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Title: Sparse Matrix Computations over Small Fields: A Simpler Block Lanczos Algorithm and Its Analysis
Authors: Eberly, Wayne
Keywords: Algorithms, Performance, Reliability
Issue Date: 29-May-2013
Abstract: A simpli ed \block Lanczos" algorithm is presented and its correctness established. While its e ciency in the general case is not proved, preconditioning used for similar algo- rithms is also su cient here. Results concerning reliability and e ciency may be of more general interest because they may serve to (somewhat) better explain the performance of other block algorithms, including block Wiedemann algo- rithms and algorithms that use rectangular blocking.
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