定積分在經(jīng)濟(jì)學(xué)中的應(yīng)用

易采橋 周露珠 于詩(shī)函

摘 要：定積分是微積分中解決實(shí)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(guó)民收入分配等經(jīng)濟(jì)學(xué)方面的應(yīng)用。

關(guān)鍵詞：定積分；經(jīng)濟(jì)學(xué)；實(shí)際應(yīng)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