How to find unique

I have two columns of numbers, X and Y, and i need to find each unique combination of numbers, so far i have this code

s=0
for i=1:n;
if length(unique(x(i)))==x(i);
   s=s+length(unique(y(i)));
else if length(unique(y(i)))==y(i);
       s=s+length(unique(x(i)));
   end
end
end

I'm getting closer to my answer, so hopefully it just needs a few small tweaks, but i can't figure out what?

Answer 1

[Walter Roberson]

unique([x,y],'rows')

[regina]

okay, so i've defined

date=unique([x, y], 'rows');

outside of my for loop, where x and y are previously defined as the two different columns, then my for loop:

    x=0
for i=1:ngames;
    if 2003==year(i) & numel(date);
        x=x+1;
    end
end

where ngames=size(tab,1);

year=another column

but this is giving me the number of rows in 2003, but instead i want the number of unique dates in 2003

EDIT:wait actually, on the left hand side in the workspace tab, a table of variables has been created called date 192x2, and when i open this they are the values i want, how do i get it so it prints the answer 192? Thanks

EDIT 2:okay, solved this now by using length(date)

thank you for pointing me in the right direction!