Approximate Closed-Form Formulas for the Zeros of the Bessel Polynomials

Figure 2

Dependence of 𝜇(1,𝑛,𝑎) and 𝜇(𝑛/2,𝑛,𝑎) on 𝑛 for 𝑎=10,20,30,40,100. Plots are shown in gray-level intensity, from lower to higher, according to the value of 𝑎.

(a)

(b)