Research Article

Parameter Tuning for Local-Search-Based Matheuristic Methods

Algorithm 1

Steepest descent algorithm.
Input:  (portion of the resources included in )
Output:   (locally optimal solution)
(1) begin
(2)  ;
(3)  ;
(4)   solve ;
(5)  repeat
(6)   localOptimum = true;
(7)   ;
(8)   foreachdo
(9)     solve ;
(10)    Ifthen
(11)      ;
(12)      ;
(13)      localOptimum = false;
(14)  until localOptimum;
(15)  return ;