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x=[1 1 0 0 0 0 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 ];
m1=0; for i=1:length(x), m1=m1+i*x(i); end; m1=m1/sum(x)m2=0; for i=1:length(x), m2=m2+(i-m1)^2*x(i); m2=m2/sum(x); end;
Вот так и получил