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Chapter6
数值解法
例1 用改进的欧拉方法求一阶方程初值问题的
数值解
例2 数学摆的运动方程与近似方程数值解比较
例3 四阶龙格库塔公式求数值解
Matlab实现求数值解
例1 求初值问题y =x*sin(x)-y,y(0)=0的数值
解.先编辑一个定义方程的ODEF函数文件
ODEfun1.m.
例2 求方程组初值问题的数值解,按指定步长
0.05划分节点.
例3 按指定的精度求高阶方程初值问题的数值解.(Numerical Solution of the law a method of using the improved Euler' s equation of order to a first-order initial value problem of the numerical solution of cases of two mathematical pendulum equations of motion compared with the approximate numerical solutions of equations of three cases of fourth-order Runge-Kutta numerical solution of the formula Matlab order to achieve the numerical solution of demand cases seeking an initial value problem y ' = x* sin (x)-y, y (0) = 0 the numerical solution. first, the definition of an equation editor ODEF function file ODEfun1.m. cases of two demand equations initial value problem of numerical solution, according to the specified division of the node step 0.05. Example 3 according to the specified precision of seeking higher-order equation of the numerical solution of initial value problem.)
- 2010-02-05 23:14:41下载
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Analysis-K-SVD
经典论文PDF“Analysis K-SVD: A Dictionary-Learning Algorithm for the Analysis Sparse Model”及其工具箱,对学习K-SVD很有帮助(Classic paper PDF " Analysis K-SVD: A Dictionary-Learning Algorithm for the Analysis Sparse Model" and its toolbox, useful for learning K-SVD)
- 2014-01-12 23:34:44下载
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deblurring
用charal函数实现对加噪降晰图像的反降晰.charal函数实现约束最小二乘法的算法,其中alpha(1/lamda)由Charalambous确定.反降晰的图像相对于降晰加噪图像清晰度有所提升,但是反降晰的图像存在较为明显的寄生波纹。(Deblurring the blurred image with noise by using Charal function. Charal function implements constrained least squares algorithm, where alpha (1/lamda) is determined by Charalambous. Compared to the blurred image, the sharpness of the image deblurred has improved, but obvious parasitic ripples arise.)
- 2013-12-02 18:55:00下载
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MATLAB.
MATLAB图形技术—绘图及图形用户接口,本书主要介绍matlab绘图技术,通俗易懂。(MATLAB graphics- drawing and graphical user interface, this book introduces the matlab graphics, easy to understand.)
- 2010-08-20 08:48:23下载
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cyclic
Implementation of cyclic coder and decoder using matlab
- 2010-03-12 16:24:33下载
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yule_walkemethodPSD
基于yule_walker方程的空间谱估计算法,对学习空间谱估计与天线阵列的朋友会有帮助:)(yule_walker equation based on the spatial spectrum estimation algorithm right learning space spectrum estimation antenna array and friends will be helpful :))
- 2007-04-11 21:37:20下载
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创建裂纹
说明: 通过修改inp文件,用于对abaqus的模型进行自动创建裂纹的程序(by modifying inp. file, used for create a crack in abaqus model)
- 2020-06-30 12:20:02下载
- 积分:1
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newtraph
Newton-Raphson root finding - single function
- 2010-10-26 18:39:13下载
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time-varying-VAR
本软件是时变的VAR模型,能够考察变量间的冲击效应,及其结构变化特征,是较为理想的时间序列工具。(This software is a time-varying VAR model is able to examine, impact effect among the variables, and structural changes, is the ideal time series tools.)
- 2014-09-04 09:50:33下载
- 积分:1
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kmeans_clustering
对KMEANS算法进行matlab实现,有数据支持(On KMEANS algorithm matlab realize, there are data to support)
- 2013-12-13 22:13:54下载
- 积分:1