Coapproximation Wavelet Using Hermite Wavelets and Haar Wavelets

In this paper, we consider wavelet coapproximation in Hermite wavelets and Haar wavelets. At first, we define wavelet coapproximation of a function with concerning a set. We show that if the series & sum;n=0 infinity & sum;m=0 infinity|tn,m|2\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\sum _{n=0}<^>{\infty }\sum _{m=0}<^>{\infty }|t_{n,m}|<^>2$$\end{document} is convergent, then there exists a wavelet coapproximation for a set.