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电力之弦为何突然绷紧
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作者 欧阳昌裕 《半月谈》 北大核心 2003年第16期33-35,共3页
今年以来.我国多数省区出现了拉闸限电现象,久违的“缺电”生活又重新回到身边。今夏的高温,让人们对“缺电”之痛感受更为深刻。
关键词 电力供应 电力体制 电力工业 经济增长速度 投产规模 电力资源 电网安全
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OPTIMIZING CHINA'S EXPORT STRUCTURE COMBINING GOAL PROGRAMMING AND NON-COMPETITIVE INPUT-OUTPUT MODEL 被引量:2
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作者 MU Zhirui YANG Cuihong 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2014年第4期712-728,共17页
supported by the Taishan Scholar Construction Engineering by Shandong Government the National Natural Science Foundation of China under Grant Nos.61120106011 and 61203029
关键词 Export structure goal programming multi-objective model non-competitive input-outputmodel processing export.
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Robust linear optimization under matrix completion
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作者 WEN ShouWen XU FangFang +1 位作者 WEN ZaiWen LIN Chen 《Science China Mathematics》 SCIE 2014年第4期699-710,共12页
Linear programming models have been widely used in input-output analysis for analyzing the interdependence of industries in economics and in environmental science.In these applications,some of the entries of the coeff... Linear programming models have been widely used in input-output analysis for analyzing the interdependence of industries in economics and in environmental science.In these applications,some of the entries of the coefficient matrix cannot be measured physically or there exists sampling errors.However,the coefficient matrix can often be low-rank.We characterize the robust counterpart of these types of linear programming problems with uncertainty set described by the nuclear norm.Simulations for the input-output analysis show that the new paradigm can be helpful. 展开更多
关键词 robust optimization linear programming matrix completion input-output analysis
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