chap2

2D FDTD simulation code

用guide实现图片浏览器的制作，具有现成图片浏览器的全部功能，实用方便(With a guide to achieve the production of photo browser, photo viewer with a shelf full functionality, practical and convenient)

能够进行各向异性的差分等效介质（Differential Effective Medium Model）理论，获得各向异性介质的弹性张量(This programme could be used to build anisotropic elastic model by anisotropic Differential Effective Medium Model)

激光谐振腔中激光模式的仿真，包括不同腔型(Simulation of the laser mode in the laser cavity, including the type of cavity)

一本关于MATLAB编程的经典英文教程，教你如何写出最简洁的matlab代码(MATLAB programming a classic English tutorial, teach you how to write a simple matlab code)

二次规划是最优化理论中非常重要的内容之一，该文件夹内是二次规划经典算法的matlab源码。(Quadratic programming optimization theory is a very important element of the folder is the classic quadratic programming algorithm matlab source code.)

说明：  singular value decomposition

piv测速的matlab代码的说明和解释，此为流场piv测速的开源代码的具体说明(piv Speed of matlab code, instructions and explanations, this is the velocity flow field piv specification of open source code)

The MATLAB M-file plots the level crossing rate for an input signal using the lcr function.

本文件包含了William Stallings编写的优秀教材Data and Computer communications的中文影印版，以及书中的课后习题答案(This document contains the William Stallings excellent teaching materials prepared by Data and Computer communications photocopy version of the Chinese, as well as after-school book answer Exercises)