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 6E38D119A0 for ; Thu, 20 Feb 2014 16:07:25 +0000 (UTC) Received: (qmail 20191 invoked by uid 500); 20 Feb 2014 16:07:20 -0000 Delivered-To: apmail-commons-issues-archive@commons.apache.org Received: (qmail 20017 invoked by uid 500); 20 Feb 2014 16:07:20 -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 20007 invoked by uid 99); 20 Feb 2014 16:07:20 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 Feb 2014 16:07:20 +0000 Date: Thu, 20 Feb 2014 16:07:19 +0000 (UTC) From: "alberto trivellato (JIRA)" To: issues@commons.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (MATH-1100) QR factorization fails in revealing rank-deficient matrix MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 alberto trivellato created MATH-1100: ---------------------------------------- Summary: QR factorization fails in revealing rank-deficient matrix Key: MATH-1100 URL: https://issues.apache.org/jira/browse/MATH-1100 Project: Commons Math Issue Type: Bug Affects Versions: 3.2 Environment: Java HotSpot(TM) Client VM (build 19.1-b02, mixed mode, sharing) an windows 7 professional Reporter: alberto trivellato given a matrix that has not full rank, the method getSolver().isNonSingular() of the class QRDecomposition returns true. -- This message was sent by Atlassian JIRA (v6.1.5#6160)