example11_7

说明：  This function is used by Newton s Method for systems and by Broyden s Method

数字信号处理，关于FFT和ifdt的代码(Digital signal processing, and FFT on the code ifdt)

小波去噪的matlab程序。有三种阈值选择方法：标准的，强制的，自己设置的。(Wavelet denoising matlab program. There are three kinds of threshold selection method: standard, mandatory, set up their own.)

用scilab（和matlab一样，只是非常小）实现希尔密码的加密与解密(With scilab (and matlab, only very small) the achievement of Hill of encryption and decryption)

source code of train function of fuzzy bp neural network

实现一个完整的粒子群算法，这个函数就是PsoProcess(A complete particle swarm algorithm, this function is PsoProcess)

基于对数的置信度传播算法的LDPC译码程序，ldpc_decode.m (Based on the number of belief propagation algorithm for LDPC decoding process, ldpc_decode.m)

code for converting colored image to gray

这是一款基于Matlab2016年版本的UPS电力电子装置的仿真图，通过Simulink来运行，然后可以显示电流电压和开关管的波形，有很好的可视化(This is based on the Matlab2016 version of the UPS power electronic device simulation diagram, through the Simulink to run, and then can display the current and voltage and switch tube waveform, a good visual)

使用FPE准则，绘制不同阶数的FPE值，确定最优阶数(Using the FPE criterion, the FPE values of different orders are plotted, and the optimal order is determined)