Array ( [0] => Array ( [title] => L9A [link] => https://www.youtube.com/embed/FXozctEY-g0 ) [1] => Array ( [title] => L9B [link] => https://www.youtube.com/embed/52Uwcv7O80U ) [2] => Array ( [title] => L9C [link] => https://www.youtube.com/embed/FeD-mIKv1z0 ) [3] => Array ( [title] => L9D [link] => https://www.youtube.com/embed/RdP5V9d8T8c ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第9R講 7.1 Inverse Function Theorem