Array ( [0] => Array ( [title] => L26A [link] => https://www.youtube.com/embed/7SfnL4waABQ ) [1] => Array ( [title] => L26B [link] => https://www.youtube.com/embed/QbpmP_UrYZ4 ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - Lecture 26 | (Interlude) Local stability of ODE periodic orbits