Python tan示例

示例#1

文件： test_interval_functions.py 项目： aeberspaecher/sympy

def test_tan():
    a = tan(interval(0, np.pi / 4))
    assert a.start == 0
    assert a.end == np.tan(np.pi / 4)

    a = tan(interval(np.pi / 4, 3 * np.pi / 4))
    #discontinuity
    assert a.is_valid is None

示例#2

文件： test_interval_functions.py 项目： jamesBaker361/pynary

def test_tan():
    a = tan(interval(0, np.pi / 4))
    assert a.start == 0
    assert a.end == np.tan(np.pi / 4)

    a = tan(interval(np.pi / 4, 3 * np.pi / 4))
    #discontinuity
    assert a.is_valid is None

示例#3

文件： test_interval_functions.py 项目： KonstantinTogoi/sympy

def test_tan():
    a = tan(interval(0, np.pi / 4))
    assert a.start == 0
    # must match lib_interval definition of tan:
    assert a.end == np.sin(np.pi / 4)/np.cos(np.pi / 4)

    a = tan(interval(np.pi / 4, 3 * np.pi / 4))
    #discontinuity
    assert a.is_valid is None

示例#4

文件： test_interval_functions.py 项目： zabatistas/sympy

def test_tan():
    a = tan(interval(0, np.pi / 4))
    assert a.start == 0
    # must match lib_interval definition of tan:
    assert a.end == np.sin(np.pi / 4) / np.cos(np.pi / 4)

    a = tan(interval(np.pi / 4, 3 * np.pi / 4))
    #discontinuity
    assert a.is_valid is None