Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 2014  |  »Ø¸´: 17
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

±¿Ð¡º¢aq

гæ (СÓÐÃûÆø)

[ÇóÖú] ¹ØÓÚ΢·Ö·½³ÌµÄ ÒÑÓÐ4È˲ÎÓë

ÇóÏÂÁз½³ÌµÄ½âÎö½â£¬ÇóÖ¸µ¼£¬Ð»Ð»£¡

¹ØÓÚ΢·Ö·½³ÌµÄ
`5QLZ3}6R44J]0CB{5__[IM.jpg
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

²©¹Û¶øÔ¼È¡£¬ºñ»ý¶ø±¡·¢¡£
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


ÒýÓûØÌû:
15Â¥: Originally posted by ±¿Ð¡º¢aq at 2014-05-08 16:30:39
ÎÒ²»»áÀ­ÆÕÀ­Ë¹Äæ±ä»»£¬»¹ÊÇÓõıäÁ¿·ÖÀë·¨£¬Ð»Ð»...

Æäʵ·ÖÀë±äÁ¿·¨ºÍÀ­Êϱ任·¨ÊÇÏëͨµÄ¡£ÎÒÃDzéÒ»°ãµÄÀ­Êϱ任±í¸ñ¾Í¿É²éµ½e^[-a*sqrt(p)]/pµÄ·´±ä»»Îªerfc{a/[2*sqrt(t)]};¶øÉÏÃæµÄUµÄ±í´ïʽÖÐÈô½«1/{e^[a*sqrt(p)]-e^[-a*sqrt(p)]}½øÐÐÈçÏ´¦ÀíºóÔÙ°´Ì©ÀÕÕ¹¿ªÊ½Õ¹¿ª£¬¾Í¿É±ä»»Îªe^[-a*sqrt(p)]/pµÄÐÎʽ£º
1/{e^[a*sqrt(p)]-e^[-a*sqrt(p)]}=e^[-a*sqrt(p)]*1/{1-e^[-2*a*sqrt(p)]}=e^[-a*sqrt(p)]*{1+e^[-2*a*sqrt(p)]+e^[-4*a*sqrt(p)]+e^[-6*a*sqrt(p)]+......}
=e^[-a*sqrt(p)]+e^[-3*a*sqrt(p)]+e^[-5*a*sqrt(p)]+e^[-7*a*sqrt(p)]+......
½«ÉÏʽ´úÈëU(x,s)µÄ±í´ïʽÖоÍÄܽ«ËùÓеıí´ïʽ´Õ³Ée^[-m*sqrt(p)]/pµÄÐÎʽ£¬´Ó¶ø»ñµÃ½â´ðH(x,t)¡£ÆäÖеÄmΪÓɳ£ÊýºÍx×é³ÉµÄº¯Êý±í´ïʽ¡£
17Â¥2014-05-08 21:54:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 18 ¸ö»Ø´ð

elastic

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¸Ã·½³ÌΪƫ΢·Ö·½³Ì£¬Ó÷ÖÀë±äÁ¿·¨½â¾ö£º
Éè                    
°Ñ£¨1£©Ê½´øÈë·½³Ì£¬¿ÉµÃ£º
   Áî          ÉÏʽ¿É»¯Îª£º
ԭƫ΢·Ö·½³Ì¿É»¯Îª£º
Ö»Óе±Ê±£¬£¨2£©¡¢£¨3£©Ê½²ÅÓзÇÁã½â£¬¼´£º
      
°Ñ±ß½çÌõ¼þ´øÈ루4£©Ê½£¬¿ÉµÃ£º
              
ʽµÄͨ½âΪ£º
                 
ËùÒÔ£º
               
°Ñ³õʼÌõ¼þ´øÈ루6£©Ê½£¬¿ÉµÃ£º
                     
°Ñ£¨5£©¡¢£¨7£©ÁªÁ¢£¬¼´¿É½âµÃ¡£
Ò´ø½¥¿íÖÕ²»»Ú£¬ÎªÒÁÏûµÃÈËã¾ã²
2Â¥2014-05-08 11:59:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

elastic

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

²»ºÃÒâ˼£¬²»ÖªÎªÊ²£¬WPSµÄ¹«Ê½Õ³Ìù²»ÉÏ
Ò´ø½¥¿íÖÕ²»»Ú£¬ÎªÒÁÏûµÃÈËã¾ã²
3Â¥2014-05-08 12:02:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

