Re: ./configure does not recognize umfpack library.

[Dmitri A. Sergatskov]

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.
--



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