简介：研究了L0-范数最小化问题的计算方法。提出了基于熵函数的求解L0-范数最小化问题的光滑化方法，通过熵函数将L0-范数最小化问题转化为光滑函数的最优化问题。针对光滑函数的选取，提出了求解L0-范数最小化问题的算法，并证明了算法的收敛性。

简介：Totheyear2020,Chinawillrealizethetargetofincreasingnon-fossilgenerationto15%ofthetotalenergyconsumption.Speedinguppowersourcesrestructuringcomesupasanarduoustaskduringthe12~(th)Five-YearPlanperiod.Inthisarticle,theauthoroutlinestheprinciplesofstructureadjustmentforvariouskindsofpowersources,andpointsouttheissuesneedingattentionduringtherestructuring.

简介：ChinaElectricityCouncilorganizedcompetentauthoritiesacrosstheindustryofelectricpowertoworkoutthe"ResearchReportsonthe12thFive-YearPlanforElectricPowerIndustry"innearlyoneyear,whichprovidesareferenceforgovernmentaldepartmentstoformulatethe12thFive-YearPlanonenergyandelectricpowerindustry.Themagazinewillpublishtheserialreportsincludingpowersources,powergrids,equipmentmanufacture,andpowereconomics.Thispaperpresentsthepartof"powereconomics,"inwhichtheeconomicanalysesontheelectricpowerindustryareputforward.