function?[gsrv1gsrv2]=gngauss（msgma）
%???[gsrv1gsrv2]=gngauss（msgma）
%???[gsrv1gsrv2]=gngauss（sgma）
%???[gsrv1gsrv2]=gngauss
%		GNGAUSS??generates?two?independent?Gaussian?random?variables?with?mean
%???		m?and?standard?deviation?sgma.?If?one?of?the?input?arguments?is?missing?
%???		it?takes?the?mean?as?0.
%???		If?neither?the?mean?nor?the?variance?is?given?it?generates?two?standard
%???		Gaussian?random?variables.?
if?nargin?==?0
??m=0;?sgma=1;
elseif?nargin?==?1
??sgma=m;?m=0;
end;
u=rand;?????????????????????????	%?a?uniform?random?variable?in?（01）???????
z=sgma*（sqrt（2*log（1/（1-u））））;??	%?a?Rayleigh?distributed?random?variable
u=rand;?????????????????????????	%?another?uniform?random?variable?in?（01）
gsrv1=m+z*cos（2*pi*u）;
gsrv2=m+z*sin（2*pi*u）;

?屬性????????????大小?????日期????時間???名稱
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?????文件?????????789??2020-09-17?11:15??Gngauss.m
?????文件????????6249??2020-09-17?11:15??Untitled2.m