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Description: 一个用fortran90写成的BVP（ODE）的求解器，作者是写matlab函数bvp4c的作者。原理差不多。不过这个版本是用f90写的，运算速度更快。本包内含如何运这些程序的论文及算例，很好上手。-In the declarations part of this module, we first define the BVP_SOL type, which represents the numerical solution. We next define the interface BVP_INIT, which is overloaded to provide a number of functions for allowing the user to specify initial information for the computation, the interface BVP_EXTEND, which is overloaded to provide functions for extending the numerical solution to a new domain that are useful in the context of parameter continuation, and the interface BVP_EVAL, which is overloaded to provide a function for retrieving solution information. Next a number of global variables employed throughout the code are defined.
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Size: 649216 |
Author: 刘项 |
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Description: 根据matlab的bvp4c函数的例子思想方法，求解特征值和特征函数，可以解变积分边界的问题，但是须给一个比较精确的初特征值。此为自编程序，已经标明注释。所附为bvp4c相关例子（此从matlab帮助文件节选）。-use the matlab solver bvp4c to obtain the both eigenvalues and eigenfunctions of BVPs, an exact initial eigenvalue is needed.
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Size: 51200 |
Author: 刘项 |
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Description: 利用matlab的BVP4C程序包求解波动方程，得到电场和电子密度的二维分布。-The BVP4C package using matlab solving the wave equation, two-dimensional electric field and electron density distribution.
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Size: 3072 |
Author: Wendy |
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Description: In MATLAB, usually we use function bvp4c() to solve boundary value problem (BVP) of ODE. However, we also can use function ode45() to solve BVP of ODE too. However, ode45() needs all initial values at one point. Therefore we have to construct an auxiliary function, whose input argument is the missing initial value and the return output is the given boundary value, Then we can call function fsolve() to get the missing initial value. This method is particularly efficient it the ODE has one or more parameters. Also this method is essentilal for GNU Octave, because whose function bvp4c() is not programmed for parameter ODE yet.-In MATLAB, usually we use function bvp4c() to solve boundary value problem (BVP) of ODE. However, we also can use function ode45() to solve BVP of ODE too. However, ode45() needs all initial values at one point. Therefore we have to construct an auxiliary function, whose input argument is the missing initial value and the return output is the given boundary value, Then we can call function fsolve() to get the missing initial value. This method is particularly efficient it the ODE has one or more parameters. Also this method is essentilal for GNU Octave, because whose function bvp4c() is not programmed for parameter ODE yet.
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Size: 82944 |
Author: delin |
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Description: 此程序是由matlab函数中。bvp4c的应用，用于解决微分方程的边值问题，有利于学生，或工程师来应用-This program is designed by the matlab function. bvp4c application used to solve the differential equations of the boundary value problem, benefit students, or engineer applications
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Size: 1024 |
Author: 姜茂盛 |
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Description: matlab求解高阶偏微分方程边界问题，包括bvp4c.m，license.txt和-matlab solving warned partial differential equations of the border issue, bvp4c，sparse2.mexw32
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Size: 233472 |
Author: hitasdfxia |
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Description: 高精度的matlab求微分方程组的边值问题的bvp6
c的解算器，精度高于常用的bvp4c。-bvp6c solver for ode bvps in matlab
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Size: 668672 |
Author: 蔡琰 |
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Description: matlab 端面抽运高功率双包层光纤激光器数值仿真，利用bvp4c（）解两点边值问题。-matlab end-pumped high power double-clad fiber laser numerical simulation using bvp4c () BVP for the solution.
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Size: 1024 |
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Description: 最优控制算法案例的Matlab完整详解，利用bvp4c函数，可解决最优控制中两点边值问题，非常有参考价值！根据此程序，可解决大部分最优控制问题的程序设计和求解！-The optimal control algorithm Matlab complete case in detail, the use of bvp4c function, which can solve the optimal control of the two-point boundary value problem, a very valuable! According to this procedure, can solve most of the optimal control of the program design and solution!
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Size: 1024 |
Author: jin |
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Description: 最优控制算法案例的Matlab完整详解，将自由时间问题转化为状态量方程，并利用bvp4c函数解决最小时间优化问题、终端约束问题，非常有参考价值！-The optimal control algorithm Matlab complete example of the case, the free time problem into the state of the equation, and the use of bvp4c function to solve the minimum time optimization problems, terminal constraints, very valuable!
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Size: 1024 |
Author: jin |
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Description: 用matlab的bvp4c函数求两点边值问题，简单易学(Bvp4c for two-point boundary value problem, easy to learn)
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Size: 13312 |
Author: 马英成
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Description: matlab提供了边值问题求解器bvp4c（）用于求解边值问题的数值解，bvp4c（）采用带自适应网格的高阶差分法来求解边值问题，首先给出可调用的常微分方程组函数以及残差的边值条件函数，这些函数都必须返回一个列向量。(Matlab provides the numerical solution of the boundary value problem solver bvp4c () for solving the boundary value problem. Bvp4c () uses the high order difference method with adaptive grid to solve the boundary value problem. First, we give the invocable ordinary differential equation set function and the residual boundary value condition function. These functions must return a column vector.)
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Size: 1024 |
Author: lulu810 |
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