| Affiliation: | 1. Research Centre for Modeling and Simulation (RCMS), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan;2. Department of Mathematics, Quaid-I-Azam University, 45320, Islamabad 44000, Pakistan;3. Department of Mathematics, Faculty of Science, King Abdulaziz University, P. O. Box 80257, Jeddah 21589, Saudi Arabia;4. School of Natural Sciences, National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan;5. Department of Mathematics & State Key Lab of Ocean Engineering, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, China |
