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凯鲁嘎吉 - 博客园 http://www.cnblogs.com/kailugaji/ 造纸厂接到定单,所需卷纸的宽度和长度如表 卷纸的宽度 长度 5 7 9 10000 30000 20000 工厂生产1号(宽度10)和2号(宽度20)两种标准卷纸,其长度未加规定.现按定单要求对标准卷纸进行切割,切割后有限长度的卷纸可连接起来达到所需卷纸的长度.问如何安排切割计划以满足定单需求而使切割损失最小? 解:为了满足定单要求和使切割损失最小,我们可以使用多种切割方法来进行组合.此时,我们不但要考虑对…
凯鲁嘎吉 - 博客园 http://www.cnblogs.com/kailugaji/ 说明: Lingo版本:                            某工厂明年根据合同,每个季度末向销售公司提供产品,有关信息如下表.若当季生产的产品过多,季末有积余,则一个季度每积压一吨产品需支付存贮费O.2万元.现该厂考虑明年的最佳生产方案,使该厂在完成合同的情况下,全年的生产费用最低.试建立模型. 季度j 生产能力aj(吨) 生产成本dj (万元/吨) 需求量bj(吨)     1    …
凯鲁嘎吉 - 博客园 http://www.cnblogs.com/kailugaji/  某糖果厂用原料A.B和C按不向比率混合加工而成甲.乙.丙三种糖果(假设混合加工中不损耗原料).原料A.B.C在糖果甲.乙.丙中的含量.原料成本.加工成本.原料限量及糖果售价如表所示.   问该厂对这三种糖果各生产多少公斤,使得到的利润最大? 含量(%) j号糖果 原料供应量 ai(公斤)   成本(元/公斤)  甲(1号)  乙(2号)  丙(3号) i号原料     A(1号)   ≥60%    ≥1…