most citedBypassing the quadrature exactness assumption of hyperinterpolation on the sphere

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math.NA2022★ 1 cited

Bypassing the quadrature exactness assumption of hyperinterpolation on the sphere

Congpei An, Hao-Ning Wu

This paper focuses on the approximation of continuous functions on the unit sphere by spherical polynomials of degree via hyperinterpolation. Hyperinterpolation of degree i…

math.NA2018

Regularized Weighted Discrete Least Squares Approximation Using Gauss Quadrature Points

Congpei An, Hao-Ning Wu

We consider polynomial approximation over the interval by regularized weighted discrete least squares methods with or regularization, respectively. As t…