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Power control in lognormal fading wireless channels with uptime probability specifications via robust geometric programming
Lognormal decline power control wireless transmitter random geometry application geometric programming
2015/8/10
This paper concerns power control in lognormal fading wireless channels with correlated interference. We consider an outage-based quality of service (QoS) specification, which requires the uptime prob...
Tractable approximate robust geometric programming
Geometric programming linear programming piecewise-linear function robust geometric programming robust linear programming robust optimization
2015/8/10
The optimal solution of a geometric program (GP) can be sensitive to variations in the problem data. Robust geometric programming can systematically alleviate the sensitivity problem by explicitly inc...
Robust的分布式k中心聚类算法的研究与实现
围绕中心点的划分（PAM）算法 并行 消息传递接口（MPI）
2009/12/10
并行处理的研究在数据挖掘中是十分必要的。在理论分析的基础上，提出在对经典串行PAM算法进行并行时应如何从局部聚类信息生成完备的全局聚类信息，据此提出了算法DPAM，在提高计算性能的同时，使聚类质量等价于相应串行PAM算法。为提高并行算法的执行效率，还介绍了如何减小计算结点间通信的代价。最后对提出的算法进行性能分析和实验，说明该算法是高效可行的。