d = -1.9 (slider from -5 to 5, step 0.001)
c = 3.85 (slider from -5 to 5, step 0.001)
a = -0.3 (slider from -5 to 5, step 0.001)
b = 2.3 (slider from -5 to 5, step 0.001)
B = Intersect(xAxis, yAxis)
A: {{a, b}, {c, d}}
C = Intersect(xAxis, yAxis)
D = (1, 0)
e = Circle(C, D)
E = Intersect(e, yAxis, 2)
F = Intersect(e, yAxis, 1)
G: (A * Vector[E])
H: (A * Vector[F])
I: (A * Vector[D])
J = Intersect(e, xAxis, 1)
K: (A * Vector[J])
S: (1 / sqrt(2), 1 / sqrt(2))
L: (A * Vector[S])
f = Conic(G, L, I, H, K)
tekst1: "Afbildningsmatrix : A =  " + (LaTeX[A]) + ""