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用最小二乘法解一个或多个非线性方程。
- LMFNLSQ2求解一个或多个超定的非线性方程 在最小二乘意义上,打印雅可比矩阵和经过的时间(LMFNLSQ2 Solve one or more of (over)determined nonlinear equations % in the least squares sense, prints Jacobian matrix and elapsed time)
微分方程解析解
- 用matlab求微分方程解析解的小示例,可以求解微分方程 附教程。(A small example of solving analytical solutions of differential equations by Matlab can be used to solve a tutorial for differential equations.)
12_球坐标系中的赫姆霍兹方程的解
- 球坐标下的赫姆霍兹方程在matlab下求解(Solving the Herm Holtz equation under the spherical coordinates under Matlab)
二维波动方程的有限差分法
- 二维波动方程的有限差分法,与解析解进行了误差比对(Finite difference method for two-dimensional wave equation)
Matlab解微分方程(ODE+PDE)
- MATLAB解常微分方程和偏微分方程求解器介绍,算法和用法。结合几个有代表性的案例,一步步讲解,非常简单、清楚,明了(MATLAB solutions to ordinary differential equations and partial differential equations solver, algorithm and usage. A few representative cases, step by step, are
龙格库塔法解振动方程
- 运用龙格库塔法-ode45求解一个多自由度的振动方程,得到振动的时域响应曲线(Using Runge Kutta method, -ode45 solved a multi degree of freedom vibration equation, and obtained the time domain response curve of vibration.)
ch05 非线性方程求解
- 非线性方程是指含有指数和余弦函数等非线性函数的方程,例如, 与线性方程相比,无论是解的存在性,还是求解的计算公式,非线性方程问题逗逼线性问题要复杂的多,对于一般线性方程,既无直接法可用,也无一定章程可寻。(Nonlinear equations is refers to the index and cosine function equation of nonlinear functions, such as, for example,
Van der Pol非线性微分方程的解与图形
- Van der Pol非线性微分方程的解与图形(Solutions and graphs of Van der Pol nonlinear differential equations)
方程求根
- 包含了牛顿迭代法解非线性方程以及非线性方程组求解,多项式求根的MATLAB的M文件(Newton's iterative method is used to solve nonlinear equations and solve nonlinear equations. The M of MATLAB is the root of polynomial.)
matlab动力学分析程序详解
- matlab动力学分析程序详解,微分方程的求解,时间历程的绘制(Matlab dynamic analysis program detailed solution, differential equation solution, time history drawing)
程序
- 最基本的解常微分方程的方法,包括欧拉法、泰勒级数法、多步法、隐式法、Rung-kutta法等(The basic methods for solving ordinary differential equations include Euler method, Taylor series method, multistep method, implicit method, Rung-kutta method, etc.)
numerical-algorithms
- matlab 实现几个常用的解线性方程组的数值算法。包括共轭梯度法、预处理共轭梯度法、SOR、Lanczos.(matlab implementation of several commonly used numerical algorithm for solving linear equations. Including the conjugate gradient method, preconditioned conjugate g
Kaczmarz_Algorithm
- Kaczmarz_Algorithm算法迭代求解方程,适用于欠定和超定方程组(Kaczmarz_Algorithm. Iterative solution of equations is applicable to underdetermined and overdetermined equations.)
有限体积法解雷诺方程
- 使用于有限体积法求解雷诺方程,程序运行没问题,提供给大家参考学习(The finite volume method is used to solve the Reynolds equation. The program runs well.)
杜芬方程解的小程序
- Dufing方程是一种重要的动力系统山,是反映工程物理系统中非线性现象和混沌动力学行为的极其重要的方程式。通过Duffing方程可以探讨铁磁谐振电路中的分岔、拟周期运动、子谐波振荡。而在非线性与混沌系统的研究中,Duffing方程展示了丰富的混沌动力学行为。本文通过对不同情况下的Duffing方程进行分析,利用MATLAB进行仿真,从而对Duffing方程有进一步的了解。(Dufing equation is an important
work
- 解方程数量大于未知数数量的超定方程matlab代码(a matlab code to sovle the overdetermined equation set)
matlab 常微分方程数值解法 源程序代码
- 11.1 Euler方法 380 11.1.1 Euler公式的推导 380 11.1.2 Euler方法的改进 383 11.2 Runge-Kutta方法 385 11.2.1 二阶Runge-Kutta方法 385 11.2.2 三阶Runge-Kutta方法 388 11.2.3 四阶Runge-Kutta方法 390 11.2.4 隐式Runge-Kutta方法 391 11.3
偏微分方程(PDEs)的MATLAB数值解法
- matlab 解偏微分方程 数值解法 pdf(matlab Solution partial differential equations Numerical solution)
cacul
- 基于MATLAB仿真模块用于求解多自由度振动方程的精确解。(It is used to solve the exact solution of the vibration equation of multiple degrees of freedom.)
偏微分方程的数值解法的程序
- 偏微分方程数值解法的MATLAB程序汇总(Summary of MATLAB program for numerical solution of partial differential equation)