Hello Liam,
Can you try if the following code helps with the problem you have?
z=zeros(1,0); %defining an array z to store output in
for i=1:3 %depends on size of array x
t=y(y>x(i)); %this will store all elements in t that are greater than x(i)
z(end+1)=t(1); %this will extract the first element of t which is also the smallest (since y was in ascending order)
end
