d = 0 (slider from -5 to 5, step 0.001)
c = -1 (slider from -5 to 5, step 0.001)
a = 0 (slider from -5 to 5, step 0.001)
b = -1 (slider from -5 to 5, step 0.001)
A: {{a, b}, {c, d}}
B = (1.84, 2.78)
C = (-4.3, -4.04)
D = (2.44, -2.86)
t1, d_1, b_1, c_1 = Polygon(B, C, D)
E: (A * Vector[B])
F: (A * Vector[C])
G: (A * Vector[D])
t2, g, e, f = Polygon(E, F, G)
tekst1: "Afbildningsmatrix: A = " + (LaTeX[A]) + ""