function [ output_args ] = StatDeviation( this,PG0,QG0,PD0,QD0 )%ͳ¼ÆÎó²î
%STATDEVIATION Summary of this function goes here
%   Detailed explanation goes here
PDArray=PD;
PD0Array=repmat(PD0,1,1);
QD0Array=repmat(QD0,1,1);
PDDev=(PDArray-PD0Array)/0.05;
QDDev=(QDArray-QD0Array)/0.05;
wholeMat=[PDDev;QDDev;];
t1=wholeMat.^2;
t2=sum(t1,1);
t3=t2/size(t1,1);
t4=t3.^.5;
output_args=sum(t4)/length(t4);
end