Array ( [0] => Array ( [title] => L17A [link] => https://www.youtube.com/embed/DswHc-vnAL4 ) [1] => Array ( [title] => L17B [link] => https://www.youtube.com/embed/L9NGdcBrX9I ) [2] => Array ( [title] => L17C [link] => https://www.youtube.com/embed/OoaIIgc3JPM ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第17講 Orientation of a Surface

Title

第17講 Orientation of a Surface

第1節

L17A

第2節

L17B

第3節

L17C

Syllabus

章節大綱

L17A
       1. Definition: Orientable Surface
       2. Example: Surface Covered by One Parametrization
 
L17B
       1. Example: Surface Covered by Two Parametrizations
       2. Proposition: A Surface Is Orientable if and only if
           It Has a Differentiable Unit Normal Vector Field
 
L17C
       1. Proposition: A Surface Is Orientable if and only if
           It Has a Differentiable Unit Normal Vector Field (cont.)
       2. Example: Mobius Band