Some Techniques on Lim Sup and Lim Inf

Abstract

Mathematics is the study of natural science necessary tools, while the math can not do without limit, at the same time natural limit itself is also an essential tool in scientific research. To thoroughly solve the problem of limit need to sup limit and inf limit on the range of skills. This article is in the familiar mathematical analysis course, on the basis of the limit of the sup limit and inf limit on ultimate skill.