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VC实现常微分方程初值问题求解
- 讲述如何利用VC的编程来求解微分方程的一种思想-VC on how to use the programming to solve a differential equation thinking
四种差分方法求微分方程
- 差分法求解微分方程:古典显式法,收敛性最差;古典隐式法;Crank-Nicolson法,收敛性最好-difference method to solve the differential equation : Explicit classical method, the worst convergence; Classical implicit; Crank-Nicolson, the best convergence
常微分方程求解
- 包括欧拉法求解、改进欧拉法求解、经典四阶龙格库塔法求解,同时还有这三种方法的结果比较
fit
- 用差分方程或数值微分解决简单的实际问题。 实验3 插值与数值积分 l 插值问题提法和求解思路 l Lagrange插值的原理和优缺点 l 分段线性和三次样条插值的原理和优缺点 l 用MATLAB实现分段线性和三次样条插值 l 梯形、辛普森积分公式的原理及MATLAB实现 l 数值积分公式的误差——收敛阶的概念 l 高斯积分公式 l 广义积分与多重积分 l 用插值和数值积分解决
numerical_analysis_homework
- (有源代码)数值分析作业,本文主要包括两个部分,第一部分是常微分方程(ODE)的三个实验题,第二部分是有关的拓展讨论,包括高阶常微分的求解和边值问题的求解(BVP).文中的算法和算例都是基于Matlab计算的.ODE问题从刚性(STIFFNESS)来看分为非刚性的问题和刚性的问题,刚性问题(如大系数的VDP方程)用通常的方法如ODE45来求解,效率会很低,用ODE15S等,则效率会高多了.而通常的非刚性问题,用ODE45来求解会有很好的效果.从阶次来看可以分为高阶微分方程和一阶常微分方程,高阶的
NumODE
- 清华大学数学实验之微分方程的数值求解幻灯片与MAT源码-Tsinghua University, Experimental Math Numerical Solution of Differential Equations MAT slides and source code
solvingdifferentialequations
- 有关求解微分方程的代码 常微分方程的matlab解法-using matlab to solve normal differential equations
Fourth-orderRungeKutta-rule
- 四阶龙格-库塔法则求解微分方程,四阶龙格-库塔法则求解微分方程-Fourth-order Runge- Kutta rule for solving differential equations, fourth-order Runge- Kutta rule for solving differential equations
a
- 用有限元法求解微分方程,虽然有时方程不一样,但是思路是一样的。-The finite element method for solving differential equations, though sometimes not the same equation, but the idea is the same.
numerical
- 按显示R-K算法编制任意m级显式R-K程序,用四阶或五阶的方法解决方程求解常微分方程的求解问题。-The use of R-K method for solving equations of the mathematical model
ch8soft
- 牛顿和拉格朗日求解微分方程的数值程序,是计算中常用的Fortran语句。-Newton and Lagrange numerical procedure for solving differential equations
matlab偏微分方程求解
- 扩散对流方程求解了人体白细胞在人造血管材料表面的流动和迁移过程求解和分析(The diffusion convection equation is used to solve the flow and migration process of human leukocyte on the surface of artificial vascular material)
CONTROL
- 使用adams法和R-4K法求解微分方程,并且比较精度(Adams method is used to solve differential equations, and the accuracy is compared)
偏微分
- 通过该程序可以求解偏微分方程,对数学计算有很大的用处(Partial differential equations can be solved by this program)
微分方程数值解
- 求解微分方程以及各种数学实验matlab程序实现(Solve differential equations and a variety of mathematical experiments matlab program to achieve)
]偏微分方程的数值解法的程序
- 用于偏微分求解,大家可以看看。。。。。。。(For partial differential solution, you can see.)
常微分方程
- 运用fortran求解常微分方程,1.利用四阶龙格库塔法,计算t每增加h时,利用给定方程先找到变量y的k1和变量p的K1,然后利用公式得到y的k2和p的K2,如此,得到变量y的k1,k2,k3,k4和变量p的K1,K2,K3,K4(Solving Ordinary Differential Equations by Fortran)
微积分和微分方程
- 利用MATLAB进行微积分和微分方程的求解计算,包括:常微分方程、 符号微分方程、高斯积分法、矩形域高斯二重积分等。(MATLAB is used to solve calculus and differential equation, including ordinary differential equation, signed differential equation, gaussian integral method, gaussian double integral in recta
微分方程求解————————matlab
- 常微分方程的数值解法,设计到欧拉解法,欧拉改进解法,矩阵解法等等(Ordinary differential equation numerical solution, design to euler solution, euler improved solution, matrix solution and so on)
椭圆型偏微分方程生成O型网格
- 基于椭圆型偏微分方程生成二维NACA0012翼型的O型网格并求解流场(Generation of O-grid of two-dimensional NACA0012 airfoil and solution of flow field based on elliptic partial differential equation)