机译:哈密顿形式主义中的离散变分原理和第一积分
Department of Physics, Chaohu College, Chaohu 238000, China;
Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China;
Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China;
Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China;
discrete mechanics; Hamiltonian system; Noether's theorem; first integral;