How many integrals should be evaluated at least in two-dimensional hyperinterpolation? - 惯性聚合

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How many integrals should be evaluated at least in two-dimensional hyperinterpolation?

[Submitted on 15 Oct 2025 (v1), last revised 10 Jun 2026 (this v · 2026-06-11 · via math updates on arXiv.org

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