topsisfa.m

signal and system answer

    clear
a=[0.038615 0.5753 2.9109 3.0434];
b=[1/1.225 1/3.45 1/2.45 1/3.65];
e=zeros(1,4);f=zeros(1,4);
for i=1:4
    e(i)=(a(i)-a(1))/(a(4)-a(1));
    f(i)=(b(1)-b(i))/(b(1)-b(4));
end
g=zeros(1,4);h=zeros(1,4);
g=e*0.4;
h=f*0.6;
max=[0.4 0];
min=[0 0.6];
c=zeros(1,4);d=zeros(1,4);
for i=1:4
    c(i)=sqrt((g(i)-max(1))^2+(h(i)-max(2))^2);
    d(i)=sqrt((g(i)-min(1))^2+(h(i)-min(2))^2);
end
u=zeros(1,4);
for i=1:4
    u(i)=d(i)/(c(i)+d(i));
end