C++写的DTMF算法

c中常见的数值计算程序，在此拿出来是为了大家更好的理解，切磋！-c common numerical procedures, in this show is for everyone to better understand, learn!

A Kalman filter is a stochastic , recursive estimator , which estimates the state of a system based on the knowledge of the system input, the measurement of the system output, and a model of the relation between input and output.

杭州电子科技大学在线系统ACM的2037题，用贪心方法解决-Hangzhou University of Electronic Science and Technology ACM-line system of the 2037 title with a greedy solution

应用背景  STM32F103  硬件IIC可用于AT24C02  PCF8591  和IIC电调通信，稳定性好，基本不会当机，移植方便  关键技术  用库函数写的，方便新手看懂，硬件IIC保障信号的稳定性，比模拟IO口稳定 

本程序新建complex类，并将数学库里的“+”“-”“*”“/”符号运算进行重载，使其适用范围从实数扩展至复数。-the new complex procedures category, Mathematics, 13-17 and the """-""*""/" symbol for heavy computation, from the scope of the application is extended to a number of plural.

卡尔曼滤波简介

另一个分形程序，代码绝对值得一读，运算速度是我见过最快的-procedures, code definitely worth a read computational speed is the fastest I have seen

这是使用布谷鸟搜索算法解决TSP问题的代码示例，了解TSP解决方案的效果，提高个别表达的效率稳健性。

平方筛 验证质数的方法，很快-square screen test standard method soon

FORTRAN编写的差分程序，用于计算偏微分方程，有用。-FORTRAN differential preparation procedures used to calculate the partial differential equations, useful.