引用本文: | 马天麒, 赵靖宇. 由机械能守恒给出第二类Lagrange方程的探究[J]. 力学与实践, 2017, 39(2): 214-217,174. DOI: 10.6052/1000-0879-16-414 |
Citation: | MA Tianqi, ZHAO Jingyu. Derivation of Lagrange equation from the law of conservation of mechanical energy[J]. MECHANICS IN ENGINEERING, 2017, 39(2): 214-217,174. DOI: 10.6052/1000-0879-16-414 |