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郑君里编著的信号与系统，书中各种原理的MATLAB仿真与MATLAB仿真的步骤，例程。(Junli edited signals and systems, various principles of the book MATLAB simulation and MATLAB simulation steps, routines.)

利用Matlab编写的组合高斯带通滤波器，可以对图像进行滤波操作。(Matlab prepared by the combination of Gauss bandpass filter, you can filter the image operation.)

1. 608组样本，第一列数字是标号，第二列数字是出现损坏的时间，第三列表示数据有效性，为0有效 2. 损坏时间是对数正态分布的，需要拟合 3. 求均值80%置信区间 4. 成本为m，价格为s，保证盈利20%，选取保修期 5. 比较保修期和拟合数据的均值 6. 若保修期就是拟合损坏时间的均值，求出利润率 loadd.m：加载样本数据，并选取有效数据 period.m：加载成本、价格数据，计算利润和保修期的关系(1.608 groups of samples, the first number is the label, the second column number is the time to appear damage, the third list shows the validity of the data, which is 0 effective. 2. damage times are logarithmic normal distribution and need to be fitted 3. mean in 80% confidence interval 4. the cost is m, the price is s, the profit is 20%, the warranty period is selected. 5. compare the mean value of the warranty period and the fitting data 6. if the warranty period is to fit the mean damage time, the profit rate is calculated. Loadd.m: load the sample data and select the valid data Period.m: loading cost, price data, and calculating the relationship between profit and warranty period)

说明：  Matlab数值积分,包含多种积分的源程序 CombineTraprl 复合梯形公式求积分 IntSimpson 用辛普森系列公式求积分 NewtonCotes 用牛顿－科茨系列公式求积分 IntGauss 用高斯公式求积分 IntGaussLada 用高斯拉道公式求积分 IntGaussLobato 用高斯—洛巴托公式求积分(Matlab numerical integration, including a variety of points of the source CombineTraprl composite trapezoidal formula for integration by Simpson IntSimpson series with the formula for Newton NewtonCotes points- Coats IntGauss series with the formula for Gaussian integration formula for points IntGaussLada high for points formula Slaven Road with Gaussian IntGaussLobato- Lobato integral formula for)

this is a code for triangular membership function in fuzzy logic

在二维空间中变步长的LMS算法 (Adaptive filtering )

粒子群优化算法的源程序代码 经验证是可行的(Personal collection of a directed acyclic graph support vector machine for multi-classification problems)

WPA CRACK for learning

微分方程的求解，matlab源程序，用于各种微分方程的求解！(For differencial equation)

Boosting algorithm that can be used as classifier