在Sympy中,该函数
Ellipse.is_tangent()
用于检查Ellipse,LinearEntity或Polygon是否与给定的Ellipse相切。用法: is_tangent(o) Parameters:o an Ellipse, LinearEntity or Polygon 返回: True if o is tangent to the ellipse, False otherwise. Raises: NotImplementedError When the wrong type of argument is supplied.
范例1:
# import sympy and Point, Ellipse, Line
from sympy import Point, Ellipse, Line
p0, p1, p2 = Point(0, 0), Point(3, 0), Point(3, 3)
# using Line and Ellipse method
e1 = Ellipse(p0, 3, 2)
l1 = Line(p1, p2)
# using is_tangent method
e1.is_tangent(l1)
输出:
True
范例2:
# import sympy and Point, Ellipse, Line
from sympy import Point, Ellipse, Line
p0, p1, p2 = Point(0, 0), Point(4, 0), Point(4, 2)
# using Line and Ellipse method
e1 = Ellipse(p0, 3, 2)
l1 = Line(p1, p2)
# using is_tangent method
e1.is_tangent(l1)
输出:
False
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