C:\Users\Másilkovi\Desktop\MA0005\Sbírka příkladů\cv10_pr4

k = Circle((0, 0), 1)
M: {{5, 3}, {3, 5}}
u = 3.91 (slider from 0 to (2 * pi))
A: (cos(u), sin(u))
fA: (M * A)
c: sqrt(2) / 2
A1: (c, c)
A2: ((-c), c)
A3: ((-c), (-c))
A4: (c, (-c))
fA1: (M * A1)
a = Length(fA1)
fA2: (M * A2)
b = Length(fA2)
e: sqrt(a^(2) - b^(2))
E: ((e * cos(pi / 4)), (e * sin(pi / 4)))
F: (((-e) * cos(pi / 4)), ((-e) * sin(pi / 4)))
d = Ellipse(E, F, a)