User talk:Lavaka

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Hi, Lavaka, Welcome to Wikipedia!

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[edit] Additional tips

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Happy Wiki-ing.Kf4bdy talk contribs

PS: This is not a bot and you did nothing to prompt this message. This is just a friendly welcome by a fellow Wikipedian.

[edit] "See also" section

Hello, and also a warm welcome from me. I came across some of your contributions to the mathematics pages, leading me to think that you might be interested in Wikipedia:WikiProject Mathematics.

I was prompted by your edit to Circulant matrix to draw your attention to some of the more obscure customs on Wikipedia. The "See also" section should only contain link to articles which are not mentioned in the text. Ideally, all related articles are already mentioned and thus there is no need for a "See also" section (see Wikipedia:Guide to layout#See also for the official version). Incidentally, we don't like capitals here and we write "See also" instead of "See Also" (see Wikipedia:Manual of Style (headings)#Capitalization).

Don't worry too much about it, nobody knows all the rules. Feel free to ask me if you have any questions. I hope to see you around, and that you enjoy Wikipedia.

All the best, Jitse Niesen (talk) 07:31, 6 October 2006 (UTC)

[edit] DCT

Regarding the comment you left on my Talk page, the image and text in the DCT article are correct as-is. The DCT-II is equivalent to a real-even DFT of length 4N consisting of the original DCT data mirrored and interleaved with zeros. The DCT-III is equivalent to a real-even DFT of length 4N consisting of the original DCT data mirrored twice (once with flipped sign), and no interleaved zeros (except for a couple of inserted zero points at the odd-symmetry points).

—Steven G. Johnson (talk) 20:19, 26 January 2008 (UTC)