摘要
In this paper, we study weighted mean integral convergence of Hakopian interpolation on the unit disk D. We show that the inner product between Hakopian interpolation polynomial Hn(f;x,y) and a smooth function g(x,y) on D converges to that of f(x,y) and g(x,y) on D when n →∞ , provided f(x,y) belongs to C(D) and all first partial derivatives of g(x,y) belong to the space LipM^α(0 〈 α ≤1). We further show that provided all second partial derivatives of g(x,y) also belong to the space LipM^α and f(x,y) belongs to C^1 (D), the inner product between the partial derivative of Hakopian interpolation polynomial δ/δx Hn(f;z,y) and g(x,y) on D converges to that between δ/δxf(x,y) and g(x,y) on D when n →∞. oo.
In this paper, we study weighted mean integral convergence of Hakopian interpolation on the unit disk D. We show that the inner product between Hakopian interpolation polynomial Hn(f;x,y) and a smooth function g(x,y) on D converges to that of f(x,y) and g(x,y) on D when n →∞ , provided f(x,y) belongs to C(D) and all first partial derivatives of g(x,y) belong to the space LipM^α(0 〈 α ≤1). We further show that provided all second partial derivatives of g(x,y) also belong to the space LipM^α and f(x,y) belongs to C^1 (D), the inner product between the partial derivative of Hakopian interpolation polynomial δ/δx Hn(f;z,y) and g(x,y) on D converges to that between δ/δxf(x,y) and g(x,y) on D when n →∞. oo.
基金
Supported by The NNSF of China(60673021)