Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 1340  |  »Ø¸´: 16
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

tigou

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] ÇóÂú×ã¸ø¶¨Ìõ¼þµÄº¯Êý ÒÑÓÐ2È˲ÎÓë

ÉèΪÕýʵÊý£¬£¬ÊµÒ»Ôªº¯ÊýÂú×ãÏÂÁÐÈý¸öÌõ¼þ£º
1£©  £»
2£© £»
3£©ÔÚÉϹ⻬ ¡£
ÕâÑùµÄº¯ÊýÊÇ·ñ´æÔÚ£¿Èç´æÔÚ£¬ÄÜ·ñ¸ø³öÒ»¸öÈ·¶¨Ê½£¨¸ø¶¨±äÁ¿ºó¾­¸Ãʽ¿É¼ÆËã³öÈ·Çеĺ¯ÊýÖµ£©¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

0/0µÄÒâÒåÊÇËùÓÐÊýµÄ¼¯ºÏ
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tigou

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
7Â¥: Originally posted by hank612 at 2015-07-04 12:00:35
Â¥Ö÷ÒªµÄÊǹ⻬º¯Êý£¬ÓÖ²»ÊǽâÎöº¯Êý¡£ Æ©Èçf(x)=e^{-\frac{1}{x^2}}²¹³ä¶¨Òåf(0)=0£¬ ¾ÍÊǹ⻬º¯ÊýÇÒÔÚÁãµã´¦ËùÓн׵¼Êý¶¼ÊÇ0¡£

²Î¿¼ https://en.wikipedia.org/wiki/Non-analytic_smooth_function...

лл£¬ÎÒÔÙ×Áĥϡ£ÄúÒ²°ïæ×Áĥϡ£ÈçÄúÂÊÏÈÕÒµ½Âú×ãÈýÌõ¼þµÄº¯Êý£¬ÎÒÃÇ¿ÉÒÔºÏ×÷дƪÂÛÎÄ£¬ÎªÊµ·ÖÎö×¢ÈëеÄѪҺ¡£
0/0µÄÒâÒåÊÇËùÓÐÊýµÄ¼¯ºÏ
8Â¥2015-07-04 12:20:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 17 ¸ö»Ø´ð

tigou

ľ³æ (ÕýʽдÊÖ)

Õ⺯ÊýÈç¹û´æÔÚ£¬Ó¦¸ÃÓ뺯Êý¸ß¶ÈÉñËÆ¡£²»¹ý¸ü¸Ð¾õÄÇÑùµÄº¯Êý²»´æÔÚ¡£
0/0µÄÒâÒåÊÇËùÓÐÊýµÄ¼¯ºÏ
2Â¥2015-07-03 23:17:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÒýÓûØÌû:
2Â¥: Originally posted by tigou at 2015-07-03 23:17:47
Õ⺯ÊýÈç¹û´æÔÚ£¬Ó¦¸ÃÓë\Gammaº¯Êý¸ß¶ÈÉñËÆ¡£²»¹ý¸ü¸Ð¾õÄÇÑùµÄº¯Êý²»´æÔÚ¡£

ÕâÀຯÊý´æÔÚÊDz»³ÉÎÊÌâµÄ£¬Ö»ÊÇÏÔʾ±í´ïʽ»áÄѰìЩ¡£ ˼·´óÖÂÊÇÕâÑùµÄ£º

´Óº¯Êý¶¨ÒåÀ´¿´£¬ Ö»ÒªfÔÚ(0,1)Äڹ⻬¶¨Ò壬²¢ÇÒÔÚx=1´¦Âú×ã¹â»¬Ìõ¼þ£¬¾Í¿ÉÒÔ°´Ìõ¼þ(2)ÑÓÍØµ½Õû¸öÕýʵÖáÉÏÈ¥£¬Í¬Ê±ÈÔÈ»±£³Ö¹â»¬ÐÔ¡£

ÓÉÓÚfÔÚx=1´¦×óµ¼Êý¸÷½×ÒÀ´ÎΪ, ÓÒµ¼ÊýÓɵÝÍÆ¹«Ê½¹é½áÓÚÁãµãµÄµ¼ÊýµÄÐÔÖÊ£¬¼´³ËÒÔ¹ØÓÚÒ»¸ö µÄ¶àÏîʽ¡£ËäÈ»ÕâÊÇÒªÇóÂú×ãÎÞÇî¶à¸öµÈʽ£¬µ«´æÔÚ½âÊDz»³ÉÎÊÌâµÄ¡£

×î¼òµ¥À´Ëµ£¬±ÈÈçȡij¸ö¹â»¬º¯ÊýʹµÃÔÚ[0,t]ÉϺãΪ a/2£¬[1-t,t]ÉϺãΪa, tÊǸöºÜСµÄÕýÊý£¬ ¾Í¿ÉÒÔ±£Ö¤fÔÚx=1´¦µÄ¹â»¬ÐÔÁË£¨Æäʵ¾ÍÊǸ÷½×µ¼ÊýȫΪ0£©¡£
We_must_know. We_will_know.
3Â¥2015-07-04 02:49:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tigou

