On sparse approximations of solutions to linear systems with orthogonal matrices
This article discusses a model for obtaining a sparse representation of a signal vector in ℝk, based on a system of linear equations with an orthogonal matrix. Such a representation minimizes a target function that combines the deviation from the exact solution and a chosen functional J. The functio...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Samara National Research University
2023-01-01
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| Series: | Вестник Самарского университета: Естественнонаучная серия |
| Subjects: | |
| Online Access: | https://journals.ssau.ru/est/article/viewFile/22878/9667 |
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