摘要
In this paper we introduce a new kind of interpolation of function with period 2π and establish the rate of convergence.The usual Birkhoff interpolation is a special case of our new interpolation as a linnit case.
本文对周期为2的函数引入了一类新的函数插值并建立了插值的收敛速度估计．通常的Birkhoff插值是该插值的极限情形．
