Matlab 两种比较三个数的大小

J1 = 0.1;
J2 = 0.2;
J3 = 0.05;
if (J1 <= J2 && J1 <= J3)
%     min = J1;
    J = 1;
else if (J2 <= J3)
%         min = J2;
        J = 2;
    else
%         min = J3;
        J = 3;
    end
end
J
%另一种更简洁的方法
a = [J1 J2 J3];
[m index] = min(a); 
J = index

 

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