School of Mathematics, Shandong University, Jinan, China.|School of Mathematics, Shandong University, Jinan, China.|School of Mathematics, Shandong University, Jinan, China.|School of Mathematics, Shandong University, Jinan, China.|School of Mathematics, Shandong University, Jinan, China.|High Performance Computing Center, University of Arkansas, Fayetteville, Arkansas, United States of America.|Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, Arkansas, United States of America.|Department of Computer Science, Arkansas State University, Jonesboro, Arkansas, United States of America.