Array ( [0] => Array ( [title] => L20A [link] => https://www.youtube.com/embed/gFqt2KPmIDo ) [1] => Array ( [title] => L20B [link] => https://www.youtube.com/embed/AYiy_oNQ-oU ) [2] => Array ( [title] => L20C [link] => https://www.youtube.com/embed/djTW8HvNBBo ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第20講 The Gauss Map and Its Fundamental Properties (cont.)

Title

第20講 The Gauss Map and Its Fundamental Properties (cont.)

第1節

L20A

第2節

L20B

第3節

L20C

Syllabus

章節大綱

L20A
       1.Review: The Geometric Meaning of the Second Fundamental Form
       2. Proposition: Meusnier
       3. Example: Unit Sphere
 
L20B
       1. Definition: Normal Section 
       2. Derivation: Define the Normal Curvature by Normal Section
 
L20C
       1. Definition: Principal Curvatures and Principal Directions
       2. Definition: Line of Curvature
       3. Proposition: Olinde Rodrigues
       4. Derivation: Euler Formula