Abstract: In real life, there are many problems with conditional constraints, which can be regarded as constrained optimization problems. The difficulty in solving this type of problem lies in how to ...

Cheng, R. , Liu, J. , Hao, L. and Wu, D. (2026) On the Application of the Infinitesimal Method to Two Categories of Problems in College Physics. Open Journal of Social Sciences, 14, 378-389. doi: ...