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Fast nonnegative least squares through flexible Krylov subspaces. (English) Zbl 1365.65161

65K05 Numerical mathematical programming methods
90C20 Quadratic programming
65D18 Numerical aspects of computer graphics, image analysis, and computational geometry
94A08 Image processing (compression, reconstruction, etc.) in information and communication theory
AIR tools
Full Text: DOI arXiv
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