本文整理汇总了Python中sympy.core.basic.Basic.tanh方法的典型用法代码示例。如果您正苦于以下问题：Python Basic.tanh方法的具体用法？Python Basic.tanh怎么用？Python Basic.tanh使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sympy.core.basic.Basic的用法示例。
在下文中一共展示了Basic.tanh方法的1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，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _eval_apply
# 需要导入模块: from sympy.core.basic import Basic [as 别名]
# 或者: from sympy.core.basic.Basic import tanh [as 别名]
def _eval_apply(self, arg):
arg = Basic.sympify(arg)
if isinstance(arg, Basic.Number):
if isinstance(arg, Basic.NaN):
return S.NaN
elif isinstance(arg, Basic.Zero):
return S.Zero
elif arg.is_negative:
return -self(-arg)
else:
i_coeff = arg.as_coefficient(S.ImaginaryUnit)
if i_coeff is not None:
return S.ImaginaryUnit * Basic.tanh(i_coeff)
else:
pi_coeff = arg.as_coefficient(S.Pi)
if pi_coeff is not None:
if pi_coeff.is_integer:
return S.Zero
elif isinstance(pi_coeff, Basic.Rational):
cst_table = {
#2 : S.ComplexInfinity,
3 : Basic.sqrt(3),
4 : S.One,
6 : 1 / Basic.sqrt(3),
}
try:
result = cst_table[pi_coeff.q]
if (2*pi_coeff.p // pi_coeff.q) % 4 in (1, 3):
return -result
else:
return result
except KeyError:
pass
coeff, terms = arg.as_coeff_terms()
if coeff.is_negative:
return -self(-arg)