平面向量的係數積(2)
Author: 藍邦偉  老師

向量的係數積(2)

$ \overrightarrow{a} $

K_1: (x(Corner[1]), 0)
K_2: (x(Corner[2]), 0)
A = (9.386461225896097, 0.6968681280917857)
B = (17.45823285254155, 4.900915850302958)
a = Vector(A, B)
r = -0.6 (slider from -3 to 3, step 0.1)
B': A + (r * (x(B) - x(A)), r * (y(B) - y(A)))
b = Vector(A, B')
text2: r + "\overrightarrow{a}"