E02JDF Example Program Data
 100                                          : number of data points to fit
  1                                           : no. points for vector evaluation
  0  0                                        : (x_i,y_i) vector to eval.
  101  101                                    : (n_x,n_y) size for mesh eval.
  0  0                                        : mesh lower-left corner
  1  1                                        : mesh upper-right corner
  F                                           : display the computed mesh vals?