±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1017  |  »Ø¸´: 5
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

СÀ¼»¨

Òø³æ (ÖøÃûдÊÖ)

[½»Á÷] ÇóÖúÒ»¸öÇúÂʹ«Ê½ÖÐ ±äÁ¿Ç󵼵ľßÌåÐÎʽ

ÌâÒâºÍÎÊÌâ¼û¸½¼þ:
ÕâÊǸöÇúÂʹ«Ê½¡£ÆäÖУ¬(eta_i)ÊÇ(x,y)µÄÒþº¯Êý£¬(eta_i)µÄÇúÂÊÊÇÈçºÎÍÆµ¼³öÀ´µÄ£¬Çë´ó¼Ò¶àÖ¸µã£¡


[ Last edited by СÀ¼»¨ on 2010-1-4 at 09:24 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

haixing2008

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

¡ï ¡ï
СÀ¼»¨(½ð±Ò+2,VIP+0):ллÄúÍÆ¼öµÄÊé¼®£¬ÎÒ»á²é¿´Õâ±ßÊéµÄ¡£ 1-4 10:39
¶ÔÓÚµÚ¶þ¸öÎÊÌ⣬ÎÒÏëÎÒ¿ÉÒÔÍÆ¼öÄãÒ»±¾Ê飬Äã¿ÉÒÔÈ¥¿´¿´£º

÷ÏòÃ÷¡¢»Æ¾´Ö®  ±àµÄ¡¶Î¢·Ö¼¸ºÎ¡·£¨µÚÈý°æ£©¸ßµÈ½ÌÓý³ö°æÉ磬16.50Ôª
ÀïÃæµÄµÚÒ»ÕµÚÈý½ÚµÄ3.3¡¢¿Õ¼äÇúÏßµÄÇúÂÊ¡¢ÄÓÂʺͷüÀ×ÄÚ£¨Frenet£©¹«Ê½

Äã¿ÉÒÔȥͼÊé¹Ý½è¿´¿´

Ï£Íû¶ÔÄãÓаïÖú£¡

(ÎÒÃÇÒÔǰѧµÄ£¬¶¼Íü¹âÁË£¬ºÇºÇ£¡Òª×¼±¸¿¼ÊÔÁË£¬ËùÒÔ¡­¡­)
ƽƽµ­µ­²ÅÊÇÕæ£¡
4Â¥2010-01-04 09:58:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

haixing2008

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¹§Ï²ÇÀɳ·¢£¬¸ø¸öºì°ü
Doctorcbw(½ð±Ò+1,VIP+0):ºÇºÇ ллhaixingµÄ»Ø´ð£¬Ï£ÍûÂ¥Ö÷ÂúÒâ 1-4 00:03
СÀ¼»¨(½ð±Ò+6,VIP+0):haixing2008£¬ÄúµÄ´ð°¸Ó¦¸ÃÊǶԵġ£ÎÒ»¹ÏëÇë½ÌÄ㣺ÕâÊǸöÇúÂʹ«Ê½¡£ÆäÖУ¬(eta_i)ÊÇ(x,y)µÄÒþº¯Êý£¬(eta_i)µÄÇúÂÊÊÇÈçºÎÍÆµ¼³öÀ´µÄ£¬ÎÒûÄÜÍÆ³öÀ´£¬Çë°æÖ÷¶àÖ¸µã£¡ 1-4 08:12
ÎһشðµÚÒ»¸öÎÊÌâ°É
µÚÒ»¸öÊý(eta_i)_{xx}Ö¸µÄÊÇeta_i¶ÔxÇóÁ½´Îµ¼£»(eta_i)_{x}Ö¸µÄÊǶÔxÇóÒ»´Îµ¼£¬ËùÒÔµÚ¶þ¸öÊý[(eta_i)_{x}]^2ÊÇ(eta_i)_{x}µÄƽ·½.
ÆäÖУº_ÊÇָϱ꣬^Ö¸Éϱꡣ
Ï£Íû¶ÔÄãÓÐÓã¬×£ÄãºÃÔË£¡
ƽƽµ­µ­²ÅÊÇÕæ£¡
2Â¥2010-01-03 22:57:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tang_hongbo

½ð³æ (СÓÐÃûÆø)

¡ï ¡ï ¡ï ¡ï
Сľ³æ(½ð±Ò+0.2):ÇÀÁ˸öС°åµÊ£¬¸ø¸öºì°ü
СÀ¼»¨(½ð±Ò+2,VIP+0):Äú¶ÔÇúÂÊÓ¦¸Ã±È½ÏÊìϤ¡£ÕâÊǸöÇúÂʹ«Ê½¡£ÆäÖУ¬(eta_i)ÊÇ(x,y)µÄÒþº¯Êý£¬(eta_i)µÄÇúÂÊÊÇÈçºÎÍÆµ¼³öÀ´µÄ£¬ÎÒûÄÜÍÆ³öÀ´£¬Çë¶àÖ¸µã£¡ 1-4 08:13
bluesine(½ð±Ò+1,VIP+0):лл½»Á÷×÷´ð 1-4 09:04
Õâ¸öÊDz»ÊǺÍʲôµÄÇúÂÊÓÐµã¹ØÏµ°¡£¬¸Ð¾õ±È½Ï¸´ÔÓ°¡¡£
3Â¥2010-01-04 01:08:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÄäÃû

