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From: | Yun |
Subject: | [Octave-bug-tracker] [bug #33887] LU Factorization cannot give a desired order of lower matrix |
Date: | Sat, 30 Jul 2011 04:54:19 +0000 |
User-agent: | Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0) |
URL: <http://savannah.gnu.org/bugs/?33887> Summary: LU Factorization cannot give a desired order of lower matrix Project: GNU Octave Submitted by: verilog Submitted on: Sat 30 Jul 2011 04:54:18 AM GMT Category: None Severity: 3 - Normal Priority: 5 - Normal Item Group: Incorrect Result Status: None Assigned to: None Originator Name: verilog Originator Email: Open/Closed: Open Discussion Lock: Any Release: 3.2.4 Operating System: Microsoft Windows _______________________________________________________ Details: I'm not sure if it is a bug a = [ 1 2 1; 2 1 2; 1 2 3 ] [ l, u ] = lu(a) output: l= 0.50000 1.00000 0.00000 1.00000 0.00000 0.00000 0.50000 1.00000 1.00000 what I expect: l= 1.00000 0.00000 0.00000 0.50000 1.00000 0.00000 0.50000 1.00000 1.00000 Thanks! _______________________________________________________ File Attachments: ------------------------------------------------------- Date: Sat 30 Jul 2011 04:54:18 AM GMT Name: test.m Size: 43B By: verilog <http://savannah.gnu.org/bugs/download.php?file_id=23713> _______________________________________________________ Reply to this item at: <http://savannah.gnu.org/bugs/?33887> _______________________________________________ Message sent via/by Savannah http://savannah.gnu.org/
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