Thu Aug 24 10:44:57 2023

broyden_test():
  Python version: 3.8.10
  Test broyden()

broyden_test01():
  broyden() solves a system of nonlinear equations
  using Broyden's method.
  Test it on a single nonlinear equation.
  Initial residual norm:  5.0

  Final residual norm: 1.1850431413940044e-08

broyden_test02():
  broyden() solves a system of nonlinear equations
  using Broyden's method.
  Test it on 2 nonlinear equations.
  Initial residual norm: 20.0

broyden(): iteration terminated.
  Rejected step 0
  Residual ratio increase =  152.41955255150174

  Final residual norm: 3048.3910510300348

broyden_test03():
  broyden() solves a system of nonlinear equations
  using Broyden's method.
  Test it on 4 nonlinear equations.
  Initial residual norm: 18.81488772222678

broyden(): iteration terminated.
  Rejected step 0
  Residual ratio increase =  22.677298935403435

  Final residual norm: 426.67083331298846

broyden_test04():
  broyden() solves a system of nonlinear equations
  using Broyden's method.
  Test it on 8 nonlinear equations.
  Initial residual norm: 2.8284271247461903

broyden(): iteration terminated.
  Rejected step 0
  Residual ratio increase =  1.5411035007422442

  Final residual norm: 4.358898943540674

broyden_test05():
  broyden() solves a system of nonlinear equations
  using Broyden's method.
  Test it on the Chandrasekhar function.

  Error flag IERR =  0

  Residual norm: 1.8130389336293806e-05

broyden_test():
  Normal end of execution.
Thu Aug 24 10:44:57 2023