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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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Tetra_Sim
基于于MATLAB的π/4 - DQPSK系统仿真源程序，非常有用(Based on MATLAB-π/4- DQPSK system simulation source code, very useful)
- 2010-05-07 22:24:29下载
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harddecision
采用汉明码的BPSK仿真程序，译码使用硬判决，仿真给出误码率曲线(BPSK simulation procedures, the use of hard-decision decoding, given BER simulation curve)
- 2007-03-20 22:01:34下载
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001Matlab
很好的matlab2014编程，关于视频图像处理，分帧处理(Good matlab 2014b programming on video image processing, sub-frame processing)
- 2015-04-15 15:31:38下载
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建立了脉动风作用在风力发电机塔筒上的相关程序 windspetrum
根据相应风谱理论，建立了脉动风作用在风力发电机塔筒上的相关程序，并进行力相应的验证，此程序根据实际操作，具有可用性(The related procedure of pulsating wind acting on tower barrel of wind generator)
- 2020-06-22 01:00:01下载
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bipartite8_type2
本程序是围长为8的QC-LDPC码设计，包括了4、6、8环的检测(This program is the girth of 8 QC-LDPC code design, including the detection of 4,6,8 ring)
- 2011-04-28 19:27:56下载
- 积分：1
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ga
遗传算法及其matlab实现，具体的实例代码(Matlab genetic algorithm and its implementation, the specific code examples)
- 2013-10-30 20:30:49下载
- 积分：1
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adaptcluster_kmeans_2
Adaptive k means clustering code
- 2015-02-18 16:41:41下载
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一个好用的8点法求解基础矩阵开源程序
研究生时的现代信号处理的作业，LDPC码的完整的编译码，双向PCS控制仿真，通过matlab代码，wolf 方法计算李雅普诺夫指数,基于混沌的模拟退火算法。
- 2022-04-06 17:49:16下载
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simulatedannealing
数学建模美赛德经典算法MATLAB 源码之退火算法(MCM s very important algorithm simulated annealing)
- 2010-02-10 13:08:59下载
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