nmf

............Two dimensional plot

完整的mat格式的USPS手写字府库，里面包括7291个训练样本和2007个测试样本(USPS handwritten database of mat format,include 7291 cases for training and 2007 cases for testing.)

对函数插值的理解与运用，重在掌握插值语句的使用与认识(On the understanding and use of the interpolation function, focusing grasp and understanding of the use of interpolation statement)

移动窗函数法提取实验面波频散曲线的程序，基于matlab编程(surface wave dispersion curve)

使用四种方法进行鸢尾花分类：最小距离分类器，K 近邻法，感知器，Fisher 准则。(Four methods are used to classify iris: minimum distance classifier, K-nearest neighbor method, perceptron and Fisher criterion.)

说明：  该教程将matlab和线性代数结合起来，重点介绍矩阵的使用(This tutorial will combine matlab and linear algebra, focusing on the use of matrices)

可以实现FFT变化的时域图分析，可以清楚的知晓信号随时间的规律变化(Changes can achieve FFT time domain analysis, the signal can be clearly aware of the law change with time)

image source method old

cholesky decomposition - matrix / vector linear system problem solving a code

产生LFM信号-分析其频谱-运用频域匹配滤波器.m(LFM signal is generated- An analysis of the spectrum- the use of the frequency domain matched filter m.)