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Volume 1, Issue 3
On the Haar and Walsh Systems on a Triangle

Yu-Yu Feng & Dong-Xu Qi

J. Comp. Math., 1 (1983), pp. 223-232.

Published online: 1983-01

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  • Abstract

In this paper we establish the Haar and Walsh systems on a triangle. These systems are complete in $L_2(\Delta)$. The uniform convergence of the Haar-Fourier series and the uniform convergence by group of the Walsh-Fourier series for any continuous function are proved.  

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@Article{JCM-1-223, author = {Yu-Yu Feng and Dong-Xu Qi}, title = {On the Haar and Walsh Systems on a Triangle}, journal = {Journal of Computational Mathematics}, year = {1983}, volume = {1}, number = {3}, pages = {223--232}, abstract = {

In this paper we establish the Haar and Walsh systems on a triangle. These systems are complete in $L_2(\Delta)$. The uniform convergence of the Haar-Fourier series and the uniform convergence by group of the Walsh-Fourier series for any continuous function are proved.  

}, issn = {1991-7139}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jcm/9698.html} }
TY - JOUR T1 - On the Haar and Walsh Systems on a Triangle AU - Yu-Yu Feng & Dong-Xu Qi JO - Journal of Computational Mathematics VL - 3 SP - 223 EP - 232 PY - 1983 DA - 1983/01 SN - 1 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/9698.html KW - AB -

In this paper we establish the Haar and Walsh systems on a triangle. These systems are complete in $L_2(\Delta)$. The uniform convergence of the Haar-Fourier series and the uniform convergence by group of the Walsh-Fourier series for any continuous function are proved.  

Yu-Yu Feng and Dong-Xu Qi. (1983). On the Haar and Walsh Systems on a Triangle. Journal of Computational Mathematics. 1 (3). 223-232. doi:
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