NAG Library Manual, Mark 28.5
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 E02DHF Example Program Results

 Spline fit used smoothing factor S =   1.0000E-01.
 Number of knots in each direction  =   10,   13.

 Sum of squared residuals           =   1.0004E-01.

 Derivative of spline has order nux, nuy =    1,    0.

 Spline evaluated on X-Y grid (X across, Y down):
          0.00    1.00    2.00    3.00    4.00    5.00
 0.00    0.992   2.043   3.029   4.014   5.021   5.997
 1.00    0.541   1.088   1.607   2.142   2.705   3.239
 2.00   -0.417  -0.829  -1.241  -1.665  -2.083  -2.485
 3.00   -0.978  -1.975  -2.914  -3.913  -4.965  -5.924
 4.00   -0.648  -1.363  -1.991  -2.606  -3.251  -3.933

 Spline derivative evaluated on X-Y grid:
          0.00    1.00    2.00    3.00    4.00    5.00
 0.00    1.093   1.013   0.970   1.004   1.001   0.939
 1.00    0.565   0.531   0.515   0.558   0.559   0.499
 2.00   -0.429  -0.404  -0.421  -0.423  -0.412  -0.389
 3.00   -1.060  -0.951  -0.949  -1.048  -1.031  -0.861
 4.00   -0.779  -0.661  -0.608  -0.628  -0.663  -0.701