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by hank612 at 2015-07-04 02:49:05
ÕâÀຯÊý´æÔÚÊDz»³ÉÎÊÌâµÄ£¬Ö»ÊÇÏÔʾ±í´ïʽ»áÄѰìЩ¡£ ˼·´óÖÂÊÇÕâÑùµÄ£º

´Óº¯Êý¶¨ÒåÀ´¿´£¬ Ö»ÒªfÔÚ(0,1)Äڹ⻬¶¨Ò壬²¢ÇÒÔÚx=1´¦Âú×ã¹â»¬Ìõ¼þ£¬¾Í¿ÉÒÔ°´Ìõ¼þ(2)ÑÓÍØµ½Õû¸öÕýʵÖáÉÏÈ¥£¬Í¬Ê±ÈÔÈ»±£³Ö¹â»¬ÐÔ¡£
...

лл¡£ÄúÄÜ·ñ¸ø³öº¯Êý´æÔÚµÄÑϸñÖ¤Ã÷¡£
0/0µÄÒâÒåÊÇËùÓÐÊýµÄ¼¯ºÏ
4Â¥2015-07-04 09:14:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +21 ioodiiij 2026-04-08 21/1050 2026-04-13 20:40 by biomen
[¿¼ÑÐ] 0854µ÷¼Á +10 ³¤¹­°Á 2026-04-11 11/550 2026-04-13 10:38 by wp06
[¿¼ÑÐ] ¡£ +10 Àî¶àÃ×lee. 2026-04-12 11/550 2026-04-12 22:58 by yuyin1233
[¿¼ÑÐ] 2±¾£¬³õÊÔ303£¬0860Çóµ÷¼Á +6 floriea 2026-04-12 8/400 2026-04-12 18:13 by zhouxiaoyu
[¿¼ÑÐ] 086000µ÷¼Á +6 Ê®Æßsa 2026-04-07 6/300 2026-04-12 11:05 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸²ÄÁÏ¿ÆÑ§Ó빤³Ì985£¬365·Ö£¬ +8 ²Ä»¯Àî¿É 2026-04-11 10/500 2026-04-12 08:42 by 852137818
[ÕÒ¹¤×÷] ɽ¶«¸ßУ½Ìʦ¿¼ºË³¬¼¶ÎÞµ×Ïߣ¬Ô±¹¤¹ý²»ÏÂÈ¥À² +4 qut2026 2026-04-09 9/450 2026-04-12 00:54 by qut2026
[¿¼ÑÐ] 296Çóµ÷¼Á +8 Íô£¡£¿£¡ 2026-04-09 8/400 2026-04-11 21:02 by ÄæË®³Ë·ç
[¿¼ÑÐ] Çóµ÷¼Á +11 ôæôæÒ»ÊéÉú 2026-04-09 11/550 2026-04-11 19:57 by ÄæË®³Ë·ç
[¿¼ÑÐ] 11408¡£358Çóµ÷¼Á +3 TMYzds 2026-04-07 3/150 2026-04-11 17:10 by µªÆøÆøÆø
[¿¼ÑÐ] 281Çóµ÷¼Á +11 ¾õµÃºÃµÄ°É 2026-04-10 11/550 2026-04-11 09:35 by ÄæË®³Ë·ç
[¿¼ÑÐ] ¿¼Ñе÷¼Á +26 ˶ÐǸ° 2026-04-09 27/1350 2026-04-10 22:24 by Öí»á·É
[¿¼ÑÐ] 309Çóµ÷¼Á +14 wdhw 2026-04-10 15/750 2026-04-10 21:06 by zhouxiaoyu
[¿¼ÑÐ] ²ÄÁÏרҵ344Çóµ÷¼Á +16 hualkop 2026-04-10 21/1050 2026-04-10 17:28 by laoshidan
[¿¼ÑÐ] Èí¼þ¹¤³ÌÇóµ÷¼Á22Èí¹¤296·ÖÇóµ÷¼Á£¬½ÓÊÜ¿çµ÷ +4 yangchen2017 2026-04-08 5/250 2026-04-08 21:56 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 275 Çóµ÷¼Á +8 Lei812514 2026-04-07 8/400 2026-04-08 12:46 by chemisry
[¿¼ÑÐ] µç×ÓÐÅÏ¢346 +4 zuoshaodian 2026-04-08 4/200 2026-04-08 11:54 by zzucheup
[¿¼ÑÐ] Çóµ÷¼Á +11 wwwwabcde 2026-04-07 11/550 2026-04-07 23:16 by JourneyLucky
[¿¼ÑÐ] ¼ÆËã»ú11408 287 Çóµ÷¼Á +3 LiLe5 2026-04-07 3/150 2026-04-07 23:15 by shanqishi
[¿¼ÑÐ] 344Çóµ÷¼Á +11 κ×Óper 2026-04-07 11/550 2026-04-07 23:01 by JourneyLucky
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û