CCE11.m

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% Citation:
% Enginoğlu, S., Memiş, S., 2018. A Configuration of Some Soft Decision-Making  
% Algorithms via fpfs-matrices. Cumhuriyet Science Journal, 39(4), 871-881 
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% Abbreviation of Journal Title: Cumhuriyet Sci. J.
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% https://dergipark.org.tr/tr/download/article-file/605518
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% https://www.researchgate.net/profile/Serdar_Enginoglu2
% https://www.researchgate.net/profile/Samet_Memis2
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% % Demo: 
% clc;
% clear all;
% % a is an fpfs-matrix
% % s is a score matrix
% % dm is a decision matrix
% % op is a optimum alternatives' matrix 
% a=rand(5,4);
% [s,dm,op]=CCE11(a);
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function [s,dm,op]=CCE11(a)
%% Step 1
[m,n]=size(a);
%% Step 2
    for i=2:m
        s(i-1,1)=sum(a(1,:).*a(i,:))/sum(sign(a(1,:)));
    end
%% Step 3
    for i=1:m-1
        if max(s)~=0
            dm(i,1)=s(i,1)/max(s);
        else
            dm(i,1)=1;
        end
    end
count=1;
    for i=1:m-1        
        if(dm(i,1)==max(dm))
            op(count)=i;
            count=count+1;
        end
    end
end