A tetrahedra-free quadrature rule for polyhedra obtained from hyperinterpolation in a bounding box, with weights from a single matrix-vector product and provable stability.
Sommariva, CheapQ, Matlab codes for cheap and stable tetrahedra-free quadrat ure on polyhedral elements, https://github.com/alvisesommariva/CheapQ
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Cheap and stable quadrature on polyhedral elements
A tetrahedra-free quadrature rule for polyhedra obtained from hyperinterpolation in a bounding box, with weights from a single matrix-vector product and provable stability.