matlab-files-_-photonic-crystals

matlab程序，对图像做选取3*3矩阵的8邻域与中心特征值的像素差，然后按照不同的方式滑动(matlab program, the selected pixels of the image to make the neighborhood and the center differential 8 eigenvalues ​ ​ 3* 3 matrix, and then slide in different ways)

java的时间序列分析代码 Generic Matlab (Mtalb implemention for Generic arogrithm Matlab implemenation)

1.将BMP图像内容读入内存数组。 2. 调整图像的灰度，对图像进行灰度变换（反变换）。 3. 对图像进行较正,分别取值为0.4,0.6,0.8.(1. The BMP image content is read into memory array. 2 Adjust the gray image, the image gray-scale transformation (inverse transform). 3 more positive image, respectively, the value of 0.4,0.6,0.8.)

大地电磁二维Occam反演程序，一维Occam反演，建议用IVF运行。(Occam dimensional magnetotelluric inversion program, a one-dimensional Occam inversion, it is recommended to run with IVF.)

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.)

这是加权网络中节点强度和权重都是幂率分布的模型。(This is a node-weighted network strength and weight distribution are the model of power.)

程序的功能是用海明窗设计低通滤波器，性能指标为wp=0.2pi，ws=0.3pi(The program s function is Hamming window low-pass filter, performance indicators, wp = 0.2pi ws = 0.3pi)

这是HMM的语音识别不用修改就可以使用，很好用希望大家喜欢(This is a HMM speech recognition can be used without modification)

generate artificial acclerogram

This shows that relay power is an important criterion which decides the gain we get from simple relaying as compared to direct transmission.