NAG Library Manual, Mark 27.2
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 E05SAF Example Program Results

 Minimization of the Schwefel function.

   Default Option Queries:

   Boundary                             :                 FLOATING        
   Maximum Iterations Completed         :          1000   DEFAULT         
   Distance Tolerance                   :        0.0001

 1. Solution without using coupled local minimizer.

  Algorithm Statistics
  --------------------
  Total complete iterations             :           395
  Complete iterations since improvement :           152
  Total particles converged to xb       :             2
  Total improvements to global optimum  :            59
  Total function evaluations            :          2773
  Total particles re-initialized        :             2

  Solution Status :          Maximum static iterations attained

  Known objective optimum               :    -837.96577
  Achieved objective value              :    -837.96567

  Comparison between known and achieved optima.
        x_target          xb
  1      -420.97     -420.95
  2      -420.97     -420.94

 2. Solution using coupled local minimizer E04CBF

  Algorithm Statistics
  --------------------
  Total complete iterations             :            51
  Complete iterations since improvement :             1
  Total particles converged to xb       :             0
  Total improvements to global optimum  :            12
  Total function evaluations            :           537
  Total particles re-initialized        :             0

  Solution Status :                       Target value achieved

  Known objective optimum               :    -837.96577
  Achieved objective value              :    -837.96577

  Comparison between known and achieved optima.
        x_target          xb
  1      -420.97     -420.97
  2      -420.97     -420.97

 3. Solution using coupled local minimizer E04DGF

  Algorithm Statistics
  --------------------
  Total complete iterations             :           123
  Complete iterations since improvement :             1
  Total particles converged to xb       :             0
  Total improvements to global optimum  :            10
  Total function evaluations            :           898
  Total particles re-initialized        :             0

  Solution Status :                       Target value achieved

  Known objective optimum               :    -837.96577
  Achieved objective value              :    -837.96568

  Comparison between known and achieved optima.
        x_target          xb
  1      -420.97     -420.95
  2      -420.97     -420.95