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math.NA2024
Obtaining the pseudoinverse solution of singular range-symmetric linear systems with GMRES-type methods
Kui Du, Jia-Jun Fan, Fang Wang
It is well known that for singular inconsistent range-symmetric linear systems, the generalized minimal residual (GMRES) method determines a least squares solution without breakdow…
math.NA2024★ 1 cited
GPBiLQ and GPQMR: Two iterative methods for unsymmetric partitioned linear systems
Kui Du, Jia-Jun Fan, Fang Wang
We introduce two iterative methods, GPBiLQ and GPQMR, for solving unsymmetric partitioned linear systems. The basic mechanism underlying GPBiLQ and GPQMR is a novel simultaneous tr…