定積分在經(jīng)濟學中的應用

易采橋 周露珠 于詩函

摘 要：定積分是微積分中解決實際問題必不可少的工具，通過具體事例說明定積分在由邊際函數(shù)求原函數(shù)、由邊際函數(shù)求最優(yōu)問題、解決國民收入分配等經(jīng)濟學方面的應用。

關鍵詞：定積分；經(jīng)濟學；實際應用

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