pei_gt82

说明：  简支梁-车辆模型，用于ansys建模和车桥耦合分析的初级阶段(Simply Supported Beam-Vehicle Model)

提供多种nonlinear dynamics函数，包括bifurcation analysis, 和 chaos analysis.(Function of a variety of nonlinear dynamics, including bifurcation analysis, and chaos analysis.)

读取zygo干涉仪中的dat格式数据，并转化为矩阵格式(Reads the dat format data in the Zygo interferometer and transforms it into a matrix format.)

说明：  Group delay calculation

国外最近的一篇变步长nlms仿真，该文件有文中的几种仿真，包括基本的仿真，信道突变下的追踪性能和语音回声消除的性能分析(Recent foreign nlms a variable step simulation, the file has the text of several simulations, including basic simulation, channel tracking performance under mutation and voice echo cancellation performance analysis)

Levenberg Marquardt算法的matlab代码,简洁无误,结构清晰,便于快速学习。( LevenbergMarquardt algorithm matlab code, simple and correct, clear structure, easy to learn quickly.)

有限元法边界元法求解二维散射问题，非常有用(Finite element method for solving two-dimensional boundary element method scattering problem, very useful)

基于自适应在线遗传算法整定的PID控制,每个采样时间分别对PD参数进行整定(based on adaptive online genetic algorithm tuning PID control, sampling each time the PD parameters tuning)

试试你的运气。随机输入0到9之间的四个数，看看你能得到多少公牛，多少母牛，嘿嘿。(Try your luck. Random input between 0 to 9 the number of four to see how much bull you can get, how many cows, hehe.)

数值分析计算课程的部分习题答案，有matlab编程，希望对大家有用。(some small matlab codes .)