Makinguseofaneasiermethod,thispaperderivestheprobabilitydensityfunction（pdf）ofthelinearcombinationofrandomvariableZ=αX＋βY.Furthermore,cumulativedistributionfunction（cdf）ofZ=αX＋βY,whereXandYhavethebivariateexponentialdistributions,hasalsobeenproposedinthispaper.Resultsfromthispaperwouldhaveimportantroleinthereliabilitystudy.
数学计算：中英文版
2015年2期
