% Part 3.1: Diagonal
%A
rng('default')
r2 = randi(100,3,3); % Creating a 3x3 matrix, with random values from 1 to 100
%B
d = diag(r2) % Obtain the diagonal elements
%C
Metod1 = d(2,1) % Using two parameters (row 2, column 1)
Metod2 = d(3) % Using one parametr (3rd element)
%D
for K = 1 : size(d,1)
D(K,K) = d(K); % d matrix has only 3 rows , 1 col
end
D % declare/assign a new matrix which stores all elements of d into D diagonally.
