oggetto con velocità δ

addizione delle velocità

β = 0.43 (slider from 0 to 0.999, step 0.001)
x_1': y = (β * x)
x_0': y = (1 / β * x)
A = Intersect(x_0', x_1')
B, C = Intersect(c, x_1')
distanzaCA = Distance(C, A)
TestoCA: "\overline{" + (Name[C]) + (Name[A]) + "} \, = \, " + distanzaCA
δ = 0.12 (slider from -0.999 to 0.999, step 0.001)
e: y = (1 / δ * x)
D = Point(e)
f = Line(D, x_0')
g = Line(D, x_1')
E = Intersect(g, x_0')
F = Intersect(f, x_1')
distanzaAF = Distance(A, F)
TestoAF: "\overline{" + (Name[A]) + (Name[F]) + "} \, = \, " + distanzaAF
distanzaAE = Distance(A, E)
TestoAE: "\overline{" + (Name[A]) + (Name[E]) + "} \, = \, " + distanzaAE
δ': (distanzaAF / distanzaAE * abs(δ - β) / (δ - β))
testo1: "\delta'=\frac{\delta - \beta}{1-\delta \beta}\\
\delta=" + (LaTeX[δ]) + "\\
\delta'=" + (LaTeX[δ']) + ""