w

z

z

-z

-near

far

f = 4.8 (slider from 0.1 to 10)
n = 0.8 (slider from 0.1 to 5)
E_1: (-15, f)
D_1: (15, f)
A: ((-n) - 15, (-n) + 15)
B: (n + 15, (-n) + 15)
g: y = x
h: y = (-x)
C: ((-n), n)
D: (f, f)
i = Line(C, D)
E = Intersect(i, xAxis)
F = Point(i)
F' = Mirror(F, xAxis)
j = Ray(E, F')
eq1: x = (-n)
eq2: x = f