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math.NA2025
Structural Packing and Dyadic Factorization of Sparse Positive Definite Matrices
Michał Kos, Krzysztof Podgórski, Hanqing Wu
Efficient inversion of large sparse positive definite matrices requires exploiting sparsity patterns beyond those captured by conventional bandwidth reduction. In this work, we rec…
math.NA2023
Splinets 1.5.0 -- Periodic Splinets
Hiba Nassar, Krzysztof Podgórski
Periodic splines are a special kind of splines that are defined over a set of knots over a circle and are adequate for solving interpolation problems related to closed curves. This…