From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 7B39B138E74 for ; Mon, 3 Nov 2014 15:48:44 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 64FC5E0872; Mon, 3 Nov 2014 15:48:38 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 13DA5E0844 for ; Mon, 3 Nov 2014 15:48:36 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id 0B69A340266 for ; Mon, 3 Nov 2014 15:48:36 +0000 (UTC) X-Virus-Scanned: by amavisd-new using ClamAV at gentoo.org X-Spam-Flag: NO X-Spam-Score: -0.909 X-Spam-Level: X-Spam-Status: No, score=-0.909 tagged_above=-999 required=5.5 tests=[AWL=0.385, BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, FREEMAIL_REPLY=1, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_LOW=-0.7, RP_MATCHES_RCVD=-0.594, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=no Received: from smtp.gentoo.org ([127.0.0.1]) by localhost (smtp.gentoo.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kEfNYtjlHQJv for ; Mon, 3 Nov 2014 15:48:30 +0000 (UTC) Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTPS id 09FB9340447 for ; Mon, 3 Nov 2014 15:48:29 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XlJrj-0005gh-M4 for gentoo-user@gentoo.org; Mon, 03 Nov 2014 16:48:23 +0100 Received: from 67-130-15-94.dia.static.qwest.net ([67.130.15.94]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 03 Nov 2014 16:48:23 +0100 Received: from grant.b.edwards by 67-130-15-94.dia.static.qwest.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 03 Nov 2014 16:48:23 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: Grant Edwards Subject: [gentoo-user] Re: OT Best way to compress files with digits Date: Mon, 3 Nov 2014 15:48:12 +0000 (UTC) Message-ID: References: <20141031153659.GA13217@solfire> <20141101175934.GB3860@solfire> <545546D3.3030005@gmail.com> <54555725.30108@ntlworld.com> <14914DDC-1E9F-443C-BD65-5673B9CD4426@iki.fi> X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 67-130-15-94.dia.static.qwest.net User-Agent: slrn/1.0.1 (Linux) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Archives-Salt: 0078ef26-9b40-42f6-a2dc-9266ed422ba0 X-Archives-Hash: 00bf078941644abcbcc6532f3b1b386d On 2014-11-02, Matti Nykyri wrote: >> On Nov 1, 2014, at 23:56, David W Noon wrote: >> >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> On Sat, 01 Nov 2014 22:47:15 +0200, Alan Mckinnon >> (alan.mckinnon@gmail.com) wrote about "Re: [gentoo-user] Re: OT Best >> way to compress files with digits" (in <545546D3.3030005@gmail.com>): >> >>> On 01/11/2014 19:59, meino.cramer@gmx.de wrote: >> [snip] >>>> Ah! By the way...I was astonished to read, that the digits of PI >>>> are called random on the one hand and on the other hand there is >>>> a formula [1] to calculate a certain digit of PI without >>>> calculation of the previous digits... Calculated random? Are >>>> nature constants the purest form of PRNGs ??? ;) (Quantum physics >>>> is everywhere... ;;)) >>>> >>>> [1]: >>>> http://en.wikipedia.org/wiki/Bailey%E2%80%93Borwein%E2%80%93Plouffe_formula >>> >>> >>> The sequence of digits that make up pi are a random sequence - you >>> can analyze the order any way you want and you'll find no inherent >>> pattern. >> >> Actually, the sequence of digits is most definitely *not* random. If >> the sequence of digits is written any other way then the value is not >> Pi. Hence the sequence is unique, not random. >> >> I think what you are grasping for is that the frequency of distinct >> digits tends to be uniform: 0's occur as often as 1's as often ... as >> 9's. Note that the "as often as" operator is really approximate for > Well all the digit of pi can be compressed to the following: > >=pi(); Nah. Just switch to base-Pi, and then it compresses to: 1 -- Grant Edwards grant.b.edwards Yow! Are we THERE yet? at gmail.com