NAG Library Manual, Mark 28.4
Interfaces:  FL   CL   CPP   AD 

NAG AD Library Introduction
Example description

F01EJ_T1W_F C++ Header Example Program Results


   Log(A)
            1          2          3          4
 1      1.1957    -1.2076    -0.5802     1.0872
 2      0.8464     1.0133    -0.5985    -0.1641
 3      0.4389     0.6701     1.8449    -1.2111
 4      1.2792     0.6177     2.1448    -1.9743


 Derivatives calculated: First order tangents
 Computational mode    : algorithmic

 Derivatives of diagional of log(A) w.r.t diagonal of A:

      d(logA(i,i)/dA(j,j)
            1          2          3          4
 1      0.3086    -0.1355    -0.1063     0.4332
 2     -0.1355     0.3038    -0.0082    -0.1601
 3     -0.1063    -0.0082     0.2818    -1.1673
 4      0.4332    -0.1601    -1.1673     5.8943