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1.種群中的粒子在每一次更新迭代以后,都按照適應(yīng)度值的大小降序排列。如果目標(biāo)函數(shù)求極小值,則取適應(yīng)度值較小的后一半粒子直接進(jìn)入下一代(如果目標(biāo)函數(shù)求極大, 則取適應(yīng)度值較大的前一半粒子直接進(jìn)入下一代),將剩余的粒子置于雜交池中進(jìn)行遺傳算法的交叉操作,生成和父代數(shù)目相同的子代,再和父代的粒子相比較,適應(yīng)度值較小的后一半進(jìn)入下一代,與之前直接進(jìn)入下一代的粒子構(gòu)成新的粒子群。 2.在以關(guān)鍵路線上的某一節(jié)點為起始節(jié)點和終止節(jié)點而構(gòu)成的閉合圈內(nèi),所有關(guān)鍵調(diào)試活動的持續(xù)時間總和必須大于該圈內(nèi)非關(guān)鍵調(diào)試活動持續(xù)時間的總和; 3.x和y分別為閉合圈內(nèi)關(guān)鍵路線上調(diào)試活動的平均持續(xù)時間和壓縮時間,a和b分別為閉合圈內(nèi)非關(guān)鍵路線上調(diào)試活動的平均持續(xù)時間和壓縮時間,c是第j個閉合圈內(nèi)所有調(diào)試活動的方差的均方根,d是第個閉合圈在規(guī)定壓縮水平下的常數(shù). |

版主 (文壇精英)
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1、After each update iteration, particle population are arranged in descending order according to the size of the fitness values. If the objective function obtained the minimum value , then take the fitness value smaller particles of the rear half directly into the next generation (if the objective function obtained the maximum value , then take the fitness value larger particles of the first half directly into the next generation). The remaining particles placed in a pool of hybrid genetic for crossover to generate offspring generations of the same number of the parent generations. Offspring and parent particles are compared and the smaller fitness value half particles taken into a after generation to constitute a new generation of particle swarm with direct taking into the next before. 2、In a closed circle with a node on the critical path for the start and end node , the sum time of all key commissioning activities must be greater than the sum of the circle's non-critical commissioning activities。 3、While x and y are the average duration and compression time of a closed circle on the critical path of commissioning activities ,a and b are the average duration and compression time of a closed circle of the non-critical path of commissioning activities , c is mean square variance of commissioning activities of the closure ring of the j-th , and d is the constant for the p-th closed loop under a predetermined level of compression. d是第個閉合圈在規(guī)定壓縮水平下的常數(shù).改為d是第P個閉合圈在規(guī)定壓縮水平下的常數(shù).原文是如何說的,自己核對,如有錯誤,敬請諒解! |

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