User talk:Jitse Niesen/Archive17

Microsphere Interpolation

In addition to the master's thesis, there are several conference papers, and PhD dissertation that all make heavy use of the algorithm. [[1]]. —Preceding unsigned comment added by Dudzcom (talk • contribs) 16:44, 13 March 2010 (UTC)

Linear Programming repeated adding of unpublished papers that seem not to meet the usual criteria for references.

Dear Jitse Nielsen,

I recognize your good works and was happy that you contributed to the linear programming article.

I have never encountered somebody adding (repeatedly) a set of unpublished references, without responding to other editors' views. In this case, the edits occur from a similar IP addresses.

How should one respond?

Thank you. Kiefer.Wolfowitz (talk) 20:07, 4 January 2010 (UTC)

QUOTATION

Unpublished theses from the 1980s lack the notability required to be mentioned in this Wikipedia article

Anonymous editor(s), operating from similar IP addresses, keeps adding paragraphs to University of Houston doctoral theses from the 1980s. The text previously made misleading claims about the novelty of such methods (given journal publications and books by Scarf, Cline, etc.).

Algebraically, in 1982 Nguyen and in 1985 Bruni represented the LP problem as a fixed-point problem: find $\scriptstyle x\geq 0$ such that $\scriptstyle {\mathfrak {P}}x=x$ where $\scriptstyle {\mathfrak {P}}$ is an idempotent symmetric matrix. Nguyen employed the proximity map onto the non-negative cone $\scriptstyle \{x|x\in {\mathfrak {R}}^{2m},x\geq 0\}$ to solve the fixed-point problem. In 1992and 2009 Jalaluddin derived a similar representation and proposed an affine regression method of solution.

+ * Bruni, A. J., Nonnegative, Nontrivial Fixed Points of Orthogonal Projections, PhD Thesis, Department of Mathematics, University of Houston, 1985.

+ * Jalaluddin Abdullah, Optimization by the Fixed-Point Method, Version 2.01. [2]

+ * Nguyen, Tung M., Applications Of Generalized Inverse To Circulant Matrices, Intersection Projections, and Linear Programming, PhD Thesis, Department of Mathematics, University of Houston, 1985.

Would such editors kindly refer to journal publications that are discussed by Math Reviews or by survey articles, e.g. by Todd? If no such references exist, then the theses are not notable.

Pardon my ignorance if these theses were in fact notable. Kiefer.Wolfowitz (talk) 14:57, 1 January 2010 (UTC)

I looked at the paper by unpublished paper by Abdullah, which spends a lot of time paraphrasing known results in nonstandard form (e.g., the Riesz decomposition of a vector lattice) and then has a computational section consisting of c. 3-4 dimensional problems. This "paper" is unfit for publication; citing it so prominantly is certainly inappropriate for Wikipedia, particularly when an anonymous user repeatedly adds it without giving a single response to objections. Do any senior editors know how to deal with such editing? Kiefer.Wolfowitz (talk) 19:48, 4 January 2010 (UTC)

I flagged this content with two tags, [this primary source citation needs verification] and with [unreliable source?], and then noted this article for attention on the related boards. If this is inappropriate, then I'm sorry. I don't think any further action is necessary. (The issue of multiple IP addresses remains, however!) Sorry to bother you. Kiefer.Wolfowitz (talk) 20:44, 4 January 2010 (UTC)

Some other editors have responded, btw. Kiefer.Wolfowitz (talk) 00:40, 5 January 2010 (UTC)

Ping

I have sent you an e-mail. --Tenmei (talk) 02:23, 14 January 2010 (UTC)

Viswanath's constant

Hi Jitse,

Can you, please, move it back to random Fibonacci sequence? That seems to be the main topic, and it's certainly true of the current version of the article after I rewrote it. Thank you! Arcfrk (talk) 05:32, 22 April 2010 (UTC)

I agree, so I moved it. Cheers, Jitse Niesen (talk) 09:49, 22 April 2010 (UTC)

Email

I will send an email to your Wikipedia email address (heads up). — Carl (CBM · talk) 23:52, 27 April 2010 (UTC)

Jitse's bot

I left a message on User talk:Jitse's bot a while ago and it's been a while with no response. Just wondering if you were looking into it. I'll try using old revisions of the page for now but it would be nice to have an up to date version.--RDBury (talk) 23:41, 4 June 2010 (UTC)

PS: it appears that this is the last revision where the list works.--RDBury (talk) 23:53, 4 June 2010 (UTC)

Sorry for the late reply. I fixed it yesterday; you now have 361 articles to play with and clean up. -- Jitse Niesen (talk) 09:09, 8 June 2010 (UTC)

I noticed it was fixed. Thanks.--RDBury (talk) 21:33, 10 June 2010 (UTC)

It looks like the Original research section is having the same problem. Order of operations, Set theory (music), Pi (film), Mathematics as a language, Mathematical joke, Math rock, H-theorem, Epimorphism all have the tag but nothing is showing up in the section. There are other article where OR is part of a multiple issues tag.--RDBury (talk) 07:34, 12 June 2010 (UTC)

Thanks for the report. It should be better now. -- Jitse Niesen (talk) 10:10, 16 June 2010 (UTC)

bot

Jitse, I think your bot may have fallen asleep again. Michael Hardy (talk) 04:16, 29 August 2010 (UTC)

Notability of T-integration

I notice that you have looked in on this article a bit. Please comment on Talk:T-integration on whether the subject is notable enough for Wikipedia. (The apparent lack of any references to this algorithm other than those by the original author, J. M. Smith, seems to argue to the contrary.) — Steven G. Johnson (talk) 04:13, 17 February 2011 (UTC)

Nomination of T-integration for deletion

The article T-integration is being discussed concerning whether it is suitable for inclusion as an article according to Wikipedia's policies and guidelines or whether it should be deleted.

