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有一学生成绩管理数据库如下表，要求建立一SAS数据集score，并输出显示 创建一个新的数据集class，新增平均成绩aver变量和等级考评grade变量，grade的值是根据aver值的大小给出A、B、C、D四个等级，并显示新数据集class(A student achievement management database as the table, called for the establishment of a SAS data set score, and output display create a new data set class, add an average score aver evaluation variables and grade level variables, grade values are based on the size of a aver value the A, B, C, D four grades, and displays the new data set of class)

A matlab code for ideal air properties

Matlab时频分析技术及其应用书源代码(Matlab time-frequency analysis technology and its applications book source code)

整数规划的matlab代码，常用的优化工具！(Integer programming matlab code, commonly used optimization tools!)

matlab中的阶比仿真程序，应用于数值分析，和大家一起学习。(matlab in the order than the simulation program, used in numerical analysis, and we learn together.)

基于matlab的有限元分析源程序，用于结构静力分析(Finite element analysis of source code based on matlab for structural static analysis)

Trigonometric functions using MATLAB to achieve power spectral analysis

说明：  TIMIT语音数据库,希望给语音研究者提供帮助。(TIMIT speech database, I want to give help to the researchers of voice .)

LDA 算法入门 黄晟2010-04-03 重庆大学行业信息化工程中心(LDA algorithm Started Huang Sheng 2010-04-03 Chongqing University Engineering industry information center)

使用模拟退火算法（SA）解决TSP问题的Matlab代码(use SA for solving TSP problem)