Discrete Bat Algorithm for Optimal Problem of Permutation Flow Shop Scheduling

Algorithm 3

The pseudocode of pulse emission rate local operation.

for  each individual

            Compute pulse emission rate by (6);

        if  rand >

                    /* sub-sequence swap  */

                    Randomly select two sub-sequences defined by frequency on ;

                    Swap the two sub-sequences to generate a new position;

             else

                    /* sub-sequence inserting  */

                    Randomly select one sub-sequence defined by frequency on ;

                    Insert this sub-sequence into a random location in remainder sequence;

        endif

endfor