X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (neptune.hub.org [200.46.204.2]) by svr1.postgresql.org (Postfix) with ESMTP id 78535D1B433; Fri, 26 Dec 2003 22:59:17 +0000 (GMT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (neptune.hub.org [200.46.204.2]) (amavisd-new, port 10024) with ESMTP id 52225-06; Fri, 26 Dec 2003 18:58:30 -0400 (AST) Received: from mta3.snet.net (mta3.snet.net [204.60.203.69]) by svr1.postgresql.org (Postfix) with ESMTP id D0B9BD1B43D; Fri, 26 Dec 2003 18:58:11 -0400 (AST) Received: from kencast.com (167.95.252.64.snet.net [64.252.95.167]) by mta3.snet.net (8.12.3/8.12.3/SNET-smtp-1.2/D-1.1.1.1/O-1.1.1.1) with ESMTP id hBQMs8Bj023787; Fri, 26 Dec 2003 17:54:08 -0500 (EST) Message-ID: <3FECBBEA.5080100@kencast.com> Date: Fri, 26 Dec 2003 17:53:30 -0500 From: Wei Weng User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.6b) Gecko/20031208 X-Accept-Language: en-us, en MIME-Version: 1.0 To: aspire420@hotpop.com Cc: Martin Marques , pgsql-admin@postgresql.org, pgsql-sql@postgresql.org Subject: Re: Anti log in PostgreSQL References: <3FECB238.1050801@sancharnet.in> <200312261934.35070.martin@bugs.unl.edu.ar> <3FECBA50.2000500@sancharnet.in> In-Reply-To: <3FECBA50.2000500@sancharnet.in> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Virus-Scanned: by amavisd-new at postgresql.org X-Archive-Number: 200312/185 X-Sequence-Number: 16351 Sai Hertz And Control Systems wrote: > Dear Martin Marques , > >>> In mathematics I would have written it something like >>> >>> A = antilog (3·3234) = 2144 >>> >> >> >> As I can understand, this is a 10 base log, so that what you want is >> 10^(3.3234)? >> >> For that you have the exponential operator ^. >> >> > Nope > select exp(3.3234) as a2144 > Gives me > 27.754555808589792 > But the answer expected is some what near to 2144 > The log tables show this > > Regards, > Vishal Kashyap. > What is the mathematical operation that "antilog" is supposed to perform? Wei