College of Information, Zhejiang Lishui University, Lishui 323000, China;
College of Information, Zhejiang Lishui University, Lishui 323000, China;
Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China;
College of Information, Zhejiang Lishui University, Lishui 323000, China;
Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China;
semi-discrete coupled mKdV equations; extended Jacobian elliptic function expansion approach; discrete doubly periodic solutions; discrete solitary wave solutions;