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1. IntroductionIn bin packing, a list L of items, i.e. numbers in the range (0, 1], are to be packed illtobins, each of which has a capacity 1, and the goal is to minimize the number of bins used.The minimal number of bins into which L can be packed is denoted by OPT (L) for the listL. The first~fit-decreasing (FFD) algorithm first sorts the list into a non-increasing orderand then processes the pieces in that order by placing each item into the first bin icao whiChit fits. For tlist L, l… 相似文献
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利用锥预不变凸映射的性质和数值化方法,研究一类锥预不变凸映射的Pareto极小问题,得到此类问题的Lagrange函数的鞍点、最优性条件、对偶问题及其解的存在定理。 相似文献
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