\overrightarrow{v}

\overrightarrow{u}

A = Point(xAxis)
a = -0.7 (slider from -2 to 2, step 0.05)
B = Point(yAxis)
C = Point(zAxis)
u = Vector(A, C)
v = Vector(A, B)
b = -0.9 (slider from -2 to 2, step 0.05)
M: A + (a * u) + (b * v)
I: A + (a * u)
J: A + (b * v)
f = Segment(A, J)
g = Segment(J, M)
h = Segment(M, I)
i = Segment(A, I)
A1: (-8, -6, 2)
A1' = Translate(A1, v)
w = Vector(A1, A1')
A2: (-8, -2, 2)
A2' = Translate(A2, u)
c = Vector(A2, A2')
texte1: "\overrightarrow{AM}=a\overrightarrow{u}+b\overrightarrow{v}=" + (LaTeX[a]) + "\overrightarrow{u}+" + (LaTeX[b]) + "\overrightarrow{v}"
D = Midpoint(A1, A1')
E = Midpoint(A2, A2')