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％ EM algorithm for k multidimensional Gaussian mixture estimation ％ ％ Inputs: ％ X(n,d) - input data, n=number of observations, d=dimension of variable ％ k - maximum number of Gaussian components allowed ％ ltol - percentage of the log likelihood difference between 2 iterations ([] for none) ％ maxiter - maximum number of iteration allowed ([] for none) ％ pflag - 1 for plotting GM for 1D or 2D cases only, 0 otherwise ([] for none) ％ Init - structure of initial W, M, V: Init.W, Init.M, Init.V ([] for none) ％ ％ Ouputs: ％ W(1,k) - estimated weights of GM ％ M(d,k) - estimated mean vectors of GM ％ V(d,d,k) - estimated covariance matrices of GM ％ L - log likelihood of estimates ％( EM algorithm for k multidimensional Gaussian mixture estimation Inputs: X (n, d)- input data, n = number of observations, d = dimension of variable k- maximum number of Gaussian components allowed ltol- percentage of the log likelihood difference between 2 iterations ([] for none) maxiter- maximum number of iteration allowed ([] for none) pflag- 1 for plotting GM for 1D or 2D cases only, 0 otherwise ([] for none) Init- structure of initial W, M, V: Init.W, Init.M, Init.V ([] for none) Ouputs: W (1, k)- estimated weights of GM M (d, k)- estimated mean vectors of GM V (d, d, k)- estimated covariance matrices of GM L- log likelihood of estimates)

一维激波管初学小程序，供初学者参考，比较容易看懂。(One-dimensional shock tube novice applet for beginners, and relatively easy to understand.)

C Primr Plus书中所有例题的代码，很有使用的价值。(C Primr Plus all the examples of the code book, very use value.)

天线近场到远场的变换，可实现近场采样数据到远场方向图数据的转换(antenna near field data to far field)

利用Matlab编程计算最短路径及中位点选址(Calculated using Matlab programming shortest path and site location)

controller design using matlab

homework 3-3 is difficult

范数优化迭代学习代码，可以运行，效果非常好(norm-optimal iterative learning control)

調頻鑒頻的二階鎖相環，作圖得出環路濾波器幅頻響應曲綫和PLL線性相位模型的閉環響應曲綫。(PLL)

用于512点循环卷积，采用的是重叠保留法，和重叠相加法(For the 512-point circular convolution, using overlapping retention law, and overlap-add method)