% строим две АКФ ZZ1 = Z-Y1; RR = zeros(1,(ns)); for i = 1:N-(ns/2)-1 RR(i) = Z(i)*Z(i+1); end RR = (1./(N-i))*RR; RR1 = zeros(1,(ns)); for i = 1:N-(ns/2)-1 RR1(i) = ZZ1(i)*ZZ1(i+1); end RR1 = (1./(N-i))*RR1; figure (5) plot (i,RR,i,RR1);