1. Renewable Energy Research Centre and Department of Teacher Training in Electrical Engineering, Faculty of Technical EducationKing Mongkut's University of Technology North Bangkok (KMUTNB) Bangkok Thailand
2. Center of Excellence in Theoretical and Computational Science (TaCS‐CoE) and KMUTTFixed Point Research Laboratory, Department of Mathematics, Faculty of ScienceKing Mongkut's University of Technology Thonburi (KMUTT) Bangkok Thailand
3. Division of Mathematics, Department of Science, Faculty of Science and Agricultural TechnologyRajamangala University of Technology Lanna Nan Fai Kaeo Thailand
4. Department of Medical Research, China Medical University HospitalChina Medical University Taichung Taiwan