i                       x_i                      f_i 
     1.000000000000000e+00     5.000000000000000e-01    -5.000000000000000e-01
     2.000000000000000e+00     6.666666666666667e-01    -1.111111111111109e-01
     3.000000000000000e+00     7.000000000000000e-01    -2.000000000000013e-02
     4.000000000000000e+00     7.058823529411764e-01    -3.460207612456911e-03
     5.000000000000000e+00     7.068965517241379e-01    -5.945303210465047e-04
     6.000000000000000e+00     7.070707070707072e-01    -1.020304050604048e-04
     7.000000000000000e+00     7.071005917159763e-01    -1.750638983244457e-05
     8.000000000000000e+00     7.071057192374350e-01    -3.003643419430269e-06
     9.000000000000000e+00     7.071065989847716e-01    -5.153443788374901e-07
     1.000000000000000e+01     7.071067499256616e-01    -8.841913579082927e-08
     1.100000000000000e+01     7.071067758230274e-01    -1.517032577336153e-08
     1.200000000000000e+01     7.071067802663129e-01    -2.602816517871531e-09
     1.300000000000000e+01     7.071067810286602e-01    -4.465727787561491e-10
     1.400000000000000e+01     7.071067811594584e-01    -7.661971057615347e-11
     1.500000000000000e+01     7.071067811818997e-01    -1.314592878998155e-11
     1.600000000000000e+01     7.071067811857501e-01    -2.255418074526006e-12
     1.700000000000000e+01     7.071067811864107e-01    -3.870237463843296e-13
     1.800000000000000e+01     7.071067811865240e-01    -6.639133687258436e-14
     1.900000000000000e+01     7.071067811865435e-01    -1.143529715363911e-14