摘要
研究Fourier 级数的Euler 平均对可导函数及有界变差函数的逼近。
The problems of approximation by Euler means of Fourier series for the derivable function and function of bounded variation are studied, and the degrees of approximation are estimated.
出处
《甘肃教育学院学报(自然科学版)》
1999年第4期13-17,共5页
Journal of Gansu Education College(Natural Science Edition)
关键词
FOURIER级数
Euler平均
可导函数
逼近
Fourier series
Euler means
derivable function
function of bounded variation
approximation