Array ( [0] => Array ( [title] => L24A [link] => https://www.youtube.com/embed/7ymUlgTw9Kw ) [1] => Array ( [title] => L24B [link] => https://www.youtube.com/embed/OTSbkopcGXo ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - Lecture 24 | (Interlude) Local stability of ODE periodic orbits