Abstract :
Recent results on residual smoothing are reviewed, and it is observed that certain of these are equivalent to results obtained by different means that relate “peaks” and “plateaus” in residual norm sequences produced by certain pairs of Krylov subspace methods.
Keywords :
ORTHODIR methods , BCG , Krylov subspace methods , QMR , minimal residual methods , Conjugate gradient , conjugate residual methods , SYMMLQ , MINRES methods , Arnoldi , GMRES methods , Iterative linear algebra methods , Bi-CGSTAB methods , Biconjugate gradient , Orthogonal , Quasi-minimal residualmethods , CGS , Residual smoothing techniques , conjugate gradient squared methods , ORTHORES
