Preprint
Aug 2026
The Refined Joint Bidiagonalization Method and an Implicitly Restarted Algorithm for Large GSVD Computations
It is proved that the left and right refined Ritz vectors unconditionally converge under the same hypothesis, and the implicit restarting scheme is extended to the RJBD method, and an implicitly restarted RJBD algorithm with the refined shifts proposed is developed.
Kai-Tang Fang, Zhong-Xiao Jia
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