DFT program developed by C, very practical

一个利用Matlab实现PCA（主成分分析），k_means图像分割很好的例子。-using Matlab a PCA (Principal Component Analysis), k_means image segmentation good example.

常用数值算法集哈，很有用的，请大家多下载哈-commonly used numerical algorithm sets Kazakhstan, and very useful, please download over Kazakhstan

小二乘法合的fortran语言实现，与曲线拟合的fortran实现

趣味问题的程序原代码 海滩上有一堆桃子，五只猴子来分。第一只猴子把这堆桃子凭据分为五份，多了一个，这只 　　　猴子把多的一个扔入海中，拿走了一份。第二只猴子把剩下的桃子又平均分成五份，又多了 　　　一个，它同样把多的一个扔入海中，拿走了一份，第三、第四、第五只猴子都是这样做的， 　　　问海滩上原来最少有多少个桃子？- On the interest question procedure original code beach has pile of peaches, five monkeys divide. The first monkey divides into this pile of peach proof five, many, this monkey has thrown into many in the sea, took away. The second monkey the peach which is left over equally divides into five, also many, it similarly has thrown into many in the sea, took away, third, fourth, the fifth monkey all is does this, asked how many peaches on the beach most is originally unusual?

功能：返回双精度参数的反全余弦的三角函数值 返回返回双精度参数y和x的数值由公式y/x计算的反正切三角函数值-function : to return to double-precision parameters of the whole anti-cosine value of the trigonometric function to return to double-precision parameters x and y values from the formula y/x calculating the arc tangent trigonometry value

3DES德C++源代码，用于测试和学习，3DES算法思路编写的非常清晰，对于初学者非常有用。　　　　　　　　　

给入控制信号，输入输出分辨率 进行放大，分辨率例如1024 768，系统时钟为最高频率的输入时钟，里面包括双线性，还有最近领域法，两种算法的选择是通过一个电平进行控制

绝对精彩，适合初学者-absolutely wonderful, for beginners

一个绝好的数学公式计算类，支持多种数学公式的快速计算-a wonderful class of mathmatica fomula computing,supporting many formulas computing

卡尔曼滤波的基础算法,对初学者有很大的帮助-Kalman filter-based algorithm, there is a great help for beginners ...................