% Logicke operace
%%
a = 1:9, b = 9-a
tf = a>4
%%
a, b
tf = a==b
tf = b - (a>2)
%%
x = (-3:3)/3
sin(x)./x
%%
x = x + (x==0)*eps
sin(x)./x
%%
tf = a>4
%%
tf = -(a>4)
%%
tf = (a>2) & (a<6)
%%
discont
%%
% xor(x,y), any(x), all(x), isnan(x), isinf(x), finite(x)
