon_eq(
        Float("1.0806046117362794348", 20), Float("1e-20")) is S.true
    assert rs.evalf(n=15, chop=True).epsilon_eq(Float("1.08060461173628", 15),
                                                Float("1e-15")) is S.true

    rs = RootSum(x**2 + a, exp, x)

    assert rs.evalf() == rs