a b c d •• 1 1 0 0 •• 3 1 0 0 •• 0.4 1 0 0 •• 1 2 0 0 •• 1 0.3 0 0 •• 1 1 1.5 0 •• 1 1 -2 0 •• 1 1 0 2 •• 1 1 0 -1 •• -1 1 0 0 •• 1 -1 0 0 •• 1 1 2 1.5 •• 1 1 -1 0.5 •• -1 -1 0 0 •• 2 0.5 0 0 •• -1 1 1 1 ••

x → F(x) x → a · F(b · x + c) + d