NAG Library Manual, Mark 27.2
Interfaces:  FL   CL   CPP   AD 

NAG AD Library Introduction
Example description

F01EF_T1W_F C++ Header Example Program Results


   Exp(A)
         1       2       3       4
 1  -0.5420 -0.6612 -0.0261  0.1580
 2           0.2306 -0.3396 -0.0261
 3                   0.2306 -0.6612
 4                          -0.5420


 Derivatives calculated: First order tangents
 Computational mode    : algorithmic

 Derivatives of diagonal of f(A) w.r.t diagonal of A:

      d(fA(i,i)/dA(j,j)
         1       2       3       4
 1   0.1035  0.0469 -0.0070 -0.1346
 2   0.0469  0.3728  0.0055 -0.0070
 3  -0.0070  0.0055  0.3728  0.0469
 4  -0.1346 -0.0070  0.0469  0.1035