matlabjiangyi

在无数点中，寻找一条直线，在高书中用的是两点确定一个直线，而在此用的是对比两个点，然后求平均值，以此类推(In many points, to find a straight line, is used in the two high book to determine a straight line, and in this contrast with the two points, and then averaged, and so on )

四轮转向两自由度模型，测质心侧偏角和横摆角速度(Four-wheel steering two degree of freedom model of center of mass of side-slip Angle and yawing angular velocity measurement)

利用模态叠加法实现对四自由度系统的共振频率与前四阶主振型的求解(The method of modal superposition is used to solve the resonance frequency and the first four main vibration modes of the four degree of freedom system.)

给出了几种求Lyapunov指数的matlab编程方法(Given several requirements Lyapunov exponent matlab programming method)

说明：  BP神经网络用于分类与回归 1、NeuralNetwork_BP_Classification.m - 分类 2、NeuralNetwork_BP_Regression.m - 回归 (BP neural network for classification and regression 1, NeuralNetwork_BP_Classification.m- Category 2, NeuralNetwork_BP_Regression.m- Regression)

prediction - neural network code

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)

无线信道阴影效应和多径效应的MATLAB仿真程序，来自 Modeling the Wireless Propagation Channel(Shadowing and Multipath)

ASK、BPSK、FSK3种调制方式的matlab实现(ASK, BPSK, FSK3 kinds of modulation matlab implementation)

说明：  matlab的mapminmax函数（投影映射），在使用libsvm中没有它总是报错~~(The mapminmax matlab function (projection map), in the use of libsvm not it always error ~ ~)