$\vec{u}$

$\vec{p}$

$\vec{x}$

g: \vec{x} = \vec{p} + t \cdot \vec{u}

$t \cdot \vec{u}$

Vektoren

Q: (2, -0.5, 2.5)
P: (3, -1, 2)
u = Vector(P, Q)
O: (0, 0, 0)
p = Vector(O, P)
t = 4 (slider from -10 to 10, step 0.1)
v = Vector(O, P)
X: p + (t * u)
w = Vector(O, X)
a = Vector(P, X)
g = Line(P, Q)
b = false
Text1: "\vec{x} =  \underbrace{\left(\begin{array}{c} " + (LaTeX[x(P)]) + " \\ " + (LaTeX[y(P)]) + " \\ " + (LaTeX[z(P)]) + "  \end{array}\right)}_{\substack{\vec{p}}} + \underbrace{" + (LaTeX[t]) + "}_{\substack{t}} \cdot \underbrace{\left(\begin{array}{c} " + (LaTeX[x(u)]) + " \\ " + (LaTeX[y(u)]) + " \\ " + (LaTeX[z(u)]) + "  \end{array}\right)}_{\substack{\vec{u}}} = \left(\begin{array}{c} " + (LaTeX[x(X)]) + " \\ " + (LaTeX[y(X)]) + " \\ " + (LaTeX[z(X)]) + "\end{array}\right)"