جلد 20، شماره 3 - ( 6-1388 )
جلد 20 شماره 3 صفحات 123-117 |
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Sadjadi S J, Aryanezhad M, Sadeghi H. An Improved WAGNER-WHITIN Algorithm. IJIEPR 2009; 20 (3) :117-123
URL: http://ijiepr.iust.ac.ir/article-1-73-fa.html
URL: http://ijiepr.iust.ac.ir/article-1-73-fa.html
An Improved WAGNER-WHITIN Algorithm. نشریه بین المللی مهندسی صنایع و تحقیقات تولید. 1388; 20 (3) :117-123
چکیده: (9627 مشاهده)
We present an improved implementation of the Wagner-Whitin algorithm for economic lot-sizing problems based on the planning-horizon theorem and the Economic- Part-Period concept. The proposed method of this paper reduces the burden of the computations significantly in two different cases. We first assume there is no backlogging and inventory holding and set-up costs are fixed. The second model of this paper considers WWA when backlogging, inventory holding and set-up costs cannot be fixed. The preliminary results also indicate that the execution time for the proposed method is approximately linear in the number of periods in the planning-horizon .
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