The article will be discussed at Wikipedia:Articles for deletion/T-integration until a consensus is reached, and anyone is welcome to contribute to the discussion. The nomination will explain the policies and guidelines which are of concern. The discussion focuses on good quality evidence, and our policies and guidelines.

Users may edit the article during the discussion, including to improve the article to address concerns raised in the discussion. However, do not remove the article-for-deletion template from the top of the article. — Steven G. Johnson (talk) 16:41, 18 February 2011 (UTC)

Bot query

Greetings. We at the disambiguation project are trying to work out a way to avoid having intentional disambig links in article space. Such links are currently used in the lists of mathematics articles, which your bot uses to update various other lists. One proposal that has been made is to use lists in project space. Would it be feasible for your bot to work from lists maintained in project space, and if so, how much work would it be to implement such a change? Cheers! bd2412 T 03:53, 13 May 2011 (UTC)

The problem is that they would like to link to disambiguation pages indirectly, going through a redirect that has "disambiguation" in the title. This would mean your bot would need to bypass these redirects before making the current activity page. There is a long discussion on the math wikiproject page; there doesn't seem to be consensus to move the lists to project space at the moment. — Carl (CBM · talk) 04:05, 13 May 2011 (UTC)

Straw poll closed with a consensus to move the lists of mathematics articles to project space.

The straw poll at Wikipedia talk:WikiProject Mathematics/Straw poll regarding lists of mathematics articles has closed with a consensus to move the lists of mathematics articles to project space. I have implemented this consensus, and Oleg is adjusting Mathbot to work off of the lists in project space. Please adjust your bot accordingly. Cheers! bd2412 T 02:07, 3 June 2011 (UTC)

Thanks for the update. -- Jitse Niesen (talk) 08:24, 3 June 2011 (UTC)

For Dutch Wikipedia

Hi, is the translation below acceptable for a new article? (The previous time I used Google translation to put it on the Dutch Encyclopedia, someone was unhappy with me and told me to never do it again.)

Groep van rationele punten op de Einheitskreisaus

De groep van rationele punten op de eenheidscirkel bestaat uit de punten (x | y) met rationele coördinaten, geldig voor de x2 + y2 = 1. De hoogte van deze punten is nauw verbonden met de primaire Pythagoras triples. Overweeg een primitieve rechthoekige driehoek met een geheel getal dat is een priemgetal kant lengtes a, b, c, waarbij c de schuine zijde. Dan is er de eenheid cirkel op de rationele punt (a / c | b / c). Omgekeerd, als (x | y) is een rationeel punt op de eenheidscirkel, dan is er een primitieve rechthoekige driehoek met zijden xc, yc, c.

Groep werking

De verzameling van rationele punten vormen een oneindige Abelse groep G. De neutrale element van het punt (1, 0). De groep operatie of "sum" is (x, y) + (t, u) = (x - uy, Xu + yt). Dit is de Winkeladditon als x = cos (A) en y = sin (A), waarbij A is de hoek van de radius vector (x, y) met de radius vector (1,0) is mathematisch positieve zin. Dus als (x, y) vorm en (t, u) is de hoekige A en B, elk met (1, 0), is de som van (x - uy, Xu + yt), de rationele punt op de eenheidscirkel met de hoek A + B in de zin van de gebruikelijke hoeveelheid.

Structuur van de groep

De structuur van G is een oneindige som van cyclische groepen. Indien C4 is het cyclische subgroep gegenereerd op basis van vier elementen door het punt (0, 1), en Z is een oneindige cyclische subgroep van een punt van de vorm (a / p, b / p) waarbij p ^ 2 = a ^ 2 + b ^ 2, dus dat p is een schoolvoorbeeld van de vorm 4k + 1, (en a, b positieve gehele getallen), dan is G isomorf is met C4 ⊕ Z ​​⊕ Z ⊕ ... etc. Aangezien er een directe som als een direct product, verschillen alleen in eindig veel waarden van Z van nul.

Zwellen

.....

Rich PetersonRich (talk) 22:06, 23 August 2011 (UTC)

categories......

I just edited generalized quaternion interpolation. It bore the following three category tags but did not appear in the list of mathematics articles:

• Category:Quaternions
• Category:Interpolation
• Category:Rotation in three dimensions

(I added Category:Applied mathematics, so maybe it will now get added to the list.) I don't recall whether it's your bot or Oleg's that handles this. It seems to me that things in those three categories should appear on the list. Michael Hardy (talk) 15:59, 1 September 2011 (UTC)

Well, it turns out it _was_ in that list, but that list is no longer in either the article space nor the portal space. Michael Hardy (talk) 18:59, 3 September 2011 (UTC)

Review some MediaWiki math-related code?

Jitse, if you have a moment, could you take a look at this MediaWiki commit and comment with your thoughts? Thanks.

https://www.mediawiki.org/wiki/Special:Code/MediaWiki/99741

best, Sumanah (talk) 23:02, 27 October 2011 (UTC) Volunteer Development Coordinator

Stiff equation

Over the past week I added a significant amount of new material to the article Stiff equation, as this is one of my specialties. These edits are described under Talk:Stiff equation#Stiffness ratio, Characterization of stiffness, and Etymology. I hope this answers your comment 'Needs better discussion of what "stiffness" entails.' — Anita5192 (talk) 02:36, 12 November 2011 (UTC)