一个简单的计算器示例

2D Savitzky-Golay Smoothing Differentiation Filter-2-D Savitzky-Golay (SG) Smoothing and Differentiation Filter. The filter coefficients are calculated from the decomposation property of the 2-D SG filters. In addition, the filter coefficients for mixed partial derivative can be obtained by this function. h=sgsdf_2d3(x,y,nx,ny,d,flag_coupling)x = x data point, e.g.,-3:3 (both odd-length

蓝牙ROK 101 007 介绍了模块的功能和电路设计，-South Korea 101 007 Bluetooth module describes the features and circuit design,

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该文档包括了c语言中最常用的库函数的基本用法，对于c语言爱好者有一定的帮助。-the document include the c language most commonly used for the basic function of usage, c language lovers can help.

类似windows的扫雷- Similar windows mine clearance

从老外文章里看到一种基于分类器的人脸检测方法，好不容易搞到这个人脸图像训练集和测试集，现在贡献出来，希望对做人脸检测的朋友有帮助（图像比较全，有彩色人脸图像）-from generals saw an article based on the classification of face detection method finally got the facial image training set and test set, now contribute, hope to the human face detection and friends to help (the whole picture, color facial image)

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利用灰色系统进行预测的几篇好论文: BP神经网络_灰色系统联合模型预测软基沉降量 非线性时间序列神经网络预测方法的研究及应用 股票投资价值灰色马尔可夫预测 股票投资价值灰色系统模型及应用 灰色关联神经网络模型在股指预测中的应用 灰色理论与模型及在车辆拥有量预测中的应用 灰色神经网络交通事故预测比较 灰色神经网络预测模型的应用 灰色-神经网络综合预测模型-Gray prediction system using a few good papers: BP neural network system _ a joint model gray soft ground settlement prediction of nonlinear time series prediction method of neural network research and application of the gray value of equity investments Markov prediction value of the equity investments of the gray system Application of gray relational model and neural network model in forecasting stock gray theory and model and prediction of vehicle ownership in the application of gray neural network traffic prediction compare gray neural network prediction model of the application of gray- the integrated neural network prediction model

一个练习打字的游戏，字母下落，恩与字母相同的键就可以大落字母。-a practice typing games, in alphabetical whereabouts TU with the same letters on the keys can drop large letters.