Internship: Deflated Conjugate Gradient
Table of Contents
This repository contains numerical experimentions in order to analyse Deflated Conjugate Gradient's Convergence, applied to a variety of matrices and with several spectral extractions when reuse Krylov subspace from s previous solve.
1 Internship
- Introduction
- Explications des expérimentations
- Deflated Conjugate Gradient
- DDMPY
- Defining Test Cases
- EXP 1.1 Spectral Injection Using True EigenVectors
- EXP 1.2 Spectral Injection Using Perturbed EigenVectors
- EXP 2.1 Lanczos Rayleigh-Ritz Convergence
- EXP 2.2 Lanczos Harmonic-Ritz Convergence
- EXP 2.3 Lanczos eigcg-LOCG Procedure
- EXP 3.1 Deflation With Spectral Informations From One Previous Solve
- EXP 3.2 Deflation With Spectral Informations From Multiple Previous Solve