about orthogonal series

at these results are necessarily just to support [0,1] for fourier series ? Cordially TAHIRI Noria -- https://mail.python.org/mailman/listinfo/python-list

about Orthogonal series

hello, I read your article on the blog: http://jpktd.blogspot.com/ about orthogonal series estimation , I would like to ask you if you allow . First, I based on Article Sam Efromovich about "Orthogonal series density estimates" . he worked with the Fourier series with a compact support assumed [0