搜索资源列表
lsq
- The module LSQ is for unconstrained linear least-squares fitting. It is based upon Applied Statistics algorithm AS 274 (see comments at the start of the module). A planar-rotation algorithm is used to update the QR- factorization. This makes it
NumericalAnalysis
- 使用matlab进行数值分析时重要的参考资料，具体包含内容可以看英文描述-This text is written primarily for students/readers who have a good background of high school algebra, geometry, trigonometry, and the fundamentals of differential and integral calculus. This text includes the fol
excellentprocedureorthesolutionofequations
- 一个优秀的解方程组的程序比如超定方程，病态方程。是我在做项目时遗留下来的，上传给大家使用！-An excellent procedure for the solution of equations such as over-determined equation, ill-conditioned equations. Yes I was doing projects left behind, upload for everyone to use!
errestools
- 用来估计病态线性方程组正则化求解时的误差。-To estimate the error of regulation method for the ill-conditioned system of linear equations
newLUok
- 数值分析中LU分解的程序，程序采用选取主元的方法有较高的精度，对病态矩阵也有较好效果-LU decomposition of numerical analysis procedures, procedures used to select principal components method with high accuracy, on the ill-conditioned matrix has good results
newQRok
- 数值符号计算中利用QR分解求解方程的程序，经过病态矩阵的验证，程序有较高的精确性-Symbolic computation in numerical solving equations using QR decomposition process, through the ill-conditioned matrix of validation, the program has high accuracy
threebus
- Easy to edit weighted least squares algorithm implemented on a 3 bus test transmission network. Includes both bus and branch data. This can be also implemented on any other test transmission network that s not ill-conditioned.
tsvd
- 截断奇异值分解技术是一种正则化方法，用于不适定问题的数值计算-Truncated Singular Value Decomposition is a regularizaiton method for ill-conditioned problem computation.
solution
- 病态方程组的数值解法，Guass，Jacobi，SOR iteration，conjugate gradient method-numerical solution of ill-conditioned system of equations，Guass，Jacobi，SOR iteration，conjugate gradient method
primal_dual
- 全变差求解病态线性方程组的算法说明及其Matlab上的实现代码，在反演问题中常常会用到，全变差正则化具有边界识别强的特点，在图像去噪和恢复方面很有价值！-Total Variation solving ill-conditioned linear equations Matlab algorithm descr iption and implementation code on the inverse problem will often be used, total variation reg
sor
- SOR法求解病态线性方程组的MATLAB源代码-SOR method for solving ill-conditioned linear equations MATLAB source code
gongetidufa
- 一种共轭梯度法的matlab函数，可以用于求解病态的线性方程组，提高求解精度.还提供了算法的介绍文档-A conjugate gradient method of matlab function, can be used to solve ill-conditioned linear equations, improve the accuracy of solving
OVM
- A Dynamical Tikhonov Regularization for Solving Ill-posed Linear Algebraic Systems.pdf，以上论文提出的求解病态线性方程组的一种较新梯度下降法-A Dynamical Tikhonov Regularization for Solving Ill-posed Linear Algebraic Systems.pdf, more than one paper proposes solving ill-conditi
csvd+ttls
- ttls的正则化方法，适用于各种病态反问题的求解(The regularization method of ttls is applicable to solving various ill conditioned inverse problems)
ILP
- 病态线性方程组的一些求解算法，包括传统的CG，CGLS，CGNR，LSQR和较新的OVM算法，它们都是一些迭代算法。(Some solving algorithms for ill conditioned linear equations include conventional CG, CGLS, CGNR, LSQR, and newer OVM algorithms, all of which are iterative algorithms.)
tikhonov
- 解病态方程的正则化方法、逆问题不适定解的处理与正则化(Regularization method for solving ill conditioned equations)
L曲线法
- 用MATLAB编写的病态方程的L曲线解决方法，可以通过L曲线确定所需的参数。(MATLAB prepared by the ill conditioned L curve solution, you can determine the required parameters through the L curve.)
pr_reg
- 多种最优化方法的集合函数，包括吉洪诺夫正则化算法等。(mutilple method for inverse problem, mainly to solve ill-conditioned system of linear equations.including Tikhonov regularization method.)
ill-conditioned system of equations
- 分别用几种经典的数值分析迭代算法求解线性方程组(Solving linear equations by several classical numerical analysis iterative algorithms)
线性方程组计算
- 利用高斯消元法法求解病态矩阵——hilbert 矩阵的线性方程组。通过条件数分析，找出误差较大的原因。再利用 Jacobi 迭代方法、G-S 迭代方法和 SOR 迭代法做了进一步探究。另外，作为要求之外的，还使用共轭梯度法来求解方程以来进行对比，并利用Tikhonov 正则化的方法改善矩阵的条件数，来减小误差。(The Gauss elimination method is used to solve the linear equations of the ill conditioned mat