1. School of Computing, Electronics and Mathematics, Coventry University, Coventry, UK
2. Department of Statistics, Faculty of Mathematical Sciences & Statistics, Malayer University, Malayer, Iran
3. Department of Mathematics, Faculty of Mathematical Sciences & Statistics, Malayer University, Malayer, Iran
4. Research Centre for Computational Science and Mathematical Modelling, Coventry University, Coventry, UK
5. Department of Mathematics, University of Science and Technology of Mazandaran, Behshahr, Iran
6. Department of Computer Engineering, Faculty of Engineering, Arak University, Arak, Iran