【摘要】 <正> 1.设f∈C[-1,1],Tn(x)=cos nθ(x=cos θ)是n阶Chebyshev多项式。Tn(x)在(-1,1)中的所有零点是 我们用更多还原

【Abstract】 In this note, we consider an interpolation process of Bernstein Rx(f, x) Which is based on zeros of the Chebyshev polynomial of degree n. We prove that for where The result sharpens the theorem of Varma更多还原