In [27] in binary optimal problem solution and in order to prevent local optimal algorithm premature convergence, the mutation operator which is used in genetic algorithm (GA) is combined with PSO which substantially improves the algorithm efficiency. Despite optimization variables` not being binary and according to the positive effect of mutation in last researches, this operator is also used in this paper. The philosophy of this operator is that first each variable in particle is given a random number between zero and one with normal probability distribution function (PDF).