boshuxingcheng

Optimization Bee algorithm

using graphics in matlab

说明：  数值方法和MATLAB实现与应用 很不错的书籍(matlab)

Wavelet denoising For using this code need to use signal toolbox and general toolbox in your matlab In the first part of this assignment, we asked to obtain a (black-and-white) digital image of size 512 by 512 and then generate noisy image by adding a Gaussian noise but under the condition of having SNR=20dB by select the suitable value of variance for Gaussian noise formula. Second step is performing wavelet denoising using the hard thresholding (Use the db 6 for four levels) in the condition of finding the optimal thresholding value of T in terms of the SNR obtained. It means that, we should find the highest SNR value by finding the suitable value for threshold. Then we asked to do the same process but this time using soft thresholding. Finally for the last part of question one, we should compare the results of the obtained SNR with the recommendations of 3*sigma for the hard thresholding and 3/2*sigma for the soft thresholding.

光纤LP模式,光纤模式计算，纤芯模式，有效折射率(Fiber LP mode, fiber mode calculation, fiber core mode, effective refractive index)

how to realise the KSW

对于初学matlab者，MATLAB教程应该有较好的帮助，(matlab help)

matlab实现共轭梯度法源代码，有助于初学者学习最优化课程(matlab conjugate gradient method to achieve source code.)

Short code to create shading around a mean. Input is a matrix with rows of observations

近似熵m文件 保证正确运行 绝不骗人(ApEn m file to ensure correct operation will not lie)