Path: ...!news.roellig-ltd.de!news.mb-net.net!open-news-network.org!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: "Chris M. Thomasson" Newsgroups: sci.math Subject: Re: How many different unit fractions are lessorequal than all unit fractions? (circle limits) Date: Thu, 3 Oct 2024 16:11:31 -0700 Organization: A noiseless patient Spider Lines: 93 Message-ID: References: <283c426f-ab1c-4ef0-a06c-1bf7d28a2cfa@att.net> <6b50a171-8127-4ce6-9bd3-2dc213638e9b@att.net> <519db81b-4a4d-417d-8cd2-7fef5a342efd@att.net> <6704347e-2f99-40f2-887f-de93f6fdd659@tha.de> <8b3e744d-3419-40c3-a7c6-fe59edd528a9@tha.de> <52f2f1b438b49812b0dac031a7dcb5e1cf8e7259@i2pn2.org> <68ff21abb8e0f40ff2d435fa2077b9f44c5a55b3@i2pn2.org> <3fc406c327f7e3d57710b0ba16167ee522450253@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Fri, 04 Oct 2024 01:11:32 +0200 (CEST) Injection-Info: dont-email.me; posting-host="fc164e46f97ea511b07a2aabded41e34"; logging-data="4119078"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+hfZCWyukSSwuJK2xYBj/7mqUnXRTcec0=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:SFuczTWzVr3bx2oSjDWvLXB22Zg= Content-Language: en-US In-Reply-To: Bytes: 5094 On 10/2/2024 6:56 PM, Ross Finlayson wrote: > On 10/02/2024 12:45 PM, Chris M. Thomasson wrote: >> On 10/1/2024 7:40 PM, Ross Finlayson wrote: >>> On 10/01/2024 06:37 PM, Chris M. Thomasson wrote: >>>> On 10/1/2024 2:11 PM, FromTheRafters wrote: >>>>> Chris M. Thomasson wrote : >>>>>> On 10/1/2024 6:28 AM, FromTheRafters wrote: >>>>>>> Chris M. Thomasson wrote : >>>>>>>> On 9/30/2024 4:13 AM, Richard Damon wrote: >>>>>>>>> On 9/29/24 3:16 PM, WM wrote: >>>>>>>>>> On 28.09.2024 14:58, Richard Damon wrote: >>>>>>>>>>> On 9/27/24 3:06 PM, WM wrote: >>>>>>>>>>>> On 25.09.2024 19:12, Richard Damon wrote: >>>>>>>>>>>> >>>>>>>>>>>>> The problem is that it turns out the NUF(x) NEVER actually >>>>>>>>>>>>> "increments" by 0ne at any finite point, it jumps from 0 to >>>>>>>>>>>>> infinity (Aleph_0) in the unboundedly small gap between 0 and >>>>>>>>>>>>> all x >>>>>>>>>>>>> > 0, >>>>>>>>>>>> >>>>>>>>>>>> How do you distinguish them? >>>>>>>>>>> >>>>>>>>>>> They have different values, so why can't you? >>>>>>>>>> >>>>>>>>>> Then distinguish the first one. >>>>>>>>>> >>>>>>>>>> Regards, WM >>>>>>>>> >>>>>>>>> There isn't a first one. >>>>>>>>> >>>>>>>>> Show me a circle with 4 sides. >>>>>>>> >>>>>>>> ;^) Humm, an n-gon where n is taken to infinity is a circle? >>>>>>> >>>>>>> As n goes to infinity, the angle of the vertices goes to 180 degrees >>>>>>> -- is a straight line a circle? >>>>>> >>>>>> No. As n goes to infinity it makes a circle. Think of a finite view >>>>>> of a "large" number for n: >>>>>> _________________________ >>>>>> n = 696969 >>>>>> >>>>>> normal_base = 1.f / n; >>>>>> >>>>>> for (i = 0; i < n; ++i) >>>>>> { >>>>>>      normal = normal_base * i; >>>>>>      angle = pi2 * normal; >>>>>> >>>>>>      p0 = { cos(angle), sin(angle) }; >>>>>> >>>>>>      plot(p0); >>>>>> } >>>>>> _________________________ >>>>>> >>>>>> I typed this in the newsreader, so sorry for any typos! This a finite >>>>>> view of a unit circle. Not a line. >>>>>> >>>>>> Take n to infinity, well, its a circle... >>>>>> >>>>>> Taking an n-gon to infinity is a circle. >>>>> >>>>> It is 'never' a circle. >>>>> >>>>> https://www.craig-wood.com/nick/articles/pi-archimedes/ >>>> >>>> an n-gon as n goes to infinity approaches a circle? Fair enough? >>> >>> Is the sum of its interior angles infinity, or, 2pi? >> [...] >> >> a square would be 2pi / 4, a pentagon 2pi / 5, ect... >> >> Fwiw, check this out: >> >> https://www.shadertoy.com/view/4s3yWj >> > > Actually the usual idea is that a regular triangle > is pi/3 * 3 = pi, a 4-gon pi/2 * 4 = 2pi, a 5-gon > 3/5 pi * 5 = increasing, that both the angle widens > to pi and the count increases linearly. Points of an equilateral triangle inscribed in a unit circle is comprised of the following angles: angle_0 = pi2/3 * 0 angle_1 = pi2/3 * 1 angle_2 = pi2/3 * 2 This works for any n-gon.