半连续函数的性质与应用..doc

文档介绍：,,但却具有一些与连续函数相近的性质,即连续函数的一个推广——,,之后重点讨论半连续函数的性质,详细介绍运算性,保号性,、应用,、变分不等式问题、:半连续;连续;,itscharacterizationissimilarwiththecontinuousfunctions,whichiscalledextensionofthecontinuousfunctionssemi-continuousfunctions,,,thispaperexpoundsthenatureofthecontinuousfunctionandapplication,andthendiscussesthenatureofthesemi-continuousfunctions,detailedmathematicalandapplication,introducedthenumberoftopologicalspace,--continuousfunctionsproperties,application,andfinallyapplicationcontinuousfunctionsemi-,inthemostproblems,variationalinequalities,:semi-continuous;continuous;functions;目录摘要 IAbstract II绪论 20结论 22参考文献 23致谢 ,,