NAG Library Manual, Mark 30
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NAG AD Library Introduction
Example description

 F03BN_P0W_F Example Program Results

 Array A after factorization
             1          2          3
 1      1.0000     0.0000    -5.0000
        1.0000     3.0000    14.0000
 
 2      1.0000     0.0000    -3.0000
        0.0000     2.0000     6.0000
 
 3      0.5000     0.2500    -0.2500
       -0.5000     0.2500    -0.2500

 Pivots
              2             3             3

 D = (      0.06250,      0.00000), ID = (4, 0)

 Value of determinant = (  0.10000E+01,  0.00000E+00)