clc
clear all
% exercise 1 - Chapter 27 (nested loops)
% add two matrices together
disp('Exercise 1 - Chapter 27')
disp('Add two matrices')
% inputs
a=[1 4 6;-7 8 1;0 2 11]; % matrix a
b=[0 0 3;12 4 2;5 1 -3]; % matrix b
disp('1st matrix:')
disp(a)
disp('2nd matrix:')
disp(b)
% code
[r,c]=size(a);
for i=1:1:r
    for j=1:1:c
        add(i,j)=a(i,j)+b(i,j);
    end
end
disp('Output matrix:')
disp(add)