Array ( [0] => Array ( [title] => L5A [link] => https://www.youtube.com/embed/mCM2rz5zYuI ) [1] => Array ( [title] => L5B [link] => https://www.youtube.com/embed/7kS1_Xv6gNI ) [2] => Array ( [title] => L5C [link] => https://www.youtube.com/embed/orfDsIoEJK4 ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - Lecture 5 | Linear autonomous ODEs; Example: Poincaré diagram; Flow-box theorem