NAG Library Manual, Mark 28.3
Interfaces:  FL   CL   CPP   AD 

NAG CL Interface Introduction
Example description

nag_interp_dim2_spline_grid (e01dac) Example Program Results
Distinct knots in x direction located  at
      1.0000       1.3000       1.5000       1.6000       2.0000

Distinct knots in y direction located  at
      0.0000       0.4000       0.7000       1.0000

The B-Spline coefficients:
   1.0000   1.1333   1.3667   1.7000   1.9000   2.0000
   1.2000   1.3333   1.5667   1.9000   2.1000   2.2000
   1.5833   1.7167   1.9500   2.2833   2.4833   2.5833
   2.1433   2.2767   2.5100   2.8433   3.0433   3.1433
   2.8667   3.0000   3.2333   3.5667   3.7667   3.8667
   3.4667   3.6000   3.8333   4.1667   4.3667   4.4667
   4.0000   4.1333   4.3667   4.7000   4.9000   5.0000

Spline evaluated on a regular mesh      (x across, y down): 
         1.00     1.20     1.40     1.60     1.80     2.00 
 0.00   1.000    1.440    1.960    2.560    3.240    4.000 
 0.20   1.200    1.640    2.160    2.760    3.440    4.200 
 0.40   1.400    1.840    2.360    2.960    3.640    4.400 
 0.60   1.600    2.040    2.560    3.160    3.840    4.600 
 0.80   1.800    2.240    2.760    3.360    4.040    4.800 
 1.00   2.000    2.440    2.960    3.560    4.240    5.000