易采桥 周露珠 于诗函 摘 要:定積分是微积分中解决实际问题必不可少的工具,通过具体事例说明定积分在由边际函数求原函数、由边际函数求最优问题、解决国民收入分配等经济学方面的应用。 关键词:定积分;经济学;实际应用 Abstract:In definite integral calculus is the necessary tools for solving practical problems, through concrete examples in definite integral by marginal function to function, and the marginal function for the optimal problem, solve the national income distribution, etc. The application of economics. Key words:Definite integral;economics;The practical application |