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【正文】 不奮斗就是每天都很容易,可一年一年越來越難。 參考文獻(xiàn):[1] 蔣長兵,[J]. 物流技術(shù),2005(9):65-67.[2] Harkness, J.,ReVelle,C., Facility location with increasing production costs[J]. European Journal of Operational Research 2003(145):1-13.[3] Efroymson, ., Ray, ., A branchandbound algorithm for plant location [J]. Operations Research 1966(14):361-368.[4] Goetschalckx, M., Vidal, ., Dogan, K., Modeling and design of global logistics systems: A review of integrated strategic and tactical models and design algorithms [J]. European Journal of Operational Research 2002(143):1-18.[5] Klose, A., A Lagrangean relaxandcut approach for the twostage capacitated facility location problem [J]. European Journal of Operational Research. 2000. 126 (2):185-198.[6] Vaidyanathan JayaramanAnthony Ross. A simulated alnnealing methodology to distribution network design and management [J]. European Journal of OperationalResearch,2003(144):629-645.[7] Mitsuo Gen, Admi Svarif, Hybrid genetic algorithm for multitime period production/ distribution planning [J] . Computersamp。在具體應(yīng)用時(shí),企業(yè)可根據(jù)具體情況進(jìn)行分析,并提出合理、經(jīng)濟(jì)的選址方案。4) 專家對(duì)各備選倉庫關(guān)于各主要因素進(jìn)行兩兩重要性評(píng)價(jià),計(jì)算各層元素對(duì)目標(biāo)層的總排序權(quán)重專家對(duì)各備選倉庫的逐對(duì)比較類似2中對(duì)于各因素的重要性評(píng)價(jià),同樣對(duì)所得的判斷矩陣都需進(jìn)行均一化、一致性檢驗(yàn)。3) 對(duì)判斷矩陣進(jìn)行均一化、一致性檢驗(yàn)假設(shè)由專家給出的判斷矩陣A的各項(xiàng)為則轉(zhuǎn)換成的均一矩陣B各項(xiàng)即由判斷矩陣各元素除以它的列和得到。在上幾步的基礎(chǔ)上,選址決策者根據(jù)其優(yōu)選結(jié)果、擬建倉庫個(gè)數(shù)以及企業(yè)自身戰(zhàn)略目標(biāo)等,以適當(dāng)?shù)倪x取比例按各備選倉庫在上步組合方案中被選中率選出進(jìn)行層次分析的備選倉庫。4) 控制參數(shù)在遺傳算法的實(shí)際運(yùn)用中,需要適當(dāng)確定某些參數(shù)的值以提高優(yōu)選的效果。一般通過選擇,使適應(yīng)度大的個(gè)體有較大存在機(jī)會(huì),而適應(yīng)度小的個(gè)體繼續(xù)存在的機(jī)會(huì)也比較小。若解碼后的十進(jìn)制數(shù),則采用求余實(shí)現(xiàn)循環(huán)處理,從而保證所有染色體均合
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