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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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Optimal-design-of-PID-parameter
说明: 研究基于粒子群算法控制系统PID参数优化设计方法以及对PID控制的改进。( study the optimal design of PID parameter of the control system based on Particle Swarm Optimization and find a way to improve the PID control. )
- 2011-04-18 19:37:41下载
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work
偏微分方程Matlab解法
通过此方法可解决各种由差分法进行求解的过程。(Partial Differential Equations Matlab solution
)
- 2012-04-15 08:43:40下载
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matlabyingyong
MATLAB及其在理工课程中的应用-课程讲义第一章和第二章,包含主要函数与命令文档,方便编程时学习和查找(MATLAB and Its Application in Engineering Course- Course Training Manual Chapters I and II, contains the main function with command documentation to facilitate programming to learn and find)
- 2010-05-26 18:59:13下载
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Continuous-system-discretization
连续系统离散化,欧拉梯形公式、三阶龙格-库塔法、汉明积分法、状态转移法(Continuous system discretization Euler trapezoid formula, the third-order Runge- Kutta method, Hamming integration method, the state transition method)
- 2012-06-22 23:26:38下载
- 积分:1
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10-4
智能控制(刘金琨版)第10章第4题课后练习MATLAB程序(Intelligent Control (Hangzhou Press Edition) Chapter 10 Homework Question 4 MATLAB program)
- 2015-04-10 09:43:45下载
- 积分:1
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小波变换
说明: 对于一般心电信号和脉搏波波形进行多重分解和重构回原来波形(Multiple decomposition and reconstruction of general ECG and pulse waveforms)
- 2020-06-29 18:40:01下载
- 积分:1
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PSO
基于matlab的PSO软件包
PSOt为PSO的工具箱,该工具箱将PSO算法的核心部分封装起来,提供给用户的为算法的可调参数,用户只需要定义好自己需要优化的函数(计算最小值或者最大值),并设置好函数自变量的取值范围、每步迭代允许的最大变化量(称为最大速度,Max_V)等,即可自行优化。(PSO soft for matlab
)
- 2010-09-17 10:34:26下载
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fft_and_pwelch
脉动风速时程的matlab功率谱估计,汉宁窗法(power spectrum)
- 2021-03-21 09:19:17下载
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DC_DC_PWM-RECTIFIER1
DAB型全桥DC-DC变换器与3相PWM型变换器级联仿真,可用于充放电系统及新能源领域,实现能量的双向流动。(DAB full-bridge DC-DC converter with three-phase PWM converter cascade simulation model can be used to charge and discharge systems and new energy field, two-way flow of energy.)
- 2020-11-20 00:09:37下载
- 积分:1