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This code provide a sample of neural network with Boltzman

主要内容包括matlab 语言基础、MATLAB程序设计基础、各种数值计算方法程序，可为MATLAB初学者提供学习指导。(The main contents include basic language matlab, MATLAB programming foundation, various numerical methods and procedures, MATLAB provides guidance for beginners to learn.)

GPS的RMC、CGATT等格式帧的数据定位解析(GPS locate)

这是一个课程设计的MATLAB代码，他是一个利用尺度法和测度法快速计算一般分形图形分形维数的程序，只能处理qvxUgk格式和FQJouCh的分形图形，运行效率高。 (This is a course designed MATLAB code, he is a use of scales and measurement method for rapid calculation of general fractal graphics fractal dimension of the program, can only handle qvxUgk format and FQJouCh fractal graphics, high operating efficiency. )

本例用五点差分法求解一个二阶偏微分方程，其间用CG法处理，此实验可分别选取N=4，8，16，32(This example uses a five-point difference method for solving second order partial differential equations, during treatment with CG, were selected for this experiment can be N = 4,8,16,32)

说明：  基于matlab的指纹识别程序，识别效果不错，欢迎大家借鉴。(Based on Matlab fingerprint recognition program, the recognition effect is good, welcome to learn.)

MATLAB code to Import a gray scale image Decompose it into two-three sub bands,Reconstruct the original image the different subbands

电力系统工具的源文件，主要是包括了电力系统中交直流互联系统的模型，包括四机两区域(Simple and bacterial foraging optimization algorithm, mainly used for the optimization of the PID control, and can be run directly)

fft of sampled signal

对测试信号进行emd 分解，计算其在各个频带中的能量分布(The EMD of the test signal is decomposed, and the energy distribution in each frequency band is calculated)