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Comparison of Krylov subspace methods with preconditioning techniques for solving boundary value problems |
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| Authors: | S Sundar B K Bhagavan |
| Abstract: | In this paper, we made an attempt to establish the usefulness of Lanczos solver with preconditioning technique over the preconditioned Conjugate Gradient (CG) solvers. We have presented here a detail comparative study with respect to convergence, speed as well as CPU-time, by considering appropriate boundary value problems. |
| Keywords: | Krylov subspace Preconditioned conjugate gradient method Lanczos algorithm Preconditioned Lanczos algorithm Symmetric systems |
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