four

图像处理的MATLAB程序，处理图像的骨架(MATLAB image processing procedures to deal with images of skeleton)

离散Hopfield神经网络的分类-高校科研能力的评价，有Hopfield神经网络的详细的M文件程序，适合初学者(Discrete Hopfield neural network classification- the evaluation of university research capacity, the Hopfield neural network of the M-file program, suitable for beginners)

matlab环境下编写的一维激波管问题，用Hll格式和Roe格式求解黎曼问题(matlab environment prepared by the one-dimensional shock tube problem with Hll formats and Roe scheme for solving the Riemann problem)

频率解与动态区域解 频率普分析(Frequency spectrum analysis)

PLS GIVE MATLAB CODING

a code on pattern recognition which has pca as a dimentional reduction and knn as a classifier.

轻松利用hermite插值的GUI界面完成数据的操作，对数学计算和工程仿真都很重要(Easy use Hermite interpolation GUI interface finish data operation, the mathematical calculation and simulation are very important)

本章对该文档的目的、功能范围、术语、相关文档、参考资料、版本更新进行说明。(The purpose of this chapter to the document, functional scope, terms, related documentation, reference materials, updated version will be described.)

Matlab初学者入门教材，轻松掌握Matlab的教材之一(Matlab beginners introductory textbook, easily mastered one of the textbooks in Matlab)

二维的TM波打到一个方形的金属柱上，边界条件为PML(TM wave hit a two-dimensional square metal column, PML boundary conditions)