#3

function avarMas()
arr = rand(1,10);
out = zeros(1,10);
razmer = length(arr);
out(1)=arr(1);
out(10)=arr(10);
for i=2:razmer-1
out(i)=(arr(i-1)+arr(i+1))/2;
end
disp(arr);
disp(out);
end