v = [16 5 9 4 2 11 7 14]; v(3) % Extract the third element (ans = 9)A = [16 5 9; 4 2 11; 7 14 9]; % Create matrix A(2,3) % Extract the element in row 2, column 3 ans = 11 A(1:2,2:3) % Extract elements in rows 1 and 2, and columns 2 and 3 ans = 5 9 2 11Indicating indexes between ([]) retrieves corresponding values in Matlab. array_borders=array([1 end]) As end defines size of the array, retrieve first and last border values of array even_values=array(2:2:end) Retrieve only second elements of array, from secon with 2 step iteration increase until end of array. first_3_values=array(1:3) Retrieve only first 3 elements of array.