Matlab-Codings

先进PID控制matlab仿真源代码，典型实例具体说明，清晰易懂。（第二章）(Advanced PID control matlab simulation source code, more typical examples of specific instructions, clear and easy to understand.（Chapter 2）)

In signal processing, a window function (also known as an apodization function or tapering function[1]) is a mathematical function that is zero-valued outside of some chosen interval. For instance, a function that is constant inside the interval and zero elsewhere is called a rectangular window, which describes the shape of its graphical representation. When another function or waveform/data-sequence is multiplied by a window function, the product is also zero-valued outside the interval: all that is left is the part where they overlap, the view through the window .

x0 = ones(2,2) Make a starting guess at the solution options = optimset( Display , off ) Turn off Display [x,Fval,exitflag] = fsolve(@myfun,x0,options) The solution is x = -0.1291 0.8602 1.2903 1.1612 Fval = 1.0e-009 * -0.1619 0.0776 0.1161 -0.0469 exitflag = 1 and the residual is close to zero. sum(sum(Fval.*Fval)) ans = 4.7915e-020

为非常经典的zs细化算法，带有测试图片和matlab程序，可对测试图片进行zs细化(is the classical zs thinning)

离散信号的时域分析，输出各种离散信号的波形图，有利于各初学者理解揣摩(Time domain analysis of discrete signals, the output waveform of various discrete signals, try to figure out is conducive to the beginner to understand)

PSAT for distribution network

矩阵计算中求逆中的gauseidel算法 速度比jacobi快多了(Inverse matrix calculation algorithm in gauseidel much faster speed than jacobi)

利用MATLAB对原始数据特征提取（数据降维）((Data dimensionality reduction of raw data feature extraction using MATLAB))

含NWP数值天气预报和不含NWP数值天气预报的BP神经网络预测风电功率两种方法进行比较，含数据，实际案例。(With and without NWP NWP Numerical Weather Prediction NWP BP neural network prediction of wind power are two methods were compared with the data, the actual case.)

Crops and non-crops image segmentation using K-MEANS clustering and then classification made by KNN classifier