%
%  This script is used as input to tutor.m
%  Leave off ; in pause lines
%
A = [4 1 3 2; 5 0 2 1];
A(1,3)      %% pause
A(1,:)      %% pause
A(:,2)'     %% pause
A(3,2)      %% pause
C = A(:);
C'          %% pause
B = [1 3 5 2 4];
B(B)        %% pause
find(mod(B,2)==0)  %% pause
D = A;
D([1 2],:) = D([2 1],:);
D(1,:)      %% pause
D(2,:)      %% pause