i= 87

x(0)=1.00000e+00  x(1)=1.00000e+00  f=2.44512e-16
x(0)=1.00000e+00  x(1)=1.00000e+00  f=3.84621e-16
x(0)=1.00000e+00  x(1)=1.00000e+00  f=1.93158e-16

x( 0)=1.00000e+00
x( 1)=1.00000e+00
J=4.09579e-17