Array ( [0] => Array ( [title] => L29A [link] => https://www.youtube.com/embed/gL3yzaEVkBA ) [1] => Array ( [title] => L29B [link] => https://www.youtube.com/embed/ihhx3R-qXM0 ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第29R講 Linear Transformations III