分别用4单元和16单元有限元法求解左端固定、右端自由的等直杆（截面积为 ，弹性模量为 ，密度为 ，杆长为 ）在1/4杆长处的稳态响应并与精确解进行对比（假设1/4杆长处集中载荷 激励）（要求MATLAB编程计算，附程序清单）

基于matlab的小波包分解应用于机械振动信号的故障分析-Used in failure analysis of mechanical vibration signals based on the Matlab wavelet packet decomposition

经验模态分析（EMD）的MATLAB计算算法，经验模态分析是机械振动分析领域的重要方法-matlabAn Unforgettable ChallengeWhen I was ten years old, I began to chat with foreigners. But I was very shy. Gradually, I became more and more confident with foreig.