24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 1028  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

shoppingcx

гæ (³õÈëÎÄ̳)

[ÇóÖú] ¶ÔÃæ»ýµÄÇú̾̾»ý»ý·Ö¹«Ê½ ÒÑÓÐ3È˲ÎÓë

¶ÔÃæ»ýµÄÇú̾̾»ý»ý·Ö¹«Ê½ÎÒÕÒµ½µÄÊÇÔÚÖ±½Ç×ø±êϵÏµĹ«Ê½£¬ÄÇÔÚÖù×ø±êϵÄÃæ»ý»ý·Ö¹«Ê½ÊÇÊ²Ã´ÄØ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

leedobb

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
5Â¥: Originally posted by leedobb at 2014-12-23 18:03:04
\int \sqrt g du^1du^2
ÆäÖÐg=Det{g_{ij}}Ϊ¶È¹æÕÅÁ¿ÐÐÁÐʽµÄÖµ, (u^1,u^2)Ϊ²ÎÊý×ø±ê
g_{ij}\equiv \frac{\partial \mathbf r}{\partial u^i}\frac{\partial \mathbf r}{\partial u^j} (i,j={1,2})...

ÇúÃæµÄÐÎ״Ϊ£º
ÓÐÒ»Ì죬ÎÒ´òÁ˸öî§Ë¯¾Íµ½ÁËÕâÀµ«ÎÒÖªµÀÎÒµôÈëÁËʱ¹âµÄÑ­»·ÖУ¬ËäµÃÒÔÓÀÉú£¬µ«Ö»ÓеÚÒ»¸öÑ­»·ÓÐÒâÒå¡£
6Â¥2014-12-23 18:04:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

zaq123321

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Сľ³æ¸øÎÒÎÂů£¬¸øÎÒÏ£Íû£¬°®¾ÍÒª°®Ð¡Ä¾³æ¡£
2Â¥2014-12-23 09:36:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shoppingcx

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by zaq123321 at 2014-12-23 09:36:00
See
http://www.maths.usyd.edu.au/MATH2061/r/VC_slides/Week11-Lect1-HANDOUTS.pdf

ллÄúµÄ»Ø¸´£¬¿ÉÊÇÎÒµÄÇúÃæ²»ÊÇÔ²ÖùÃæÑ½£¬ÊÇÈÎÒâµÄÇúÃæ£¬Õâ¸ö¹«Ê½²»ÄÜÓðɣ¿
3Â¥2014-12-23 15:06:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

vect

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
²éѯÊýѧ·ÖÎö½Ì¿ÆÊ飬ÉÏÃæÓ¦¸Ã¶¼ÓÐ
4Â¥2014-12-23 17:03:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 340Çóµ÷¼Á +4 »°Ã·ÌÇ111 2026-03-24 4/200 2026-03-24 21:41 by yuyu98412
[¿¼ÑÐ] 311Çóµ÷¼Á +3 ¶¬Ê®Èý 2026-03-24 3/150 2026-03-24 21:31 by peike
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢Çóµ÷¼Á +6 ¦Á____ 2026-03-22 7/350 2026-03-24 19:46 by sunjie8888
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] 300Çóµ÷¼Á£¬²ÄÁÏ¿ÆÑ§Ó¢Ò»Êý¶þ +5 leaflight 2026-03-24 5/250 2026-03-24 16:25 by laoshidan
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤328·Öµ÷¼Á +4 ¡££¬¡££¬¡££¬¡£i 2026-03-23 4/200 2026-03-24 11:03 by 544594351
[¿¼ÑÐ] 335Çóµ÷¼Á +4 yuyuÓî 2026-03-23 5/250 2026-03-23 23:49 by Txy@872106
[¿¼ÑÐ] 335·Ö | ²ÄÁÏÓ뻯¹¤×¨Ë¶ | GPA 4.07 | ÓпÆÑо­Àú +4 cccchenso 2026-03-23 4/200 2026-03-23 23:00 by Ðìckkk
[¿¼ÑÐ] 291 Çóµ÷¼Á +4 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 5/250 2026-03-23 16:46 by »¯¹¤2026½ì±ÏÒµÉ
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷°²½»Í¨´óѧ²ÄÁϹ¤³Ìרҵ 282·ÖÇóµ÷¼Á +11 ·ãÇÅZL 2026-03-18 13/650 2026-03-22 20:26 by edmund7
[¿¼ÑÐ] 306Çóµ÷¼Á +5 À´ºÃÔËÀ´À´À´ 2026-03-22 5/250 2026-03-22 16:17 by BruceLiu320
[»ù½ðÉêÇë] ɽ¶«Ê¡ÃæÉÏÏîÄ¿ÏÞ¶îÆÀÉó +4 ʯÈð0426 2026-03-19 4/200 2026-03-22 08:50 by Wei_ren
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ071000£¬Çóµ÷¼Á +4 ÑØ°¶Óб´¿Ç6 2026-03-21 4/200 2026-03-22 07:21 by ilovexiaobin
[¿¼ÑÐ] 297Çóµ÷¼Á +3 ϲ»¶»¹ÊDz»¸ÊÐÄ 2026-03-20 3/150 2026-03-21 18:33 by ѧԱ8dgXkO
[¿¼ÑÐ] 0703»¯Ñ§297Çóµ÷¼Á +3 Daisy¡î 2026-03-20 3/150 2026-03-21 17:45 by ColorlessPI
[¿¼ÑÐ] ²ÄÁÏ 336 Çóµ÷¼Á +3 An@. 2026-03-18 4/200 2026-03-21 01:39 by JourneyLucky
[¿¼ÑÐ] ÖÐÄÏ´óѧ»¯Ñ§Ñ§Ë¶337Çóµ÷¼Á +3 niko- 2026-03-19 6/300 2026-03-20 21:58 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»Í¨ ר˶ ²ÄÁÏ355 ±¾¿ÆË«·Ç Çóµ÷¼Á +5 Î÷ÄϽ»Í¨×¨²Ä355 2026-03-19 5/250 2026-03-20 21:10 by JourneyLucky
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á 324·Ö +10 llllkkkhh 2026-03-18 12/600 2026-03-19 14:33 by llllkkkhh
[¿¼ÑÐ] ÊÕ¸´ÊÔµ÷¼ÁÉú +4 ÓêºóÇïºÉ 2026-03-18 4/200 2026-03-18 14:16 by elevennnne
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û