-- card: 5403 from stack: in -- bmap block id: 5753 -- flags: 0000 -- background id: 2600 -- name: -- part 1 (button) -- low flags: 00 -- high flags: A003 -- rect: left=204 top=240 right=262 bottom=304 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 1 -- font id: 0 -- text size: 12 -- style flags: 0 -- line height: 16 -- part name: time series ----- HyperTalk script ----- on mouseUp open bin:strange attractors:birkhoff bagel:bagel.series end mouseUp -- part contents for background part 22 ----- text ----- Trajectories of dynamical systems which form a closed loop (limit cycle) are periodic---they have one characteristic frequency. Dynamics which have two or more independent frequencies are termed quasi-periodic .