frmGoodsInventory

说明：  利用C语言中二维数组，向用户索取一个矩阵并判断用户输入的矩阵是否为对称矩阵。(Using two-dimensional array in C language, a matrix is obtained from the user and whether the matrix input by the user is a symmetric matrix is judged.)

说明：  将解压后文件夹中的jetbrains-agent.jar文件放到你所安装的pycharm目录下的lib文件夹中，然后打开pycharm，在License Activation激活界面，选择Active，选择Activation code，粘贴文件夹中所提供的激活码，点击ok，激活成功！解压后有Word教程(Put the jetbrains-agent.jar file in the unzipped folder into the Lib folder under the pycharm directory you installed, then open pycharm, in the license activation activation interface, select active, select activation code, paste the activation code provided in the folder, and click OK to activate successfully!Word tutorial after decompression)

说明：  解决齿轮非线性问题，可以求解分岔特性，分析分成情况(Solving nonlinear problems)

说明：  光伏逆变电源并网，并网光伏发电完整模型，用来进行PSCAD仿真(Grid-connected Inverter Power Supply)

UML语言构建的电梯管理系统(UML Elevator Construction Management System)

简单的landweber迭代算法，可应用于一维、二维图像重建。(Simple landweber iterative algorithm can be applied to one-dimensional andtwo-dimensional image reconstruction.)

包括贪吃蛇，俄罗斯方块，扫雷，推箱子，连连看，拼图六款小游戏代码(Including the Snake, the Russian box, mine clearance, Sokoban, Lianliankan, six puzzle game code)

针对.jpg文件的图片隐写算法实现，图片隐写jsteg算法，matlab实现。(Picture steganography)

delphi常用OCX控件,包括delphi编程常用大多数控件-delphi common OCX controls, including the most commonly used controls delphi programming

说明：  手写数字程序实现源代码，matlab，吴恩达，数据集没有(Handwritten digital program to achieve source code, matlab, Wu Enda, data set no)