Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder4.news.weretis.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.005 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'compact': 0.09; 'refresh': 0.09; 'cc:addr:python-list': 0.11; 'cc:name:python list': 0.16; 'equation': 0.16; 'exponential': 0.16; 'janssen': 0.16; 'sequence,': 0.16; 'skip:6 30': 0.16; 'subject: \n ': 0.16; 'wrote:': 0.18; 'result.': 0.19; 'working.': 0.19; '>>>': 0.22; 'input': 0.22; 'memory': 0.22; 'cc:addr:python.org': 0.22; 'header :User-Agent:1': 0.23; 'cc:2**0': 0.24; 'header:In-Reply-To:1': 0.27; 'idea': 0.28; 'tim': 0.29; 'that.': 0.31; 'subject:that': 0.31; 'becomes': 0.33; 'implemented': 0.33; 'noticed': 0.34; 'could': 0.34; 'problem': 0.35; 'but': 0.35; 'explain': 0.39; 'number,': 0.60; 'ago.': 0.61; 'to:addr:gmail.com': 0.65 Date: Thu, 7 Nov 2013 11:22:45 -0800 From: Tim Roberts Organization: Providenza & Boekelheide, Inc. User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Mark Janssen Subject: Re: Algorithm that makes maximum compression of completly diffused data. References: <205bfa4f-29de-43de-be5a-72a12d77d0c9@googlegroups.com> <9d998707-a6e9-4911-a585-c2310e4a2b31@googlegroups.com> In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: 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 Cc: Python List X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1383852240 news.xs4all.nl 15997 [2001:888:2000:d::a6]:35058 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:58694 Mark Janssen wrote: >>> Well let me try to explain why it is working and i have implemented one. >>> I only need to refresh my memory it was almost 15 years ago. >>> This is not the solution but this is why it is working. >>> 65536=256^2=16^4=***4^8***=2^16 >> >> I think the idea is that you could take any arbitrary input sequence, >> view it as a large number, and then find what exponential equation can >> produce that result. The equation becomes the "compression". Interesting -- I hadn't noticed that. Of course, now you have the problem of expressing 4^8 in a compact way. -- Tim Roberts, timr@probo.com Providenza & Boekelheide, Inc.