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牛顿迭代法程序
- 牛顿迭代法求解非线性方程组的源程序
mpiparaw.rar
- 在MPI上用并行LU分解求解线性方程组的源程序。, Decomposes the solution system of linear equations on MPI with parallel LU the source program.
QR_algrithm.rar
- 求矩阵特征值和特征向量的算法：QR算法。用于线性方程组的求解，和反幂法算法的设计,Matrix eigenvalues and eigenvectors of the algorithm: QR algorithm. For linear equations, and anti-power-law algorithm design
shock_tube_problem.rar
- 求解激波管问题等产生的偏微分方程组的各种数值算法。,Shock tube problem solving, such as partial differential equations arising from a variety of numerical algorithm.
E-G.rar
- 改进欧拉法及龙阁库塔法求解一阶常微分方程组的c语言实现,Improved Euler method and Lung Court Kutta method for solving first order ordinary differential equations of the c language
MYFEM.rar
- 有限元求解柏松方程。本文采用FORTRAN语言编制程序。程序中大部分变量采用有名公共区存储方式存储，这样可以减少内存占用量。 IFG：生成有限元网格信息，即元素节点局部编码与总体编码对照表，节点实际坐标，边界节点编码与边界点上的已知值 GKD：生成总刚一维存储对角元的地址，计算总刚一维存储长度 FIXP：设置已知节点函数值 GK(NI,NJ,ADJ,AIJ)：单元刚度矩阵计算 GF(NI,N,M,LE,YI,FE)：单元列阵的计算 AK(I,J,AIJ)：总刚度矩阵元素迭加 QEB
gauss.rar
- 用高斯列主元消元法解下列线性方程组 高斯消元求解一些系数矩阵中含有极小数的情况下，会产生巨大的舍入误差，导致算法失效。一个简单而有效的改进方法是每次在进行将当前列中元素的消成0的运算时，选择当前列j对应的行(j to n)中绝对值较大的一个数作为主元行，这样，误差就会减小很多,PCA with out Gaussian elimination method solution of the following system of linear equations to solve a numbe
szds.rar
- 几种数值代数中求解线性方程组的方法，包括雅克比，G-S，超松弛等,Several numerical linear algebra to solve equations, including Jacobi, GS, such as over-relaxation
conjugategradientmethod.rar
- 给出了线性方程组矩阵Ax=b在并行预处理共轭梯度法求解过程，绝对有用哟,Gives the matrix of linear equations Ax = b in parallel preconditioning conjugate gradient method for solving process, is absolutely useful to yo
gaussLinearEquation
- 列主元高斯消去法，用于求解线性方程组，这里用matlab编写，操作简单方便-Column principal component Gaussian elimination for solving linear equations, where using matlab, simple operation
sor.rar
- 求解线性方程组——超松弛迭代法，程序用c语言编写。,Solving linear equations- over-relaxation iteration method, procedures using c language.
matlabtext4.rar
- 高斯消去法 （1）题目：用选主元素法和高斯消去法求解下列方程组：源代码 设计思想 原理 对应程序,Gaussian elimination (1) Title: The main elements of the election law and the Gaussian elimination method to solve the following equation: The principle design of the source code corresponding to th
alglib-3.4.0.cpp
- 在求解线性方程组(System of Linear Equations)的算法中，有两类最基本的算法，一类是直接法，即以消去为基础的解法。如果不考虑误差的影响，从理论上讲，它可以在固定步数内求得方程组的准确解。另一类是迭代解法，它是一个逐步求得近似解的过程，-we can use several different methods to obtain a solution. If a unique solution is known to exist, and the coefficient m
shuzhifenxi
- 北航数值分析大作业三，功能为用Newdon法求解非线性方程组，Gauss法求解线性方程组，求矩阵的逆，二元二次插值，按最小二乘原则进行二元拟合并自动寻找最小阶数。-Northern analysis of large numerical operations three functions with Newdon method for solving nonlinear equations, Gauss method for solving linear equations, find the
MyRunge_Kutta
- 实现四阶龙格库塔算法，求解非线性方程或是非线性方程组。-To achieve fourth-order Runge-Kutta algorithm for solving nonlinear equations or nonlinear equations.
tridisolve
- 主要用来求解三对角方程组，使用追赶法的原理进行编制，其中A为主对角线下的词对角线，B为主对角线，C为主对角线上的词对角线，D为等式右边的值，代入即可计算出数值-Mainly used for solving tridiagonal equations, using the principle of law to catch up with the preparation, in which the main diagonal A diagonal line under the word, B t
FEMprogram
- 四面体网格划分的有限元计算源代码，在将变形体划分为四面体后，输入节点坐标，程序利用弹塑性本构，将载荷和位移关系转变为线性方程组，是一个很好的求解简单三维变形体的程序，还可输出单元变形量，应力等。-Tetrahedral mesh of the finite element method source code, in the deformed tetrahedron is divided into, the input node coordinates, the program using el
TRAPEZOIDAL-WITH-NEWTON-ITERATION-ALGORITHM
- 本程序提供一种求解刚性微分方程组的算法：具有牛顿迭代的梯形法-This procedure provides an algorithm for solving stiff differential equations: the trapezoidal method with Newton iteration
fsolve
- matlab中fsolve语句数值效果较好，采用的解法是将方程组转化为最小二乘问题，调用指令lsqnonlin求解，所以，它参数的选取和优化指令的用法是一致的-matlab numerical results in fsolve statement better solution is to use the equations into a least squares problem, call the command lsqnonlin solution, therefore, it is p
diedai
- 用雅可比迭代法,塞德尔迭代法,逐次超松弛法求解线性方程组，程序用C语言编写-Jacobi iterative method used, Seidel iteration, successive over-relaxation method to solve linear equations, the program written by C