NonlinearFittingTID

Least square approximation to solve numerical analysis problems using m file matlab program can solve least square for n order of equations

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)

Analyze performance of 3D FDFD algorithm for large systems.

说明：  基于matlab中的simulink，进行16QAM的仿真搭建。包括了基带信号发生器，串/并模块，模块1，载波调制模块，高斯白噪声信道，模块2，误码率计算器等，能够较好地实现16QAM的调制解调。(Based on the Simulink of MATLAB, the simulation of 16QAM is built. It includes baseband signal generator, serial / parallel module, module 1, carrier modulation module, Gaussian white noise channel, module 2, bit error rate calculator and so on. It can achieve 16QAM modulation and demodulation well.)

计算混沌潜入维数的Cao方法，包括原始方法与改进的自适应方法(Into the calculation of Chaos Dimension Cao methods, including the original method and improved adaptive method)

eemd的程序和论文，使用方法，都能很全，很不错(eemd program and papers,very good)

本代码是针对《合成孔径雷达成像：算法与实现》书后光盘的CSA实现(This code is for " synthetic aperture radar imaging: algorithm and implementation," the book the disc to achieve CSA)

this code explains the bpsk and qpsk program. in simulink design...

医院导航优化算法，减少导航时间，提高导航效率，进行分析。(Hospital navigation optimization algorithm, reduce navigation time, improve navigation efficiency, and analyze.)

第一个是CDMA伪随机序列的自相关。第二个是CDMA系统。(The first is the pseudo-random sequence CDMA autocorrelation. The second is the CDMA system.)