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Python core.Symbol类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中sympy.core.Symbol的典型用法代码示例。如果您正苦于以下问题:Python Symbol类的具体用法?Python Symbol怎么用?Python Symbol使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了Symbol类的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: test_other_symbol

def test_other_symbol():
    x = Symbol('x', integer=True)
    assert x.is_integer is True
    assert x.is_real is True

    x = Symbol('x', integer=True, nonnegative=True)
    assert x.is_integer is True
    assert x.is_nonnegative is True
    assert x.is_negative is False
    assert x.is_positive is None

    x = Symbol('x', integer=True, nonpositive=True)
    assert x.is_integer is True
    assert x.is_nonpositive is True
    assert x.is_positive is False
    assert x.is_negative is None

    x = Symbol('x', odd=True)
    assert x.is_odd is True
    assert x.is_even is False
    assert x.is_integer is True

    x = Symbol('x', odd=False)
    assert x.is_odd is False
    assert x.is_even is None
    assert x.is_integer is None

    x = Symbol('x', even=True)
    assert x.is_even is True
    assert x.is_odd is False
    assert x.is_integer is True

    x = Symbol('x', even=False)
    assert x.is_even is False
    assert x.is_odd is None
    assert x.is_integer is None

    x = Symbol('x', integer=True, nonnegative=True)
    assert x.is_integer is True
    assert x.is_nonnegative is True

    x = Symbol('x', integer=True, nonpositive=True)
    assert x.is_integer is True
    assert x.is_nonpositive is True

    with raises(AttributeError):
        x.is_real = False
开发者ID:Amo10,项目名称:Computer-Science-2014-2015,代码行数:47,代码来源:test_assumptions.py


示例2: test_sanitize_assumptions

def test_sanitize_assumptions():
    # issue 6666
    for cls in (Symbol, Dummy, Wild):
        x = cls('x', real=1, positive=0)
        assert x.is_real is True
        assert x.is_positive is False
        assert cls('', real=True, positive=None).is_positive is None
        raises(ValueError, lambda: cls('', commutative=None))
    raises(ValueError, lambda: Symbol._sanitize(dict(commutative=None)))
开发者ID:baoqchau,项目名称:sympy,代码行数:9,代码来源:test_assumptions.py


示例3: test_other_symbol

def test_other_symbol():
    x = Symbol("x", integer=True)
    assert x.is_integer is True
    assert x.is_real is True

    x = Symbol("x", integer=True, nonnegative=True)
    assert x.is_integer is True
    assert x.is_nonnegative is True
    assert x.is_negative is False
    assert x.is_positive is None

    x = Symbol("x", integer=True, nonpositive=True)
    assert x.is_integer is True
    assert x.is_nonpositive is True
    assert x.is_positive is False
    assert x.is_negative is None

    x = Symbol("x", odd=True)
    assert x.is_odd is True
    assert x.is_even is False
    assert x.is_integer is True

    x = Symbol("x", odd=False)
    assert x.is_odd is False
    assert x.is_even is None
    assert x.is_integer is None

    x = Symbol("x", even=True)
    assert x.is_even is True
    assert x.is_odd is False
    assert x.is_integer is True

    x = Symbol("x", even=False)
    assert x.is_even is False
    assert x.is_odd is None
    assert x.is_integer is None

    x = Symbol("x", integer=True, nonnegative=True)
    assert x.is_integer is True
    assert x.is_nonnegative is True

    x = Symbol("x", integer=True, nonpositive=True)
    assert x.is_integer is True
    assert x.is_nonpositive is True

    with raises(AttributeError):
        x.is_real = False

    x = Symbol("x", algebraic=True)
    assert x.is_transcendental is False
    x = Symbol("x", transcendental=True)
    assert x.is_algebraic is False
    assert x.is_rational is False
    assert x.is_integer is False
开发者ID:Zamrath,项目名称:sympy,代码行数:54,代码来源:test_assumptions.py



注:本文中的sympy.core.Symbol类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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