About the Authors

Pingjun Hou

Roles Methodology, Project administration, Writing – review & editing

haust_hpj@haust.edu.cn

Affiliation School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang, China

Changchun Liu

Roles Software, Writing – original draft

Affiliation School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang, China

Xinlin Zhang

Roles Visualization

Affiliation School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang, China

Competing Interests

The authors have declared that no competing interests exist.