O

判定

リセット

A = (0, 1.5)
B = (-0.5, 0)
u = Vector(A, B)
L_1 = Sequence(i, i, -3, 3, 0.5)
a = -2.5
b = -1
c = -1
d = 1.5
text2: "点Oに関する点(" + (LaTeX[a]) + "," + (LaTeX[b]) + ")を示す位置ベクトルを作りましょう。"
C: (c, d)

Tool: Tool1
Input: A
Output: h, g

B: (x(A), 0)
C: (0, y(A))
g = Segment(A, C)
h = Segment(A, B)