摘要
通过用一元小波的张量积构造多元小波,给出各向异性Sobolev函数空间的表现定理及小波逼近的渐近估计.
The representation theorems and the asymptotic estimates of best approximation of anisotropic Sobolev classes by multivariate wavelet bases formed by tensor products of univariate wavelets are obtained.
出处
《河北大学学报(自然科学版)》
CAS
北大核心
2008年第4期357-359,共3页
Journal of Hebei University(Natural Science Edition)