Solving Linear Coupled Fractional Differential Equations by Direct Operational Method and Some Applications

Figure 6

Determination of amplifier gain 𝐾: (a) restrictions on possible values of 𝐾 and 𝛼; (b) third-order least-squares approximation of 𝐾(𝛼) for 𝑥∈(0,0.5).

(a)

(b)