Execute the code for n$=3,$ n$=5,$ n$=10.$ Show outputs for n$=3,5,10$

Explain the functionality of RandomLinks function

function A $=$ RandomLinks$($n$)$

A$=$ zeros$($n$,$n$)$;

for i $=1$:n

for j $=1$:n

r$=$ rand$()$;

if i ~$=$ j && r $<=1/(1+$ abs$($i $-$ j$))$

A$($i$,$j$)=1$;

end

end

end