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采用了cocos2d和chipmunk的DEMOCrayonBallDemo，精选ios编程学习源码，很好的参考资料。(Using cocos2d and chipmunk DEMOCrayonBallDemo, select learning IOS programming source code, a good reference.)

BP神经网络用于函数拟合与模式识别，基于SVPWM的三电平逆变的matlab仿真，包括压缩比、运行时间和计算复原图像的峰值信噪比。( BP neural network function fitting and pattern recognition, Based on SVPWM three-level inverter matlab simulation, Including compression ratio, image restoration computing uptime and peak signal to noise ratio.)

this file contains codes of many examples in c

动态数组的实现， mutablearray 与array 的区别， 以及跳出循环的过程(The implementation of dynamic arrays, the difference between mutable arrays and arrays, and the process of jumping out of the loop)

实现从用户引导界面到主界面的 过度功能，流程是： 1.从splash画面过渡到引导画面； 2.引导画面放置5张图片，5张图片介绍应用的功能使用点； 3.用户可左右滑动图片，当滑动到最后一张时，画面出现一个点击按钮“进入”； 4.点击进入按钮有开门效果，打开门后进入到主界面。(Boot from the user interface to the main interface over the process: the transition from the splash screen to the boot screen boot screen is placed 5 pictures 5 pictures describes the application of function point-of-use 3. Sliding around pictures, slide to the last one, the screen appears a click of a button " entry" 4 Click the button to open the door effect, opened the door into the main interface.)

基于TI公司2812DSP的感应电机无速度传感器控制，是非常有前景的一个方向(The sensorless control of an induction motor based on DSP 2812 of TI, which has a good prospective in research and industry)

ios iCarousel 多种滚轮效果，方便易用(ios iCarousel)

用objective-c写的扫雷游戏，很经典，涉及到了很多知识，尤其是算法(Written in objective-c minesweeping game, classic, design a wide range of knowledge, especially in the algorithm.)

UITableView的使用，苹果开发专用(how to use UITableView,iPhone dev)

MacOS APP 开发, 基础控件的介绍与学习(MacOS APP Development, Introduction and Learning of Basic Controls)