Return-Path: X-Original-To: apmail-commons-issues-archive@minotaur.apache.org Delivered-To: apmail-commons-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E743F10270 for ; Tue, 4 Mar 2014 06:01:37 +0000 (UTC) Received: (qmail 12766 invoked by uid 500); 4 Mar 2014 06:01:34 -0000 Delivered-To: apmail-commons-issues-archive@commons.apache.org Received: (qmail 12508 invoked by uid 500); 4 Mar 2014 06:01:31 -0000 Mailing-List: contact issues-help@commons.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: issues@commons.apache.org Delivered-To: mailing list issues@commons.apache.org Received: (qmail 12303 invoked by uid 99); 4 Mar 2014 06:01:29 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 04 Mar 2014 06:01:29 +0000 Date: Tue, 4 Mar 2014 06:01:29 +0000 (UTC) From: "Buharov Alexander (JIRA)" To: issues@commons.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (MATH-1108) SimplexSolver returns TooManyIterationsException MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/MATH-1108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Buharov Alexander updated MATH-1108: ------------------------------------ Description: We have vector v and matrix s (from file S.txt) v - vector ( size: 1*649 ) s - matrix ( size: 554*649 ) We want solve linear problem: * max (v[31]) * Bounds: * s*v = 0 * -1 <= v[i] <= 1 for i=0,..., 648 We changed MaxIter parameter (from 100 to 1e+6). And we changed epsilon ( set default value and 1e-3). But solver always throws TooManyIterationsException (and work very slow). was: We have vector v and matrix s (from file S.txt) v - vector ( size: 1*649 ) s - matrix ( size: 554*649 ) We want solve linear problem: * max (v[31]) * Bounds: * s*v = 0 * -1 <= v[i] <= 1 for i=0,..., 648 We set different MaxIter parameter (from 100 to 1e+6). And we changed epsilon ( set default value and 1e-3). But solver always throws TooManyIterationsException (and work very slow). > SimplexSolver returns TooManyIterationsException > ------------------------------------------------ > > Key: MATH-1108 > URL: https://issues.apache.org/jira/browse/MATH-1108 > Project: Commons Math > Issue Type: Bug > Affects Versions: 3.2, 3.1.1 > Reporter: Buharov Alexander > Attachments: Problem.zip > > > We have vector v and matrix s (from file S.txt) > v - vector ( size: 1*649 ) > s - matrix ( size: 554*649 ) > We want solve linear problem: > * max (v[31]) > * Bounds: > * s*v = 0 > * -1 <= v[i] <= 1 for i=0,..., 648 > We changed MaxIter parameter (from 100 to 1e+6). And we changed epsilon ( set default value and 1e-3). But solver always throws TooManyIterationsException (and work very slow). -- This message was sent by Atlassian JIRA (v6.2#6252)