Gauss_Seidel_task_1a

在matlab中，利用全局阈值对图像进行图像分割，得到有用的区域(Global threshold image in matlab for image segmentation, get useful area)

principal component analysis toolbox

基于非线性方程，由状态方程与观测方程，并求其观测值。(Nonlinear equations, the state equation and observation equation, and find their observations.)

MATLAB语言常用算法程序集（书中涉及的源程序代码） 例如插值、函数逼近、特征值计算等等，，常用的都在这里了(MATLAB algorithms commonly used in assembly language (in the book related to the source code) such as interpolation, function approximation, eigenvalue calculation, etc., are commonly used here)

均匀介质二维声波数值模拟，采用clayton-engquist 1阶边界条件。有公式及参考文献。带有速度模型以及雷克子波函数，解压后直接运行就可以(2D acoustic numerical simulation of a homogeneous medium, using the clayton-engquist 1-order boundary conditions. Formulas and references. With the velocity model and the the Ricker wave function, and can run directly after decompression)

Propeller Design and simulation by matlab/simulink

hough变换检测直线，用matlab自带的houghline程序。(hough line)

单相逆变器，采用双环控制，带非线性负载！(Single phase inverter, using double loop control, with nonlinear load!)

ARX linear model to estimate by OLS the parameters of single endogenous variable as a function of its own q=>1 lags and the p=>0 lags of m=>1 exogenous variable(s).

一种铅笔画绘制的新方法，MATLAB环境，对非真实感有帮助(A pencil drawing of the new method, MATLAB environment, help for non-photorealistic)