NAG Library Manual, Mark 30.3
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

E04RFF 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  :: End of G