policygradientlibrary

1.分别在两个图中画出δ(n)和δ(n-2)，其中-10≤n≤10，画出U（n）其中-10≤n≤10。 2.分别在两个图中画出x1(n)=cos(2π×20×0.01×n)，0≤n≤10和x2(n)=(0.8)n，1≤n≤6。 3.由上一题，计算y(n)=x1(n)+x2(n)，并画图。(1. Draw the figure at two δ (n) and δ (n-2), where-10 ≤ n ≤ 10, draw the U (n) where-10 ≤ n ≤ 10. 2. Respectively in the two Draw the figure x1 (n) = cos (2π × 20 × 0.01 × n), 0 ≤ n ≤ 10 and x2 (n) = (0.8) n, 1 ≤ n ≤ 6. 3. from the previous question, calculate y (n) = x1 (n)+ x2 (n), and drawing.)

MATLAB函数大全，可以很快的找到所需函数及其功能(MATLAB function Guinness, you can quickly find the required function and its function)

在数值微积分中讨论并比较了没有初等函数解析式情况下的 定积分数值逼近的(Discussed in the numerical integration and compared the analytic situation is not under the primary function of integral numerical approximation of the rectangular method, trapezoidal method, Simpson' s method and Coates law)

香农费诺编码的matlab源代码，比较详细，可做参考(Shannon Fenno encoding matlab source code Shannon Fenno encoding matlab source code)

电力开式网中含变压器分接头调压计算的前推后代潮流算法(Electricity open network computing with transformer tap regulator before pushing offspring flow algorithm)

最小二乘支持向量机,用于多元非线性回归分析,非线性拟合与预测(Least squares support vector machine for multi-linear regression analysis, nonlinear fitting and prediction)

用于疲劳分析应力应变循环计数的雨流计数程序 采用matlab语言编写(Fatigue Analysis rain flow counting procedures matlab)

用matlab编写的TVD格式一维激波管问题，包含黎曼问题精确解，Hll格式和Roe格式，采用minmod，vanleer等多种限制器(TVD scheme using matlab one-dimensional shock tube problems, including Riemann problem exact solution, Hll formats and Roe format using minmod, vanleer other limiters)

该书详细介绍了数学建模中最基本、使用最为广泛的算法，同时附上了相应的例子进行分析，对于数学建模初学者来说，用处很大。(The book details some of the most basic mathematical modeling, the most widely used algorithms, together with the corresponding example analysis, mathematical modeling beginners very useful.)

matlab中广义最小残量法的m文件 包含arnoldi过程 和 gmres两部分 (matlab generalized minimum residual method m file contains arnoldi the process and gmres two parts)