Abstract
Piecewise separable matrices are introduced as a natural generalization of semiseparable and profile-low-rank matrices. We show that such matrices possess linear matrix-by-vector complexity.
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Tyrtyshnikov, E. Piecewise separable matrices. Calcolo 42, 243–248 (2005). https://doi.org/10.1007/s10092-005-0108-y
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DOI: https://doi.org/10.1007/s10092-005-0108-y