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MATLAB³õѧÕß Çó½Ì¸÷λ´óÉñ ´úÂëÈçÏÂ

Ex=0.5;
En=0.08;
He=0.01;
n=100;
X=zeros(1,n);   %²úÉúÒ»¸ö1*nÐ͵ľØÕ󣬯äÔªËØ¶¼Îª0
Y=zeros(1,n);
X=normrnd(En,He,1,n); %²úÉúÒ»¸ö1*nÐÍÕýÌ¬Ëæ»úÊý¾ØÕó£¬EnΪÆÚÍû£¬HeΪ·½²î
Xi=input('ÊäÈëËæ»úÊýX(1£¬i)£º '); %ÊÖ¶¯ÊäÈë¹Ì¶¨Ëæ»úÊýX
for i=1:n
    i;
    Enn=X(1,i);
    X(1,i)=Xi;
    Y(1,i)=exp(-(X(1,i)-Ex)^2/(2*Enn^2));
    MeanY=mean(Y); %ÇóËùÓÐÔÆµÎÔÚij¸ö¹Ì¶¨Ëæ»úÊýXÏÂµÄÆ½¾ùÁ¥Êô¶È
end
fprintf('Á¥Êô¶È¾ùֵΪ£º %8f',MeanY);
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