Hybrid Differential Evolution with Biogeography-Based Optimization for Design of a Reconfigurable Antenna Array with Discrete Phase Shifters

Algorithm 3

procedure Mutation

Begin

   for   𝑖=1 to NP

      Compute the probability 𝑃_𝑖

      Select SIV X_i(j) with probability based on 𝑃_𝑖

      if rand(0,1)<𝑚_𝑖 then

       Replace 𝑋_𝑖(𝑗) with a randomly generated SIV

      end if

    end for

End