hierarchical

matlab/s函数的应用，有兴趣的读者可以一起交流。(matlab/s function of the application, interested readers can join the exchange.)

说明：  粒子群算法解决一般优化问题 简单实用可以有效的解决优化问题(Particle Swarm Optimization algorithm to solve the general problem)

GMDH_main为GMDH主函数； variable_Combin为输入层初始变量选为x1,x1^2,x1*x2,x2^2,x2时的输入变量矩阵值 variable_select计算X_train训练输入数据,Y_train训练输出数据,X_test测试输入数据,Y_test测试输出数据 Combin为求变量的两两组合 Sym_Combin为求符号变量的两两组合 PE_AIC求每层各神经元的参数估计W，及训练数据在参数估计后估计的输出out_train，测试数据在参数估计后的估计输出out_test，还有与实际比较的误差平方和PESS， 以及准则值AIC sym_representation求最终的输入输出符号表达式 Criterion_value求准则值 (GMDH_main main function for the GMDH variable_Combin initial variables chosen for the input layer, x1, x1 ^ 2, x1* x2, x2 ^ 2, x2 the value of the input variable matrix calculation X_train variable_select training input data, Y_train training output data, X_test test input data, Y_test for the sake of the test output data Combin pairwise combination of variables for the sake of symbolic variables Sym_Combin pairwise combinations PE_AIC neurons find each parameter estimation of the W, and after the training data is estimated in the estimation of output out_train, test data After the parameter estimates of the output estimated out_test, also compared with the actual sum of squared errors PESS, as well as the final criterion value AIC sym_representation seek the input and output values ​ ​ of symbolic expressions Criterion_value find criteria)

nice and compact file for generating 1D bifurcation plot

计算信号的短时傅里叶变换。用法见函数说明。(Short-time Fourier transform calculation signals. Usage See function description.)

本文描述了APSK的调制与解调算法，并进行了仿真，希望对大家有一定的帮助。(This paper describes the APSK modulation and demodulation algorithm and simulation, we hope to have some help.)

程序仿真了两种（ZF,MMSE）Vblast接收机的检测性能，绘制误比特率～信噪比曲线。(ZF,MMSE,两种检测算法的性能blast testing program, the price ZF, MMSE detection algorithm in the performance of four )

灰度等值线图matlab实现 灰度等值线图matlab实现1(gray contour map Matlab to achieve gray contour map to achieve a Matlab)

海洋内波压力波时间序列分析程序。用于分析海洋内波，去除高低平潮。(Ocean wave pressure wave in time series analysis program.Is applied to the analysis of ocean internal waves, get rid of the high and low tide.)

cvx工具箱，适用于windows 64位，官网还可下载其他版本，具体参考文件夹doc中pdf(cvx toolkit for windows 64 bit official website can also download other versions, with specific reference to the folder in pdf doc)