共轭梯度法 Resources

Showing items tagged with "共轭梯度法"

% Implementation of SSOR preconditioned conjugate gradient method for solving Ax=b % Input parameters: % A - positive definite matrix [n*n] % b - right-hand side vector % omega - SSOR preconditioning parameter (range: 0--2) % Times - maximum iteration count % errtol - error tolerance for termination condition % % Output parameters: % NewX - approximate solution x for equation Ax=b % avgerr - current average absolute error during computation % % This implementation efficiently handles large sparse matrices using symmetric successive over-relaxation preconditioning to accelerate convergence.

MATLAB 309 views Tagged

This guide covers MATLAB implementations for unconstrained optimization methods including Steepest Descent, Newton's Method, Conjugate Gradient, Variable Metric Methods (DFP and BFGS), and Nonlinear Least Squares. For constrained optimization, it explores Exterior Penalty Function and Generalized Multiplier Methods. The documentation includes detailed algorithm explanations, MATLAB code examples, and practical problem analysis with optimization techniques.

MATLAB 252 views Tagged

Conjugate Gradient Method Algorithm - This is a verified implementation of the conjugate gradient algorithm where users need to modify certain parameters when applying it to other domains. The implementation includes key components such as initialization parameters, iterative solving process, and convergence criteria.

MATLAB 207 views Tagged

Key optimization algorithms including Conjugate Gradient Method, Preconditioned Conjugate Gradient Method, Direction Acceleration Method, Step Size Acceleration, and Variable Metric Method, with code implementation insights

MATLAB 245 views Tagged