Wikipedia:Articles for deletion/Coshc function: Difference between revisions
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let's add Sinhc function, Tanhc function and Tanc function to this AfD |
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This concept <math>\operatorname{coshc}(x) = \cosh(x) / x</math> is not notable. To begin, I checked the four sources cited in the article. The first, den Outer et al. [https://doi.org/10.1364/JOSAA.10.001209], at one point contains <math>\frac{\cosh \kappa r}{\kappa r}</math> as part of a larger equation, and that's all. The second (Körpinar [https://doi.org/10.1007/s10773-014-2118-5]), third (Sönmez [https://www.m-hikari.com/imf-password2009/37-40-2009/sonmezIMF37-40-2009.pdf]), and fourth (ten Thije Boonkkamp et al. [https://link.springer.com/article/10.1007/s10915-012-9588-5]) contain neither "coshc" nor even <math>\cosh x / x</math> for anything in place of ''x''. The article also formerly cited http://mathworld.wolfram.com/CoshcFunction.html which is currently a dead link and I can't confirm it ever existed. I found no other potential sources from a search. [[User:Adumbrativus|Adumbrativus]] ([[User talk:Adumbrativus|talk]]) 07:06, 12 January 2024 (UTC)
*<small class="delsort-notice">Note: This discussion has been included in the [[Wikipedia:WikiProject Deletion sorting/Mathematics|list of Mathematics-related deletion discussions]]. [[User:Adumbrativus|Adumbrativus]] ([[User talk:Adumbrativus|talk]]) 07:06, 12 January 2024 (UTC)</small>
* '''Redirect to [[Hyperbolic function]]'''
*'''Comment''': I suggest we add [[Sinhc function]], [[Tanhc function]] and [[Tanc function]] to this AfD. All suffer from the same lack of independent notability, and all can be included as a brief definition under the [[Hyperbolic function]] page. Pinging {{ping|David Eppstein}} for an expert opinion. [[User:OwenX|Owen×]] [[User talk:OwenX|<big>☎</big>]] 14:13, 13 January 2024 (UTC)
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