1. 1Department of Financial Mathematics, School of Mathematical Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, People;s Republic of China
2. Department of Mathematics, College of Science, Taif University 2 , P. O. Box 11099, Taif 21944, Saudi Arabia
3. Department of Basic Science, Zagazig Higher Institute of Engineering and Technology 3 , Zagazig, Egypt
4. School of Medical Informatics and Engineering, Xuzhou Medical University 4 , 209 Tongshan Road, 221004 Xuzhou, Jiangsu Province, People’s Republic of China
5. Department of Basic Science, Obour High Institute for Engineering and Technology 5 , 11828 Cairo, Egypt