Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 1656  |  »Ø¸´: 11

qljddd

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
5Â¥: Originally posted by hnsfhhc at 2015-08-02 07:55:57
Y=1\4pit (exp(-ar^2\4t))
²»¿¼Âdzõ±ßÖµ

·Ç³£¸Ðл£¡²»ºÃÒâ˼¹þ£¬Ö®Ç°ÎÊÌâûÓÐÃèÊöÇå³þ

³õʼÌõ¼þÓë±ß½çÌõ¼þΪ£º
1.t = 0, r0 <= r <= r1ʱ£¬Y = Y0;
2.r = r1, t > 0ʱ£¬Y = 0;
ÐèÒªÇóÇór = r0£¬t > 0 ʱµÄ½â£»
11Â¥2015-08-02 23:15:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

queen_man

ľ³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÕÒ±¾ÊýѧÎïÀí·½³ÌµÄ½Ì²Ä¡£

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
12Â¥2015-08-03 07:51:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ qljddd µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] 2026 WRÇà°Î +3 liuchb715 2026-04-09 6/300 2026-04-13 18:40 by liuchb715
[¿¼ÑÐ] ²ÄÁϸ´ÊÔÇóµ÷¼Á +24 xhhdjdjsjks 2026-04-09 24/1200 2026-04-13 15:49 by ÐÒÃâ ..
[¿¼ÑÐ] ²ÄÁϹ¤³Ì281»¹Óе÷¼Á»ú»áÂð +32 xaw. 2026-04-11 33/1650 2026-04-13 15:21 by ÕÅzhihao
[¿¼ÑÐ] 293Çóµ÷¼Á +15 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 16/800 2026-04-13 11:56 by 414435937
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó 085600 277 12²Ä¿Æ»ùÇóµ÷¼Á 5+5 chenny174 2026-04-10 33/1650 2026-04-13 08:50 by Sammy2
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ´óѧ 0855 »úе 286 Çóµ÷¼Á +10 ²»»á³ÔÈâ 2026-04-12 10/500 2026-04-12 22:51 by ÁãÁã¶þ
[¿¼ÑÐ] 0831Ò»ÂÖµ÷¼Áʧ°ÜÇóÖú +10 СÐÜî£î£_s 2026-04-11 10/500 2026-04-12 22:43 by ³¤¹­°Á
[¿¼ÑÐ] ±¾¿ÆÄÏ·½Ò½¿Æ´óѧ Ò»Ö¾Ô¸985 ҩѧѧ˶284·Ö Çóµ÷¼Á +5 ÈõË®ÌýÎÄ 2026-04-09 5/250 2026-04-12 13:16 by shengxi123
[¿¼ÑÐ] 291Çóµ÷¼Á +8 ¹ØÒä±±. 2026-04-11 8/400 2026-04-12 09:32 by ÄæË®³Ë·ç
[¿¼ÑÐ] »¯Ñ§¹¤³Ìµ÷¼Á289 +44 yangæÃ 2026-04-07 50/2500 2026-04-12 02:36 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] Çóµ÷¼Á£¬262»úеר˶ +8 àÅyyl 2026-04-08 8/400 2026-04-12 02:31 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 299Çóµ÷¼Á +8 ZVVZ13 2026-04-08 8/400 2026-04-12 00:40 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 303Çóµ÷¼Á +14 SereinQ 2026-04-10 15/750 2026-04-11 20:43 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸´óÁ¬Àí¹¤´óѧ354·Ö +5 ÓêÉùÓàÉú 2026-04-11 6/300 2026-04-11 16:12 by ÓêÉùÓàÉú
[¿¼ÑÐ] Çóµ÷¼Á +13 Ñ©·ê¶¬ 2026-04-10 13/650 2026-04-11 09:58 by Öí»á·É
[¿¼ÑÐ] µ÷¼Á +12 ¾í¾í¾íÐIJË_ 2026-04-09 13/650 2026-04-10 22:36 by Ftglcn90
[¿¼ÑÐ] 368Çóµ÷¼Á +3 17385968172 2026-04-10 3/150 2026-04-10 20:12 by µç×Ӱµ±ë
[¿¼ÑÐ] ¼ª´ó¼ÆËã»ú¼¼Êõ331·Ö£¬Ó¢ÓïÁù¼¶£¬Çóµ÷¼Á +3 ·å·å021116 2026-04-09 3/150 2026-04-10 20:01 by chemisry
[ÂÛÎÄͶ¸å] mdpiСÐÞrvrʱ¼äËÄÎåÌìÁË 20+3 ¹þ¹þhigh 2026-04-08 5/250 2026-04-10 16:02 by ±±¾©À³ÒðÈóÉ«
[¿¼ÑÐ] 270Çóµ÷¼Á +3 031127 2026-04-06 4/200 2026-04-08 21:00 by ÄæË®³Ë·ç
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û