PID_PPC

LIBSVM2.84源代码注释文件，主要包括内存分配cache类和核函数kernal类。(LIBSVM2.84 source code annotations files, mainly including the allocation of cache memory kernel kernal classes and class.)

标准差分进化算法的MATLAB实现，有一个简单的函数，可以直接运行(MATLAB standard differential evolution algorithm to achieve, there is a simple function, can be run directly)

examples contain source codes about PID control

正六边形边界条件下的热扩散（自由扩散）的模拟(regular hexagen B.C. )

alpha nueric characters detect

matlab 中用来将rgb数据转换成灰度图像的源代码(matlab used to the rgb data into gray-scale image of the source code for)

matlab file newly created

说明：  这个代码是关于神经网络的matlab代码，我觉得效果不错。(This code is on the neural network matlab code, I think good results.)

C4.5决策树算法，可以进行数据分类，是数据挖掘的经典算法(C4.5 decision tree algorithm, data classification, is a classic data mining algorithm)

说明：  运用相移延拓的方法有效地模拟地震波在介质中的传播路径。(Extension of the use of the phase shift method can effectively simulate seismic wave propagation path in the medium.)