[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: ./configure does not recognize umfpack library.
From: |
Dmitri A. Sergatskov |
Subject: |
Re: ./configure does not recognize umfpack library. |
Date: |
Mon, 09 May 2005 15:33:06 -0600 |
User-agent: |
Mozilla Thunderbird (X11/20050322) |
David Bateman wrote:
a = 100*speye(100,100) + sprandn(100,100,0.05);
[l,u,p] = lu (a);
Appears to be working fine:
octave:1> a = 100*speye(100,100) + sprandn(100,100,0.05);
octave:2> [l,u,p] = lu (a);
octave:3> l
l =
Compressed Column Sparse (rows=100, cols=100, nnz=2375)
(1 , 1) -> 1
(20 , 1) -> -0.0098700
(2 , 2) -> 1
(18 , 2) -> -0.0043280
(20 , 2) -> 4.3534e-05
(57 , 2) -> 0.0082136
(65 , 2) -> -0.0024902
(78 , 2) -> 0.0026770
(84 , 2) -> 0.0076365
(3 , 3) -> 1
(23 , 3) -> 0.0043890
(34 , 3) -> -0.0072133
(35 , 3) -> -0.0060069
(62 , 3) -> -0.0029303
(4 , 4) -> 1
(10 , 4) -> 0.0072642
(24 , 4) -> -0.020211
(40 , 4) -> 0.010109
(44 , 4) -> 0.0058647
(57 , 4) -> -0.0086316
warning: broken pipe -- some output may be lost.
([l,u,p] = splu (a); seems to be working as well)
Dmitri.
--
-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.
Octave's home on the web: http://www.octave.org
How to fund new projects: http://www.octave.org/funding.html
Subscription information: http://www.octave.org/archive.html
-------------------------------------------------------------