在Sympy中,該函數
smallest_angle_between()
用於返回直線相交處的非鈍角。用法: smallest_angle_between(l2) 參數: l1: LinearEntity l2: LinearEntity 返回: angle [angle in radians]
範例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)
輸出:
pi/4
範例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)
輸出:
acos(3*sqrt(10)/10)
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