NAG Library Manual, Mark 30.3
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NAG FL Interface Introduction
Example description

 E01AEF Example Program Results

 Total number of interpolating conditions =   7

 Interpolating polynomial

    i                a_i
    0              9.1250
    1             -4.5781
    2              0.4609
    3              2.8516
    4             -2.8125
    5              2.2266
    6             -0.7109

   i   x_i    order(k)   y^(k)    Residual
   1   2.0      0        1.0         - 
   2   4.0      0        2.0         - 
                1       -1.0         - 
   3   5.0      0        1.0         - 
   4   6.0      0        2.0         - 
                1        4.0         - 
                2       -2.0         -