A new HSS-like iterative method is first proposed based on HSS-like splitting of non- Hermitian (1,1) block for solving saddle point problems. The convergence analysis for the new method is given. Meanwhile, we cons...A new HSS-like iterative method is first proposed based on HSS-like splitting of non- Hermitian (1,1) block for solving saddle point problems. The convergence analysis for the new method is given. Meanwhile, we consider the solution of saddle point systems by preconditioned Krylov subspaee method and discuss some spectral properties of the preconditioned saddle point matrices. Numerical experiments are given to validate the performances of the preconditioners.展开更多
文摘A new HSS-like iterative method is first proposed based on HSS-like splitting of non- Hermitian (1,1) block for solving saddle point problems. The convergence analysis for the new method is given. Meanwhile, we consider the solution of saddle point systems by preconditioned Krylov subspaee method and discuss some spectral properties of the preconditioned saddle point matrices. Numerical experiments are given to validate the performances of the preconditioners.