lesson_2_ex_1_19_20

%insert matrix A elements from keyboard
for i=1:3
  for j=1:4
    A(i,j)=input("Dose stoixeio tou A:")
  end 
end
%insert matrix B elements from keyboard
for i=1:3
  for j=1:4
    B(i,j)=input("Dose stoixeio tou B:")
  end 
end

%Matrix addition 
C=A+B