The exact error of trigonometric interpolation for differentiable functions
Tóm tắt
In [1], G. Halász gives some properties of the order of trigonometric approximation as a function of the Lipschitz parameter. Here we show that these properties completely characterize this function.
Tài liệu tham khảo
G. Halász (1992):The “coarse and fine theory of interpolation” of Erdös and Turán in a broader view. Constr. Approx.8:169–185.