±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 761  |  »Ø¸´: 7
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

suntosun

Òø³æ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú¡¿ÇóÖúÒ»²©Ê¿ÊÔÌ⣡

Õâ¸öÌâÄ¿ÉÏ´ÎдµÃ¼±ÁË£¡Ð´´íÁË£¡ÏÂÃæÊÇÔ­Ì⣡

Éè XÊÇÒ»banach¿Õ¼ä, XnÊÇXÖÐ Ò»Áбռ¯£¡ £¬Y=U{Xn},ÈôYÊDZռ¯£¬Ôò´æÔÚmʹµÃY=Xm

Íû´ó¼Ò¶à¶à°ï棡
¾Ï¹ª¸ÐлÏĄ̂£¡

¸Ðлһ¥ÌṩµÄ°ïÖú£¡°´ÎÒ¸ø³öµÄÌâÄ¿£¬Äã˵µÄÊǶԵÄ!
¿ÉϧÎÒ¿´¿´ÁËÔ­Ì⣬·¢ÏÖÎÒ»¹ÊÇд´íÁË£¡£¨ÕæË¥°¡£©
ÏÖ°ÑÔ­ÌâÌùÉÏ
һ¥µÄÅóÓÑÒ²°ïæ·ñ¶¨µôÁËY=XµÄ¿ÉÄÜÁË
Íûͬ־¶à¶à°ï棡
лл£¡



[ Last edited by suntosun on 2010-3-25 at 17:42 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

suntosun

Òø³æ (СÓÐÃûÆø)

ÄãÕâÀï Y=U{Xn}ÊDz»¶ÔµÄ
ÒòΪÕâÀïÊDz¢ÆðÀ´£¡
Èç¹ûÊÇ³ËÆðÀ´¾ÍÊÇR3ÁË£¡

²»¹ý»¹ÊǺܸÐл£¡

[ Last edited by suntosun on 2010-3-18 at 13:48 ]
3Â¥2010-03-18 13:44:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

fyq98

ľ³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¹§Ï²ÇÀɳ·¢£¬¸ø¸öºì°ü
bluesine(½ð±Ò+2):¹ÄÀøÒ»Ï¡£Ï£Íû³£À´~ 2010-03-18 14:13
\{Õâ¸ö½áÂÛÒ²²»³ÉÁ¢°É£¬¿É²Î¼ûÇ°Ãæ¾ÙµÄ·´Àý
Áî
X=R3
X{3n}={(a,0,0)|aΪʵÊý}
X{3n+1}={(0,a,0)|aΪʵÊý}
X{3n+2}={(0,0,a)|aΪʵÊý}
ÔòXnÊÇXÖÐ Ò»Áбռ¯£¡
¶ø
Y=U{Xn}=R3
ÇÒ
YÓëÈκΠXn¾ù²»ÏàµÈ
¿ËÄѷܽø
2Â¥2010-03-18 13:24:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

suntosun

Òø³æ (СÓÐÃûÆø)

ÎÒÊÇÕâÑù´òËãµÄ

ÒòΪYÊDZռ¯£¬ËùÒÔËûÒ²ÊÇBanach¿Õ¼ä
ËùÒÔËûÊǵڶþÀàÐͼ¯
ÕâÀïY=U{Xn},˵Ã÷ÓÐÒ»¸öXmÊÇ·ÇÊèÀʼ¯£¬Ò²¾ÍÊÇ˵ËüÄÚ²¿²»¿Õ£¡£¨Xn¶¼ÊDZռ¯£©
ÔÙÏ£Íû Y =Xm ¾ÍÍêÃÀÁË£¡
¿ÉÊDzÅÊèѧdz ×îºóÒ»²½Ì« ÄÑÏëÁË£¡
¹À¼ÆÎÒ×ß´íÁË £¡
ͬ־ÃǶà¶àÖ¸½Ì°¡£¡
5Â¥2010-03-18 23:11:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fyq98

ľ³æ (ÕýʽдÊÖ)

