bill2_newton_system

bill2_newton_system:
  Use Newton's method for a root of the bill2 function.
it = 0, x = ( 1 1 )
it = 0, ||f(x)|| = 1.74124
it = 1, x = ( 0.447953 1.6296 )
it = 1, ||f(x)|| = 0.377728
it = 2, x = ( 0.537204 1.5407 )
it = 2, ||f(x)|| = 0.00676425
it = 3, x = ( 0.538123 1.53758 )
it = 3, ||f(x)|| = 4.91968e-06
it = 4, x = ( 0.53812 1.53757 )
it = 4, ||f(x)|| = 3.2538e-11
it = 5, x = ( 0.53812 1.53757 )
it = 5, ||f(x)|| = 2.22045e-16

  Number of steps = 5
  x = (0.53812, 1.53757)
  f(x) = (0, 2.22045e-16)
diary off
bill2_newton_system1

bill2_newton_system1:
  Use Newton's method for a root of the bill2 function.

  Number of steps = 5
  x = (0.53812, 1.53757)
  f(x) = (0, 2.22045e-16)
diary off