已经一整数n，求1！+2!+3!+4！+5！+6！+……+n！，n<1

牛顿迭代法求平方根,  .doc的格式，c语言，好像有点简单哈，目前手中这个好找，过一阵再传个复杂的 ~~~

学编程没多久，没事写着连习。-school program not long, with nothing to read even Xi.

列主元高斯消去法-out PCA Gaussian Elimination

常用算法的C程序。主要内容包括多项式的计算、复数运算、随机数的产生、矩阵运算、矩阵特征值与特征向量的计算、线性代数方程组的求解、非线性方程与方程组的求解、插值与逼近、数值积分、常微分方程组的求解、数据处理、极值问题的求解、数学变换与滤波、特殊函数的计算、排序和查找。-Commonly used algorithm of C procedures. Include polynomial terms, complex computation, random number generation, matrix operations, matrix eigenvalue and eigenvector calculations, linear algebra equations, nonlinear equations with the equations, interpolation and approximation, numerical integration, solving ordinary differential equations, data processing, for solving extremum problems, mathematical transformation and filtering, the calculation of special functions, sorting and search.

该程序用来处理微分方程系统的,用来化简一个微分系统的,特别是高维的系统,用来计算中心流行-The procedures used to deal with differential equations system for the simplification of a differential system, especially high-dimensional system, used to pop Center

本人收集的DSP处理例子程序－数字录音程序-I collect examples of DSP processing procedures-digital recording procedures

C++动态规划的算法例子，找零钱的经典问题编程-C++ Dynamic programming algorithm for example, to find the classic problem of small change programming

this Matlab Circular convolution file name is circonv.m-this is Matlab Circular convolution file name is circonv.m

应用背景Pwm在控制系统中普遍应用，stm32可以方便的产生PWM信号关键技术stm32通过定时器time3产生四路不同占空比的PWM信号，可根据自己的需要改变周期或占空比。 

示例随机数产生方法，符合平均分部和正态分部，示波器显示-random sample method, in line with the average Division and the normal divisions, oscilloscope shows