Allpole Filters

α_p = 1
α_s = 20
ω_s = 2

For the degree n of the filter we have 3 ≤ n ≤ 4

Filter having degree n = 4
=====================================================
Poles of Filter:
p₁ = (-0.40399454,1.0738199)
p₂ = (-0.97619566,0.44439592)
p₃ = (-0.97619566,-0.44439592)
p₄ = (-0.40399454,-1.0738199)

Filter having degree n = 3
=====================================================
Poles of Filter:
p₁ = (-0.31689111,0.97951661)
p₂ = -0.63378221
p₃ = (-0.31689111,-0.97951661)