一个好的主动学习和半监督学习的多项算法matlab例程

Image processing question that may come in any image processing seesion. Will help to undrstand what actually nedd to know wheile doing image processing as well as clustering.

this is the linearized model of the power system

在非线性光纤光学的必须仿真方程，包括spm，xpm以及损耗的薛定谔方程。其中有10多个小仿真程序，以及其中用到的函数。(Must the simulation equation in nonlinear fiber optics, including the SPM, XPM and depletion of the schrodinger equation.There are more than 10 small simulation program, and the use of the function.)

地球物理数值计算方法中有限单元法的基本知识和地震波传播正演模拟的应用。(Geophysical methods of numerical finite element method calculation of the basic knowledge and forward modeling of seismic wave propagation applications.)

Speed Control of a DC Motor Using BJT H-Bridge This demonstration illustrates simulation of a H bridge used to generated a chopped voltage and control speed of a DC motor, in open loop, in both directions

说明：  有限元方法编程matlab程序源代码，很好的(Finite element method matlab programming source code, well)

Chapoly 通过求矩阵特征多项式的根来求其特征值. pmethod幂法求矩阵的主特征值及主特征向量. rpmethod瑞利商加速幂法求对称矩阵的主特征值及主特征向量. spmethod收缩法求矩阵全部特征值. ipmethod 收缩法求矩阵全部特征值 dimethod位移逆幂法求矩阵离某个常数最近的特征值及其对应的特征向量 qrtzQR基本算法求矩阵全部特征值. hessqrtz海森伯格QR算法求矩阵全部特征值. rqrtz瑞利商位移QR算法求矩阵全部特征值. (Chapoly characteristic polynomial by the root of a matrix to find the eigenvalues. Pmethod power method of a matrix eigenvalue and the principal eigenvectors. Rpmethod Rayleigh quotient accelerated power method Symmetric matrix eigenvalue and the principal eigenvectors. Spmethod contraction Law of the value of all the characteristics of a matrix. ipmethod contraction method the value of all the characteristics of a matrix inverse power law dimethod displacement from a constant of a matrix eigenvalue and its corresponding nearest feature vectors qrtzQR all the characteristics of the basic algorithm the value of a matrix. hessqrtz Heisenberg QR algorithm is the value of all the characteristics of a matrix. rqrtz Rayleigh quotient shift QR algorithm is the value of all the characteristics of a matrix.)

matlab几种典型的混沌吸引子，经典中的经典！谢谢！！！(matlab several typical chaotic attractor, the classic of classics! Thank you! ! !)

有关于滑模变结构的S函数的例程2，用来学习S函数结构(About SMVSC S-function routines 2, S-function structure for learning)

MATLAB实现截屏的小程序,能够进行部分截取(MATLAB implementation applet screenshot)