¡ï
javeey(½ð±Ò+1):»¶Ó­³£À´ 2010-03-19 11:46
Õâ¸ö½áÂÛ»¹ÊÇ´íµÄ¡£
·´ÀýÈçÏ£º
ÉèX=R
x{n}=[-n,n]
ÔòX{n}Ϊ±Õ¼¯£¬
ÇÒY=U{Xn}ÊDZռ¯
µ«Y£½RÇÒYÓëÈκÎX{n}½Ô²»ÏàµÈ
¿ËÄѷܽø
6Â¥2010-03-19 10:26:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ó¢Ò»ÊýÒ»408£¬×Ü·Ö284£¬¶þÕ½Õæ³ÏÇóµ÷¼Á +12 12.27 2026-03-30 14/700 2026-04-02 00:18 by ÐÀϲ777
[¿¼ÑÐ] 0856£¬269·ÖÇóµ÷¼Á +8 ÓÐѧÉϾÍÐÐÇóÇóÁ 2026-03-30 11/550 2026-04-01 22:33 by 2026²ÄÁϵ÷¼Á
[¿¼ÑÐ] 311Çóµ÷¼Á +13 zchqwer 2026-04-01 15/750 2026-04-01 22:30 by 2026²ÄÁϵ÷¼Á
[¿¼ÑÐ] 275Çóµ÷¼Á +12 waltzh 2026-04-01 12/600 2026-04-01 21:44 by chyhaha
[¿¼ÑÐ] 070300»¯Ñ§279Çóµ÷¼Á +15 ¹þ¹þ¹þ^_^ 2026-03-31 17/850 2026-04-01 21:37 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] 26¿¼Ñе÷¼Á +3 Wnz.20030617 2026-04-01 3/150 2026-04-01 17:22 by salamander`
[¿¼ÑÐ] 086502»¯Ñ§¹¤³Ì342Çóµ÷¼Á +7 °¢Ò̸´¹Å²»¹ý 2026-03-27 7/350 2026-04-01 16:14 by yanflower7133
[¿¼ÑÐ] ÕÒµ÷¼Á +5 ³þÇÇÇÇ 2026-04-01 5/250 2026-04-01 16:12 by w³æ³æ123
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷½»´ó080500²ÄÁÏѧ˶349 +6 jqx1258 2026-03-31 7/350 2026-03-31 21:08 by yuq
[¿¼ÑÐ] 070300»¯Ñ§354Çóµ÷¼Á +15 101´ÎÏ£Íû 2026-03-28 15/750 2026-03-31 17:58 by jp9609
[¿¼ÑÐ] 322Çóµ÷¼Á£ºÒ»Ö¾Ô¸ºþÄÏ´óѧ ²ÄÁÏÓ뻯¹¤£¨085600£©£¬ÒѹýÁù¼¶¡£ +10 XXСµË 2026-03-29 10/500 2026-03-31 16:46 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤272Çóµ÷¼Á +25 °¢Ë¹µÙ·Ò2004 2026-03-28 25/1250 2026-03-31 16:27 by hypershenger
[¿¼ÑÐ] 282Çóµ÷¼Á ²»Ìôרҵ ÇóÊÕÁô +4 Yam. 2026-03-30 5/250 2026-03-31 14:41 by ÍõÁÁ_´óÁ¬Ò½¿Æ´ó
[¿¼ÑÐ] 293·ÖÇóµ÷¼Á£¬ÍâÓïΪ¶íÓï +5 ¼ÓÒ»Ò»¾Å 2026-03-31 5/250 2026-03-31 09:39 by zhshch
[¿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] 328Çóµ÷¼Á +8 àŵεĻù±¾¶¼ 2026-03-27 8/400 2026-03-30 17:20 by Wang200018
[¿¼ÑÐ] 352·Ö »¯¹¤Óë²ÄÁÏ +5 º£Äɰٴ¨Ly 2026-03-27 5/250 2026-03-28 03:39 by fmesaito
[¿¼ÑÐ] 265Çóµ÷¼Á +8 Сľ³æ085600 2026-03-27 8/400 2026-03-27 22:16 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ¿¼Ñе÷¼Á +9 СÀ¯ÐÂ±Ê 2026-03-26 9/450 2026-03-27 11:10 by ²»³Ôô~µÄ؈
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û