Óû§×¢Ïú (ÕýʽдÊÖ)

¡ï ¡ï
СÀ¼»¨(½ð±Ò+2,VIP+0):лл£¡Äú¿ÉÒÔ°ÑÍÆµ¼¹ý³Ì·¢¸øÎÒÂ𣿾ÍÊǰÑk=|y''|/(1+y'^2)^(3/2) µ½ÇúÂÊk=|F_xx (F_y)^2-2F_xy F_x F_y+(F_x)^2 F_yy|/((F_x)^2+(F_y)^2)^(3/2)µÄ¹ý³Ìд³öÀ´Âð£¿×ö³É¸½¼þ´«µ½ÕâÀ»ò ·¢µ½ÎÒÓÊÏä¶¼¿ÉÒÔ£¡robot-163@163.com лл£¡ 1-4 12:05
±¾Ìû½öÂ¥Ö÷¿É¼û
5Â¥2010-01-04 11:56:58
ÒÑÔÄ   ÉêÇëÊýѧEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 337Çóµ÷¼Á +11 ¡¶Ê÷¡· 2026-03-29 11/550 2026-04-02 10:20 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +5 ÏàÐűػá¹ââÍòÕ 2026-03-31 6/300 2026-04-02 10:16 by guoweigw
[¿¼ÑÐ] Ò»Ö¾Ô¸Äϲý´óѧ324Çóµ÷¼Á +11 hanamiko 2026-04-01 11/550 2026-04-02 09:00 by sanrepian
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¿Æ¼¼£¬085601×Ü·Ö305Çóµ÷¼Á +9 °ëÉú¹Ï£¡ 2026-04-01 11/550 2026-04-02 08:28 by Wang200018
[¿¼ÑÐ] 08¹¤¿Æ275·ÖÇóµ÷¼Á +13 AaAa7420 2026-03-31 13/650 2026-04-02 06:19 by 286640313
[¿¼ÑÐ] 282Çóµ÷¼Á +17 ycy1201 2026-04-01 19/950 2026-04-01 22:54 by peike
[¿¼ÑÐ] 265Çóµ÷¼Á +11 yelck 2026-04-01 12/600 2026-04-01 19:12 by 549790059
[¿¼ÑÐ] µ÷¼Á +3 ºÃºÃ¶ÁÊé¡£ 2026-04-01 5/250 2026-04-01 15:39 by ºÃºÃ¶ÁÊé¡£
[¿¼ÑÐ] Ó¢Ò»Êý¶þÉúÎïÐÅϢѧ287·Ö£¬±¾¿ÆÉúÎï¿ÆÑ§£¬Çóµ÷¼Á +3 ±ÌË®xyz 2026-03-29 4/200 2026-04-01 15:35 by plum
[¿¼ÑÐ] 085410È˹¤ÖÇÄÜ ³õÊÔ316·Ö Çóµ÷¼Á +3 ²ÐÐÇ·÷Êï 2026-03-31 3/150 2026-04-01 11:09 by СÐÜraider
[¿¼ÑÐ] 301Çóµ÷¼Á +8 axibli 2026-04-01 8/400 2026-04-01 09:51 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] Çóµ÷¼Á£º085600²ÄÁÏÓ뻯¹¤£¬¿¼²Ä¿Æ»ù£¬×Ü·Ö319 +17 678lucky 2026-03-31 21/1050 2026-04-01 01:40 by 1018329917
[¿¼ÑÐ] Ò»Ö¾Ô¸£ºÎ÷±±´óѧ£¬Ó¢Ò»ÊýÒ»408-284·ÖÇóµ÷¼Á +7 12.27 2026-03-27 7/350 2026-03-31 21:59 by lbsjt
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³ÌÇóµ÷¼Á +13 ÉîVËÞÉá°É 2026-03-29 13/650 2026-03-31 19:50 by Dyhoer
[¿¼ÑÐ] 083000ѧ˶274Çóµ÷¼Á +12 LiÀîÓã 2026-03-26 12/600 2026-03-31 10:01 by cal0306
[¿¼ÑÐ] ¼ª´óÉúÎïѧ326·ÖÇóµ÷¼Á +3 sunnyupup 2026-03-31 3/150 2026-03-31 09:28 by longlotian
[¿¼ÑÐ] һ־ԸʳƷ¿ÆÑ§Ó빤³Ì083200Çóµ÷¼Á +4 XQTJZ 2026-03-30 4/200 2026-03-31 04:10 by fmesaito
[¿¼ÑÐ] Çóµ÷¼Á +10 ¼Ò¼Ñ¼Ñ¼Ñ¼Ñ¼Ñ 2026-03-29 10/500 2026-03-30 18:34 by 544594351
[¿¼ÑÐ] ±¾¿ÆË«·Ç²ÄÁÏ£¬¿ç¿¼Ò»Ö¾Ô¸»ªµç085801µçÆø£¬283Çóµ÷¼Á£¬ÈκÎרҵ¶¼¿ÉÒÔ +6 ֥ʿѩbaoo 2026-03-28 8/400 2026-03-29 08:16 by ËÉ»¨¸×1201
[¿¼ÑÐ] 305Çóµ÷¼Á +5 ÍÛ¬¿¨¿â 2026-03-26 5/250 2026-03-27 14:01 by laoshidan
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û