Multiobjective Optimal Algorithm for Automatic Calibration of Daily Streamflow Forecasting Model

Algorithm 3

For each individual in archive set

Begin

  Set ;

  Generate a -dimension initial vector ;

  While ( is smaller than the maximum iteration number)

  Begin

    Calculate according to (9);

    Map the to the preset scope [, ] according to:

    Calculate the new individual generated from the current individual according to:

      , where is the shrinkage factor and should be set a small number to ensure that

      the Chaos searches in a small scope;

    If dominates

    Begin

      Replace with ;

      Delete the individuals dominated by ;

      Break while;

    End if

    Else

    Begin

      Replace with ;

    End else

    ;

  End while

End for