描述
x=norminv(p，mu， sigma ) computestheinverseofthenormalcdfusingthecorrespondingmeanmuandstandarddeviationsigmaaatthecorrespondingprobabilitiesion mu and sigma can be vectors，matrices， ormultidimensionalarraysthatallhavethesamesize.ascalarinputisexpandedtoaconstantarraywithesamedimensastheotherinputs. 选择，andthevaluesinpmustlieintheinterval [ 01 ]。
[X，XLO，xndxgz=norminv(p，mu，sigma，pcov， 阿尔法) producesconfidenceboundsforxwhentheinputparametersmuandsigmaareestimates.pcovisthecovariancematrixoftheestimatedparameters . theestimatedparameters.specifies 100 (1- alpha ) % confidence bounds.thedefaultvalueofalphais 0.05.xlo and充满心意的大白arearearayay