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Showing 1 to 1 of 1 for “"Oblique QR factorization"”.
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Efficient projection space updates for the approximation of iterative solutions to linear systems with successive right hand sides
Accurate initial guesses to the solution can dramatically speed convergence of iterative solvers. In the case of successive right hand sides, it has been shown that accurate initial solutions may be obtained by projecting the newest right hand side vector onto a column space of recent prior …