function cekDiff(A, CPU, GPU)
%CEKDIFF Summary of this function goes here
%   Detailed explanation goes here
n = size(A,1);
disp('============Matriks Asli============')
disp(A)
hasil = eye(n);
cekCPU = eye(n);
cekGPU = eye(n);
hasil = luA(A,n);
disp('============Matriks Hasil===========')
disp(hasil)
for i=1:n
    for j=1:n
         cekCPU(i,j) = abs(hasil(i,j) - CPU(i,j));
    end
end
 for k=1:n
     for l=1:n
        cekGPU(k,l)=abs(hasil(k,l) - GPU(k,l));
     end
 end
maksCPU = cekCPU(1,1);
for i=1:n
    for j=1:n
        if(maksCPU<cekCPU(i,j))
            maksCPU = cekCPU(i,j);
        end
    end
end
maksGPU = cekGPU(1,1);
for i=1:n
    for j=1:n
        if(maksGPU<cekGPU(i,j))
            maksGPU = cekGPU(i,j);
        end
    end
end
 disp('==========Diff============')
 disp('Maksimum CPU: ')
 disp(maksCPU)
 disp('Maksimum GPU: ')
 disp(maksGPU)
end