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

G02AA_A1W_F Example Program Data
 4                         :: n
 2.0   -1.0    0.0    0.0
-1.0    2.0   -1.0    0.0
 0.0   -1.0    2.0   -1.0
 0.0    0.0   -1.0    2.0  :: G