You can call a function from a function handle by appending parentheses to the end of the variable name, even if there are no input arguments.
fh = tellsoner;
out = fh()
out = fh()
out = fh()
function h = tellsoner
x = 0;
h = @legg_til_soner;
function y = legg_til_soner
x = x+1
y = x
end
end