aaexponentialpdf.m

自适应信号处理中LMS

function[x,m,sd]=aaexponentialpdf(b,N)
%function[x,m,sd]=aaexponentialpdf(b,N)
for i=1:N
    x(i)=-b*log(rand);%log is MATLAB function that gives
end;                  %the natural algorithm;
m=mean(x);            %mean(x)=MATLAB function providing the mean value;
sd=std(x);            %std(x)=MATLAB function providing the standard
                      %deviation which is the square root of the variance;