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s_ni4=var(y)/var(dyi4); dyo4=zn4-znn; s_no4=var(znn)/var(dyo4);

in=[s_ni,s_ni1,s_ni2,s_ni3,s_ni4]; out=[s_no,s_no1,s_no2,s_no3,s_no4]; figure(3); plot(in,out,'*') hold on plot(in,out)

xlabel('ÊäÈëÐÅÔë±È'); ylabel('Êä³öÐÅÔë±È')

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