most citedThe numerical linear algebra of weights: from the spectral analysis to conditioning and preconditioning in the Laplacian case

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math.NA2023★ 2 cited

The numerical linear algebra of weights: from the spectral analysis to conditioning and preconditioning in the Laplacian case

Ludovico Bruni Bruno, Matteo Semplice, Stefano Serra-Capizzano

Weights are geometrical degrees of freedom that allow to generalise Lagrangian finite elements. They are defined through integrals over specific supports, well understood in terms…