Znn3bq.jpeg
²é¿´: 1285  |  »Ø¸´: 4
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

08jmliu

гæ (СÓÐÃûÆø)


[½»Á÷] Banach ¿Õ¼äµÄÒ»¸öÎÊÌâ

ÁîXÊÇÒ»¸öBanach ¿Õ¼ä£¬YÊÇXÖеÄÒ»¸ö±Õ×Ó¿Õ¼ä. Éè{ f_n } ΪXÖеÄÒ»¸öÐòÁУ¬µ«²»ÔÚYÖÐ.  Èôf_n ÒÀ·¶ÊýÊÕÁ²ÓÚf,
ÄÇôf Ò»¶¨²»ÔÚYÖÐÂ𣿠  

лл¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

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

YLX1991

гæ (³õÈëÎÄ̳)


¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¸öÈ˾õµÃ£¬YÊDZÕ×ӿռ䣬×ÔÈ»ÊDZռ¯£¬ÔÚbanach¿Õ¼äÖУ¬±Õ¼¯µÄ²¹¼¯X\Y¿Ï¶¨ÊÇ¿ª¼¯£¬ÄÇô¶ÔÊÕÁ²ÐÔ×ÔÈ»¾Í²»·â±Õ£¬ÄÇôµÃµ½µÄf¾Í¿ÉÄÜ»áÅܳöX\Y£¬ÄÇô¾ÍÓ¦¸Ã²»Ò»¶¨²»ÔÚYÖаɡ£²»ÖªµÀÎÒÕâ¸öÏë·¨¶Ô²»¶Ô£¿
5Â¥2013-12-24 18:14:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

jabile

ľ³æ (ÕýʽдÊÖ)


¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÏÔÈ»²»¶Ô£¬f_nÇ÷ÓÚ0ºÃÁË
2Â¥2013-12-09 12:06:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

³¤ÀÖÎÞÑÄ

гæ (³õÈëÎÄ̳)


¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¿ÉÒÔ¾ÙÒ»¸ö¼òµ¥µÄÀý×ÓÀ´¿´°É£¬¶¨Òå¾ø¶ÔֵΪ·¶ÊýµÄʵÊý¼¯¿ÉÒÔ¿´³ÉÒ»¸öBanach¿Õ¼äX£¬Ñ¡ÔñY=[-1£¬0]£¬YΪXÖÐÒ»¸ö±Õ×ӿռ䣬Áî{f_n}={1/n}£¬nΪÕýÕûÊý£¬ÄÇô{f_n}²»ÔÚYÖУ¬{f_n}ÒÀ·¶ÊýÊÕÁ²µ½0£¬0ÔÚYÖС£
3Â¥2013-12-09 21:38:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jabile

ľ³æ (ÕýʽдÊÖ)


¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
3Â¥: Originally posted by ³¤ÀÖÎÞÑÄ at 2013-12-09 21:38:58
¿ÉÒÔ¾ÙÒ»¸ö¼òµ¥µÄÀý×ÓÀ´¿´°É£¬¶¨Òå¾ø¶ÔֵΪ·¶ÊýµÄʵÊý¼¯¿ÉÒÔ¿´³ÉÒ»¸öBanach¿Õ¼äX£¬Ñ¡ÔñY=£¬YΪXÖÐÒ»¸ö±Õ×ӿռ䣬Áî{f_n}={1/n}£¬nΪÕýÕûÊý£¬ÄÇô{f_n}²»ÔÚYÖУ¬{f_n}ÒÀ·¶ÊýÊÕÁ²µ½0£¬0ÔÚYÖС£

Õâ¸öÀý×ÓÓÐÎÊÌ⣬Y²»ÊDZÕ×Ó¿Õ¼ä
4Â¥2013-12-10 12:01:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¼±Ðèµ÷¼Á +9 ¾ø²»·ÅÆú22 2026-04-15 10/500 2026-04-18 08:09 by chixmc
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬320Çóµ÷¼Á +17 À§À§À§À§À¤À¤ 2026-04-14 19/950 2026-04-17 20:08 by ¹ØÒ»ÕµµÆcd
[½Ìʦ֮¼Ò] ɽ¶«Ë«·ÇԺУ¿¼ºË³¬¼¶ÎÞµ×Ïߣ¬Áìµ¼ÐÒÔÖÀÖ»ö£¬½ÌʦÔâÑê¿Ö +4 qut2026 2026-04-11 8/400 2026-04-17 16:10 by »á·ÉµÄÖí157
[¿¼ÑÐ] 279Çóµ÷¼Á +13 ÕÅ·¬ÇѲ»³´µ° 2026-04-11 13/650 2026-04-17 10:38 by cuisz
[¿¼ÑÐ] 271Çóµ÷¼Á +37 2261744733 2026-04-11 39/1950 2026-04-17 10:11 by ºÚ¿Æ¼¼¿óÒµ
[ÂÛÎÄͶ¸å] ÓÐûÓнÓÊձȽϿìµÄsciÆÚ¿¯Ñ½£¬×îºÃÔÚÒ»¸öÔÂÖ®Äڵģ¬ÑÐÈýº¢×ÓÇó±ÏÒµ 20+4 Ö®»¤×Å 2026-04-16 5/250 2026-04-17 10:02 by bobvan
[¿¼ÑÐ] 294Çóµ÷¼Á +14 µ­È»654321 2026-04-15 14/700 2026-04-16 21:01 by lpl364211
[¿¼²©] É격×Ô¼ö +3 LinxiaÁÖÏÄ 2026-04-13 3/150 2026-04-16 12:55 by Ä«ºÉ֮¶
[¿¼ÑÐ] 327Çóµ÷¼Á +26 Xxjc1107. 2026-04-13 29/1450 2026-04-16 10:52 by Espannnnnol
[¿¼ÑÐ] ͨÐŹ¤³ÌÇóµ÷¼Á£¡£¡£¡ +6 zlb770521 2026-04-14 6/300 2026-04-15 20:00 by ѧԱJpLReM
[¿¼ÑÐ] 085801µçÆø×¨Ë¶272Çóµ÷¼Á +19 µçÆøÀî 2026-04-13 21/1050 2026-04-15 13:37 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] 211±¾¿Æ²ÄÁÏ»¯¹¤Çóµ÷¼Á +19 YHLAH 2026-04-11 23/1150 2026-04-14 22:25 by fenglj492
[¿¼ÑÐ] 105500ҩѧÇóµ÷¼Á +4 x_skys 2026-04-12 4/200 2026-04-14 13:37 by rndfc
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +12 ×ÓľÄÅ 2026-04-12 13/650 2026-04-14 01:19 by Íõ¬Bè±
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] 302Çóµ÷¼Á +10 Ò×£¡? 2026-04-13 10/500 2026-04-13 19:04 by lbsjt
[¿¼ÑÐ] 0854µ÷¼Á +10 ³¤¹­°Á 2026-04-11 11/550 2026-04-13 10:38 by wp06
[¿¼ÑÐ] 0831Ò»ÂÖµ÷¼Áʧ°ÜÇóÖú +10 СÐÜî£î£_s 2026-04-11 10/500 2026-04-12 22:43 by ³¤¹­°Á
[¿¼ÑÐ] 339Çóµ÷¼Á +8 hanwudada 2026-04-11 9/450 2026-04-12 15:36 by laoshidan
[¿¼ÑÐ] 359Çóµ÷¼Á +5 θ¾·ÂÎÀÛÁË 2026-04-11 5/250 2026-04-11 19:55 by lbsjt
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û