Déplacer le point bleu

\vec{u}

Norme

\left\Vert \vec{u} \right\Vert = \sqrt{x^2+y^2}

A = Intersect(xAxis, yAxis)
B = (2.366339019064584, 2.643523507285061)
u = Vector(A, B)
C = Point(xAxis)
α = Angle(C, A, B)
a: x(B)
b: y(B)
c: a^(2)
d: b^(2)
e: c + d
texte4: "\left\Vert \vec{u} \right\Vert =\sqrt{" + (LaTeX[e]) + "}"
f: sqrt(e)
texte6: "\left\Vert\vec{u}  \right\Vert =" + (LaTeX[f]) + ""
D = Point(u)
g = OrthogonalLine(B, xAxis)
E = Intersect(g, xAxis)
h = Segment(A, E)
i = Segment(B, E)
F = Midpoint(i)
G = Midpoint(h)
texte2: "\left\Vert \vec{u} \right\Vert = \sqrt{(" + (LaTeX[a]) + ")² + ( " + (LaTeX[b]) + ")²}"
j: i / h
H = Point(xAxis)
texte1: "\vec{u}=(" + (LaTeX[a]) + ";" + (LaTeX[b]) + ")"