% lect9_3: Built-in logical functions

% Exclusive or: xor()
xor(7,0)
xor(7,-5)
% all()
A = [6 2 15 9 7 11]
all(A)
B = [6 2 15 9 0 11]
all(B)
% any()
A = [6 0 15 0 0 11]
any(A)
B = [0 0 0 0 0 0]
any(B)
% find()
A = [0 9 4 3 7 0 0 1 8]
find(A)
find(A>4)
B = [3 2 0; -5 0 7; 0 0 1]
find(B)
find(B>2)
[r c v] = find(B)
B
[r c v] = find(B>2)