HenningThielemann

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Hello, HenningThielemann, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are a few good links for newcomers:

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I hope you enjoy editing here and being a Wikipedian! Please sign your name on talk pages using four tildes (~~~~); this will automatically produce your name and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or place {{helpme}} on your talk page and someone will show up shortly to answer your questions. Again, welcome!  Oleg Alexandrov (talk) 03:54, 30 March 2006 (UTC)

Remark on categories

I renamed Category:Continuous wavelet to Category:Continuous wavelets, as I think plural is more acceptable for a category, and the same for Category:Orthogonal wavelet, to Category:Orthogonal wavelets.

By the way, any articles showing up in these two specific categories should not show up in Category:Wavelets anymore I think, as having an article both in Category:Orthogonal wavelets and Category:Wavelets is reduntant I think. If you agree, you may want to remove the less specific category. Cheers, Oleg Alexandrov (talk) 03:54, 30 March 2006 (UTC)

Same for Category:Biorthogonal Wavelet --> Category:Biorthogonal wavelets. :) Oleg Alexandrov (talk) 03:57, 30 March 2006 (UTC)

Thanks

Thanks fr refinable function. You might be interested in following the conversations on the talk pages of Wikipedia:WikiProject Mathematics. linas 00:58, 31 March 2006 (UTC)

Maths on Wikipedia

The edit summary of your last edit to Matrix function makes me wonder whether you have read Wikipedia:Manual of Style (mathematics), which suggests to use italics and all that for maths typesetting. -- Jitse Niesen (talk) 01:19, 16 August 2007 (UTC)

Quotation from that page: "Either form is acceptable [math or italics], but do not change one form to the other in other people's writing. They are likely to get annoyed since this seems to be a highly emotional issue. Changing to make an entire article consistent is acceptable." My article was consistently type set in math mode, because I follow the LaTeX philosophy of writing code with respect to intention (it's math) not with respect to appearence (I don't care whether math is presented italics or not). Admittedly, LaTeX itself breaks this philosophy especially within math type setting, but that's another issue. I see no reason why you changed my math typeset to italics. HenningThielemann 04:02, 22 August 2007 (UTC)

Histogram - This edit of your seems wrong

I've finally commented out the material that you added in this edit. Histograms are usually thought of as being for continuous data, so to speak of "generalizing" to continuous data is silly. You also neglected to define your notation and you never answered my comments at talk:Histogram, which have been there for a long time. Michael Hardy (talk) 02:03, 2 January 2010 (UTC)

Sorry, I was not aware, that there are other notions of histogram outside image processing. I moved my paragraph to Color histogram. HenningThielemann (talk) 18:55, 14 January 2010 (UTC)

CORDIC and logs

You added a section about using CORDIC algorithms to compute logs. It is unclear to me whether this is notable enough to be included, could you comment at the article talk page? Thanks, Jakob.scholbach (talk) 22:00, 27 July 2011 (UTC)

Nomination of Battleship (game)/Combinatorics for deletion

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Nomination of Proofs related to the Digamma function for deletion

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Mean of circular quantities

Hello! In the article Mean of circular quantities, the formulas contain a division by n that could be omitted. (The angle of the sum of unit vectors will be the same as the angle of the mean of unit vectors). Any particular reason you chose to include the division by n? Thanks. --Amble (talk) 16:04, 22 July 2015 (UTC)

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Digamma asymptotic series

Hello. In this edit] you imply that there is an asymptotic series, mentioned higher up, for $\psi (x+{\tfrac {1}{2}})$ that does not include a 1/(2x) term. But there is no such series higher up in the article. Can you explain? (Please start your reply with @Eric Kvaalen:.) Eric Kvaalen (talk) 05:46, 26 April 2016 (UTC)

@Eric Kvaalen: There is no asymptotic series for $\psi (x+{\tfrac {1}{2}})$ in the article. However, the asymptotic series of $\exp(\psi (x+{\tfrac {1}{2}}))$ is especially practical because the even terms vanish. For large $x$, $\exp(\psi (x+{\tfrac {1}{2}}))$ approaches $x$. If you give me your e-mail address I can send you the deleted proof page, that contains the code to compute the asymptotic series for $\exp(\psi (x+{\tfrac {1}{2}}))$. HenningThielemann (talk) 08:38, 31 May 2016 (UTC)

Thanks for the reply. I do not want to give my e-mail in public, but you can go to User:Eric Kvaalen and click on "Email this user". (You have to be logged in.) Send me a note and I will answer, and that way you will have my address. I have modified the article on the digamma function. You can check it. Eric Kvaalen (talk) 09:54, 31 May 2016 (UTC)

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Proposed deletion of Adjoint filter

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Proposed deletion of Assampler

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This bot DID NOT nominate any of your contributions for deletion; please refer to the history of each individual page for details. Thanks, FastilyBot (talk) 09:00, 28 March 2023 (UTC)