11个坐标func1.txt

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Generation of interpolation tables
... y=1/(1+x^2)    -5<x<5
How many entries go in these tables?(Note: N<10)
10
       x           f(x)    interpolated   error
   -5.000000    0.038462  203.604851    .5121E+02
   -4.000000    0.058824   88.775118    .1829E+02
   -3.000000    0.100000   35.874627    .5628E+01
   -2.000000    0.200000   13.334684    .1407E+01
   -1.000000    0.500000    4.565834    .2558E+00
    0.000000    1.000000    1.483433    .2558E-01
    1.000000    0.500000    0.500000    .0000E+00
    2.000000    0.200000    0.200000    .0000E+00
    3.000000    0.100000    0.100000    .0000E+00
    4.000000    0.058824    0.058824    .0000E+00
    5.000000    0.038462    0.038462    .0000E+00