jump_newton

jump_newton:
  Use Newton's method to seek a root of the jump function.
it = 0  x =                    7  f(x) = 0.625277
it = 1  x =    7.329739105576416  f(x) = -0.015229
it = 2  x =    7.321840640954948  f(x) = 1.26005e-05
it = 3  x =    7.321847165413931  f(x) = 8.31424e-12
it = 4  x =    7.321847165418236  f(x) = 0

  Number of steps = 4
  f(7.32185) = 0
quit