目录引言11.求解一个多元函数的条件极值…2.函数极值的相关概念……52.1函数极值的概述……52.1.1一元函数的极值…2.1.2二元函数的极值……52.1.3多元函数的极值…53.二元函数极值点的判定…3.1...

teachingAbstract The classification discussed ideas method for teaching and research,the use of theliterature survey method,classroom observation and questionnaire survey,get the r...

目录引言..1问题的提出1.1研究背景、意义1.1.1研究背景1.1.2研究意义1.2国内外研究现状.…1.2.1国内研究现状1.2.2国外研究现状2思维与数学思维....................2.1相关概念的界定2.1.1思维2...

AbstractAs an important part of reverse thinking,counterexample plays an indispensablerole in mathematics.When we want to prove some definitions and theorems,teachersshould use cou...

On the application of convexity of function in middle school mathematics problemsolvingAbstract In recent years,the investigation of this knowledge point about the convex function ...

目录1前言…11背景和意义…12本文研究的主要内容………12幂级数的基本知识…………22.1幂级数的定义………22.2幂级数的收敛区间…22.3幂级数的性质…2.4函数的幂级数展开……624.1泰勒公式…2.4...

定义2.1.2酉矩阵：若一个n×n阶的复数矩阵U满足U=AHA=E,其中矩阵E为n阶单位矩阵，AH为U的共轭转置，则称U为酉矩阵0，定义2.1.3对角矩阵：在矩阵中，如果除了主对角线，其它元素均满足等于0的条...

AbstractAfter the gradual popularization of quality-oriented education,the importance ofintegrating the history of mathematics into the teaching of mathematics has beenconstantly i...

目录1引言.31.1微积分的发展史31.2黎曼积分与勒贝格积分的引入.32黎曼积分与勒贝格积分的定义.52.1黎曼积分的定义.52.2勒贝格积分的定义.62.3黎曼积分和勒贝格积分定义区别与联系.73黎曼积分与...

AbstractThe first order equation is an important content of junior high schoolmathematics,and it is also a key link that closely links mathematics with real life,which plays an imp...