本文整理汇总了Python中sympy.core.basic.Basic.cos方法的典型用法代码示例。如果您正苦于以下问题：Python Basic.cos方法的具体用法？Python Basic.cos怎么用？Python Basic.cos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.cos方法的7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_expand_complex
# 需要导入模块: from sympy.core.basic import Basic [as 别名]
# 或者: from sympy.core.basic.Basic import cos [as 别名]
def _eval_expand_complex(self, *args):
if self[0].is_real:
return self
re, im = self[0].as_real_imag()
denom = sinh(re)**2 + Basic.cos(im)**2
return (sinh(re)*cosh(re) + \
S.ImaginaryUnit*Basic.sin(im)*Basic.cos(im))/denom示例2: apothem
# 需要导入模块: from sympy.core.basic import Basic [as 别名]
# 或者: from sympy.core.basic.Basic import cos [as 别名]
def apothem(self):
"""
Returns the apothem/inradius of the regular polygon (i.e., the
radius of the inscribed circle).
"""
n = self.__getitem__(2)
return self.radius * Basic.cos(S.Pi/n)示例3: vertices
# 需要导入模块: from sympy.core.basic import Basic [as 别名]
# 或者: from sympy.core.basic.Basic import cos [as 别名]
def vertices(self):
Polygon.vertices.__doc__
points = []
c, r, n = self[:]
v = 2*S.Pi/n
for k in xrange(0, n):
points.append( Point(c[0] + r*Basic.cos(k*v), c[1] + r*Basic.sin(k*v)) )
return points示例4: _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 cos [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.Infinity):
return S.Infinity
elif isinstance(arg, Basic.NegativeInfinity):
return S.Infinity
elif isinstance(arg, Basic.Zero):
return S.One
elif arg.is_negative:
return self(-arg)
else:
i_coeff = arg.as_coefficient(S.ImaginaryUnit)
if i_coeff is not None:
return Basic.cos(i_coeff)
else:
coeff, terms = arg.as_coeff_terms()
if coeff.is_negative:
return self(-arg)示例5: _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 cos [as 别名]
def _eval_apply(cls, n, k):
if not 0 <= k < n:
raise ValueError, "must have 0 <= k < n"
return Basic.cos(S.Pi*(k+1)/(n+1))示例6: _eval_expand_complex
# 需要导入模块: from sympy.core.basic import Basic [as 别名]
# 或者: from sympy.core.basic.Basic import cos [as 别名]
def _eval_expand_complex(self, *args):
re, im = self[0].as_real_imag()
cos, sin = Basic.cos(im), Basic.sin(im)
return exp(re) * cos + S.ImaginaryUnit * exp(re) * sin示例7: arbitrary_point
# 需要导入模块: from sympy.core.basic import Basic [as 别名]
# 或者: from sympy.core.basic.Basic import cos [as 别名]
def arbitrary_point(self, parameter_name='t'):
"""Returns a symbolic point that is on the ellipse."""
t = Basic.Symbol(parameter_name, real=True)
return Point(
self.center[0] + self.hradius*Basic.cos(t),
self.center[1] + self.vradius*Basic.sin(t))