1function r = nested_test_2 () 2 a = 3; 3 b = 5; 4 c = 7; 5 f1 = @(f, x) f(x) + a; 6 f2 = @(y) f1 (@(z) z^2 + b*y, y) + c; 7 r = f2 (2); 8endfunction 9