[Luo, Qian; Xiao, Aiguo; Yan, Xiaoqiang] Xiangtan Univ, Sch Math & Computat Sci, Xiangtan 411105, Hunan, Peoples R China.
[Luo, Qian; Xiao, Aiguo; Yan, Xiaoqiang] Xiangtan Univ, Hunan Key Lab Computat & Simulat Sci & Engn, Xiangtan 411105, Hunan, Peoples R China.
[Luo, Qian; Xiao, Aiguo; Yan, Xiaoqiang] Minist Educ, Key Lab Intelligent Comp & Informat Proc, Xiangtan 411105, Hunan, Peoples R China.
[Luo, Xuqiong] Changsha Univ Sci & Technol, Sch Math & Stat, Changsha 410114, Peoples R China.
[Yan, Xiaoqiang] Xiangtan Univ, Natl Ctr Appl Math Hunan, Xiangtan 411105, Hunan, Peoples R China.