1. College of Mathematics and Physics, Chengdu University of Technology, Chengdu 610059, China
2. Geomathematics Key Laboratory of Sichuan Province, Chengdu University of Technology, Chengdu 610059, China
3. Department of Artificial Intelligence and Big Data, Yibin University, Yibin 644000, China
4. College of Management Science, Chengdu University of Technology, Chengdu 610059, China
5. Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Chengdu 610041, China