matlab-for-differential-equations

说明：  介绍MATLAB使用的相关知识和技巧，对入门者比较有用。(MATLAB introduce the use of relevant knowledge and skills useful for beginners comparison.)

用于函数逼近的BP算法程序，可在Matlab中调试运行，绝对可行(For function approximation of the BP algorithm procedure can be run in debug Matlab is absolutely feasible)

说明：  EM 算法是Dempster，Laind，Rubin于1977年提出的求参数极大似然估计的一种方法，它可以从非完整数据集中对参数进行 MLE估计，是一种非常简单实用的学习算法。这种方法可以广泛地应用于处理缺损数据、截尾数据以及带有噪声等所谓的不完全数据，可以具体来说，我们可以利用EM算法来填充样本中的缺失数据、发现隐藏变量的值、估计HMM中的参数、估计有限混合分布中的参数以及可以进行无监督聚类等等。(EM algorithm is a method for maximum likelihood estimation of parameters proposed by Dempster, Laind and Rubin in 1977. It can estimate parameters from incomplete data sets by MLE. It is a very simple and practical learning algorithm. This method can be widely used in dealing with the so-called incomplete data such as defective data, censored data and noisy data. Specifically, we can use EM algorithm to fill missing data in samples, find hidden variable values, estimate parameters in HMM, estimate parameters in finite mixed distribution, and so on. Unsupervised clustering and so on.)

使用MATLAB开发环境，来 实现人脸识别(fase recognition)

对图像进行直方图均衡的matlab程序示例。里面有图像处理前后直方图对比，代码简单易懂。(Histogram equalization)

An image-based classification application satisfying all the aims above has been implemented. It allows for flexible evaluation of SVM classification of facial expressions for arbitrary user-defined emotion categories and various SVM settings.

牛頓案例，主要是以matlab軟件來運算標準題型。(Newton s case, mainly matlab software to compute the standard questions.)

基频提取程序，已经运行成功，可以直接使用。(Fundamental frequency extraction procedure has been run successfully, can be used directly.)

使用神经网络实现对函数sin(x1)/x1*sin(x2)/x2的模拟，代码为matlab代码，输入为二维数组，输出为一个数，结果误差为0.225左右,(Using neural networks to function sin (x1) Analog/x1* sin (x2)/x2, the code for matlab code, enter a two-dimensional array, the output is a number, the result error is about 0.225,)

运用matlab实习动态规划中的逆序算法的例题及matlab程序，对程序也有很详细的解析说明(To use matlab internship Reverse Algorithm of dynamic programming examples and matlab program, the program is also detailed analysis)