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Python | Sympy Line .最小_角度_间法

原文:https://www.geesforgeks.org/python-sympy-line-minist_angle_between-method/

In Sympy, the function smallest_angle_between() is used to return the non-obtuse angle at the intersection of lines.

Syntax: smallest_angle_between(l2)

Parameters: 
 l1: LinearEntity
 l2: LinearEntity

Returns: angle [angle in radians]

示例#1:

# import sympy and Point, Line, pi
from sympy import Point, Line, pi

# using Line() method
l1 = Line((0, 0), (1, 0))
l2 = Line((1, 1), (0, 0))

# using smallest_angle_between() method
rad = l2.smallest_angle_between(l1)

print(rad)

输出:

pi/4

示例#2:

# import sympy and Point, Line, pi
from sympy import Point, Line, pi

# using Line() method
l1 = Line((0, 0), (1, 0))
l3 = Line((3, 1), (0, 0))

# using smallest_angle_between() method
rad = l3.smallest_angle_between(l1)

print(rad)

输出:

acos(3*sqrt(10)/10)


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