Array ( [0] => Array ( [title] => L19A [link] => https://www.youtube.com/embed/C56th-qCmco ) [1] => Array ( [title] => L19B [link] => https://www.youtube.com/embed/F6H0oIL6EXY ) [2] => Array ( [title] => L19C [link] => https://www.youtube.com/embed/oLrRFpIfgsQ ) [3] => Array ( [title] => L19D [link] => https://www.youtube.com/embed/LBRr5wRHh2c ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第19R講 Eigenvalues and Eigenvectors II