±¿Ð¡º¢aq

гæ (СÓÐÃûÆø)

ÄÇÕâ¸öÌâÖб߽çÌõ¼þ²»ÎªÁ㣬ÊDz»ÊǾÍûÓнⰡ£¿»ØÌû¿ÉÒÔ·¢Í¼Æ¬Âð£¿WPSµÄ¹«Ê½Õ³Ìù²»ÉÏ
£¬¿ÉÒÔ½ØÆÁ·¢Í¼Æ¬ÊÔÊÔ£¬Ð»Ð»Ä㣡
²©¹Û¶øÔ¼È¡£¬ºñ»ý¶ø±¡·¢¡£
4Â¥2014-05-08 12:26:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] µ÷¼ÁÇóÊÕÁô +31 ¹ûÈ»ÓÐÎÒ 2026-04-10 32/1600 2026-04-13 21:35 by gretl
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +21 ioodiiij 2026-04-08 21/1050 2026-04-13 20:40 by biomen
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©½ÓÊÜ¿çרҵ +8 ÏàÐűػá¹ââÍòÕ 2026-04-13 8/400 2026-04-13 20:26 by biomen
[¿¼ÑÐ] ²ÄÁϸ´ÊÔÇóµ÷¼Á +24 xhhdjdjsjks 2026-04-09 24/1200 2026-04-13 15:49 by ÐÒÃâ ..
[¿¼ÑÐ] 086000µ÷¼Á +6 Ê®Æßsa 2026-04-07 6/300 2026-04-12 11:05 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼ÑÐ] Çóµ÷¼Á +18 MAXâê㯠2026-04-09 20/1000 2026-04-11 23:31 by zhen¡«
[¿¼ÑÐ] 277 ÊýÒ»104£¬Ñ§Ë¶£¬Çóµ÷¼Á +21 Æ¿×ÓPZ 2026-04-09 23/1150 2026-04-11 23:12 by labixiaoqiao
[¿¼ÑÐ] 0860004 Çóµ÷¼Á 309·Ö +9 Yin DY 2026-04-08 9/450 2026-04-11 22:55 by dongdian1
[¿¼ÑÐ] 267Çóµ÷¼Á +8 ÔÙæҲҪ³Ô·¹°¡ 2026-04-09 8/400 2026-04-11 21:42 by cfdbai
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 ban°àСÆß 2026-04-11 3/150 2026-04-11 20:48 by may_ÐÂÓî
[¿¼ÑÐ] 0854µ÷¼Á +5 ÒôÏñµêÌý»¨¹ÄÏ· 2026-04-10 5/250 2026-04-11 10:49 by qingpingzhu
[¿¼ÑÐ] 275Çóµ÷¼Á +9 1624447980 2026-04-08 10/500 2026-04-11 10:20 by Delta2012
[¿¼ÑÐ] 337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 08:57 by zhq0425
[¿¼ÑÐ] 346£¬¹¤¿Æ0854Çóµ÷¼Á£¬×¨Ë¶ +7 moser233 2026-04-10 8/400 2026-04-11 08:52 by Öí»á·É
[¿¼ÑÐ] 22408 366·Ö£¬±¾¿Æ211£¬Ò»Ö¾Ô¸Î÷¹¤´ó +4 Rubt 2026-04-09 4/200 2026-04-10 19:51 by chemisry
[¿¼ÑÐ] 0858Çóµ÷¼Á 5+5 Gky09300550£¬ 2026-04-10 8/400 2026-04-10 19:13 by chemisry
[¿¼ÑÐ] 265Çóµ÷¼Á +12 ·ç˵ËýÔçÍüÁË 2026-04-10 13/650 2026-04-10 18:56 by chemisry
[¿¼ÑÐ] 296Çóµ÷¼Á +3 Íô£¡£¿£¡ 2026-04-08 3/150 2026-04-08 22:00 by zhouyuwinner
[¿¼ÑÐ] Çó¿¼ÑвÄÁϵ÷¼Á +3 ²Ä»¯Àî¿É 2026-04-07 3/150 2026-04-08 00:21 by JourneyLucky
[¿¼ÑÐ] 313Çóµ÷¼Á +3 Ê®Áùʰ½ 2026-04-07 3/150 2026-04-07 23:20 by lbsjt
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û