本文主要是详细讲解传统数学问题中的背包问题，对于背包问题从九个角度深刻分析，并且提供了较为完善的算法实现，如果对背包问题有研究的话，可以参考本文。-This article is explained in detail in the traditional knapsack problem mathematical problems, for the knapsack problem from the perspective of a profound analysis of the nine, and offer a more comprehensive algorithm, if a study on the knapsack problem, you can refer to this article.