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Digital image processing-using MATLAB(MATLAB source code, from the book"Digital image processing-using MATLAB" by the Zhang Defeng.)

用于计算灰度系统GM（1,1）,计算关联度、残差和预测结果等内容，欢迎指正。(useful to solve the GM promblem. )

系统参数优化算法，可以用于系统的pid参数寻优，在matlab可以直接寻优(System parameter optimization algorithm can be used for the pid of the system parameter optimization, optimization in matlab can)

二维声波传播过程模拟，采用一定合适的吸收边界条件(2D acoustic propagation simulation with PML boundary)

这里包含了几种用matlab编的神经网络的程序(Here includes several series using matlab neural network procedures)

说明：  神经网络的计算，包括训练和测试两部分，利用的是最小均方误差算法。(Nerual network calculation,including training and working part,utilizing MMSE algorithm.)

研究对象为一个房间温度，利用卡尔曼程序估计实际室温，一分钟一个温度值。(The research object is a room temperature, using the kalmanfilter to estimate the actual room temperature, one minute with a temperature value)

东方红乐曲，基本语调，但是有点改进，只是最基本的(music for a famous songs in China!Please enjoy it!)

this code of matlab finds the roots of equation by gauss elimination mthod

pvc主成分分析的matlab代码谁需要的自行下载 (the codes of pvc)