umfpack_simple
  umfpack_simple:  a simple demo of UMFPACK
 
  UMFPACK Version 5.0, Copyright (c) 1995-2006 by Timothy A. Davis.
  All Rights Reserved.  Type umfpack_details for License.
 
  UMFPACK License:
 
      Your use or distribution of UMFPACK or any modified version of
      UMFPACK implies that you agree to this License.  UMFPACK is
      is free software; you can redistribute it and/or
      modify it under the terms of the GNU Lesser General Public
      License as published by the Free Software Foundation; either
      version 2.1 of the License, or (at your option) any later version.



Hit enter to agree to the above License: 

A =

     2     3     0     0     0
     3     0     4     0     6
     0    -1    -3     2     0
     0     0     1     0     0
     0     4     2     0     1


b =

     8
    45
    -3
     3
    19

Solution to Ax=b via UMFPACK:
x1 = umfpack (A, '\', b)

x1 =

    1.0000
    2.0000
    3.0000
    4.0000
    5.0000

Solution to Ax=b via MATLAB:
x2 = A\b

x2 =

    1.0000
    2.0000
    3.0000
    4.0000
    5.0000

norm (x1-x2) should be small: 1.28037e-15
Type 'umfpack_demo' for a full demo of UMFPACK
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