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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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fam
FFT accumulation method (FAM) in Matlab
- 2010-02-23 12:57:36下载
- 积分：1
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deinterlace
设计一个去隔行算法。把一段隔行扫描格式的视频序列转换成逐行扫描格式的视频。(Design a de-interlacing algorithm. To a sequence of interlaced video format into progressive scan video format.)
- 2010-06-02 03:40:21下载
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feature
是一些常用的时域特征提取方法，再次进行整合，方便大家的提取(Are some commonly used time domain feature extraction method, integrate again, facilitate everybody extraction
)
- 2013-01-09 14:40:27下载
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cc
说明： 改进神经元自适应的pid控制，采用本算法，全系数的在线修正就不完全是根据神经网络学习原理，而是参考实际经验制定的(Improve the neuron adaptive pid control, the use of the algorithm, the coefficient of online correction is not completely according to the principle of neural network learning, but refer to the practical experience)
- 2014-08-21 20:15:05下载
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11
说明： 一种基于全变差的红外弱小目标背景抑制方法，效果不错(An infrared small target based background suppression total variation method, good results)
- 2014-12-02 15:03:19下载
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complex-network-graph-theory
复杂网络 图论内容重要参考文献 英文文献(complex network graph theory)
- 2015-01-06 13:25:23下载
- 积分：1
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sv22
地震SV波的源代码，得出反射系数，透射系数，转换波的反射系数，透射系数等(SV wave seismic source code, come the reflection coefficient, transmission coefficient, reflection coefficient, transmission coefficient converted waves, etc.)
- 2014-01-01 20:59:22下载
- 积分：1
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matlab-rrt-variants-master
rrt算法及其改进算法，包括rrt-connect，rrt-star，rrt-extend算法等(RRT algorithm and its improved algorithm, including rrt-connect, rrt-star, rrt-extend algorithm and so on)
- 2017-09-24 21:46:16下载
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Digital_PAM_Communications
This is a simple Simulink model for digital PAM in AWGN channels.
- 2010-11-02 00:57:10下载
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