±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 749  |  »Ø¸´: 7

religanth

½ð³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿¸ßµÈÊýѧ¶¨»ý·Ö¡¾ÒÑÍê½á¡¿ ÒÑÓÐ1È˲ÎÓë

exp(-ax^2)ÔõÑùÔÚ£¨m,n£©Çø¼ä½øÐж¨»ý·Ö£¿a£¬m£¬nΪ³£Êý£¬Ïêϸ²½Öèлл£¡£¡

[ Last edited by ÓàÔó³É on 2010-8-28 at 12:15 ]
»Ø¸´´ËÂ¥
Ò»¶¨ÒªÍ¦×¡£¡£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

minggx

Í­³æ (СÓÐÃûÆø)

religanth(½ð±Ò+5):Õâ¸öÄÜÓÃÊýѧ¹«Ê½ÐÎʽ³ÂÁгöÀ´Â𣿠лл£¡ 2010-08-27 17:17:36
ÔÚÎÒÕâÑùµÄ¸ßÊýä¿´À´¡£¡£¡£Õâ¸öûÓбØÒªÊǸßÊýר¼Ò°É£¿

Clear[a, x, m, n];
Integrate[Exp[-a x^2], {x, m, n}]
Domorethannecessary.
2Â¥2010-08-27 17:06:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

religanth

½ð³æ (ÕýʽдÊÖ)

Õâ¸öÄÜÓÃÊýѧ¹«Ê½£¬³ÂÁгöÀ´Âð£¿
Ò»¶¨ÒªÍ¦×¡£¡£¡
3Â¥2010-08-27 17:11:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

snoopyzhao

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

¡ï
ÓàÔó³É(½ð±Ò+1):лл²ÎÓëÓ¦Öú£¡ 2010-08-27 23:01:33
religanth(½ð±Ò+2): 2010-08-28 11:16:53
maxima ¸ø³öµÄ½á¹ûÊÇ£º

(%i3) integrate(exp(-a*x^2),x,m,n);

(%o3) sqrt(%pi)*erf(sqrt(a)*n)/(2*sqrt(a))
       -sqrt(%pi)*erf(sqrt(a)*m)/(2*sqrt(a))

µ±È»£¬Õâ¸ö½á¹ûÓ¦¸Ã»¹¿ÉÒÔ»¯¼òһϣ¬ºÇºÇ¡­¡­
4Â¥2010-08-27 20:08:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mshwangg

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

¡ï
nono2009(½ð±Ò+1):¹ÄÀøÓ¦Öú¡£ 2010-08-28 06:20:44
religanth(½ð±Ò+2): 2010-08-28 11:17:26

ºÍmathematicaµÄ½á¹ûÂÔÓв»Í¬°¡
5Â¥2010-08-27 23:49:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

snoopyzhao

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

¡ï
ÓàÔó³É(½ð±Ò+1):лл²ÎÓëÓ¦Öú£¡ 2010-08-28 10:18:47
religanth(½ð±Ò+2): 2010-08-28 11:17:38
ÒýÓûØÌû:
Originally posted by mshwangg at 2010-08-27 23:49:14:

ºÍmathematicaµÄ½á¹ûÂÔÓв»Í¬°¡

ÆäʵһÑùµÄ°¡£¬sqrt(log(%e)) = 1 °¡¡­¡­
6Â¥2010-08-28 07:53:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mshwangg

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

¡ï
religanth(½ð±Ò+1): 2010-08-28 11:17:07
religanth(½ð±Ò+1): 2010-08-28 11:18:04
ÓàÔó³É(½ð±Ò+1):лл²ÎÓëÓ¦Öú£¡ 2010-08-28 12:15:04
ÒýÓûØÌû:
Originally posted by snoopyzhao at 2010-08-28 07:53:58:


ÆäʵһÑùµÄ°¡£¬sqrt(log(%e)) = 1 °¡¡­¡­


Õâ»Ø¾ÍÒ»ÑùÁË£¬eºÍEÊDz»Í¬µÄ
7Â¥2010-08-28 10:31:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

religanth

½ð³æ (ÕýʽдÊÖ)

лл¸÷λÁË£¡
Ò»¶¨ÒªÍ¦×¡£¡£¡
8Â¥2010-08-28 11:18:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ religanth µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¿¼Ñе÷¼ÁÒ»Ö¾Ô¸±±¿ó°²È«¿ÆÑ§Ó빤³Ìѧ˶316 +3 WwwwwwwÍÛ 2026-04-06 3/150 2026-04-06 20:55 by lbsjt
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +13 СÁõͬѧ߹߹ 2026-04-06 14/700 2026-04-06 19:43 by µç³Ø°¢°×
[¿¼ÑÐ] ÉúÎïѧÇóµ÷¼Á Ò»Ö¾Ô¸»¦9£¬326·Ö +6 Áõīī 2026-04-06 6/300 2026-04-06 19:36 by lijunpoly
[¿¼ÑÐ] Ò»Ö¾Ô¸¹ú¿Æ´óÐŹ¤Ëù,Ó¢¶þÊý¶þ408×Ü·Ö293·ÖÇóµ÷¼Á +3 ilcyuan 2026-04-02 4/200 2026-04-06 16:35 by likeihood
[¿¼ÑÐ] 295Çóµ÷¼Á +14 xndjjj 2026-04-04 15/750 2026-04-06 13:24 by 272061663
[¿¼ÑÐ] 319·Ö085702°²È«¹¤³ÌÇóµ÷¼Á +4 rious 2026-04-05 4/200 2026-04-06 11:08 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] 322Çóµ÷¼Á +3 àźߺߺã 2026-04-05 3/150 2026-04-05 19:52 by nepu_uu
[¿¼ÑÐ] 301Çóµ÷¼Á +3 XYPLR 2026-04-05 4/200 2026-04-05 19:07 by XYPLR
[¿¼ÑÐ] 298·Ö 070300Çóµ÷¼Á +15 zwen03 2026-04-02 15/750 2026-04-05 12:52 by Hdyxbekcb
[¿¼ÑÐ] 081700ѧ˶£¬323·Ö£¬Ò»Ö¾Ô¸Öйúº£Ñó´óѧÇóµ÷¼ÁѧУ +16 ÅûÐÇºÓ 2026-04-04 16/800 2026-04-05 11:27 by Öí»á·É
[¿¼ÑÐ] 298Çóµ÷¼Á +7 manman511 2026-04-05 7/350 2026-04-05 10:29 by ÌÆãå¶ù
[¿¼ÑÐ] 344²ÄÁÏÓ뻯¹¤µ÷¼Á +9 µ÷¼ÁÉϰ¶«^ 2026-04-03 9/450 2026-04-04 23:10 by happyddm
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª±±µçÁ¦´óѧ£¨±±¾©£©£¬²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶265£¬Çóµ÷¼Á +11 yelck 2026-04-03 12/600 2026-04-04 19:52 by dongzh2009
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +6 ·¶¸ùÅà 2026-04-04 6/300 2026-04-04 14:27 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤µ÷¼ÁÒ»Ö¾Ô¸´óÁ¬º£ÊÂ085600£¬349 +11 ³ÔµÄ²»ÉÙ 2026-03-30 11/550 2026-04-03 18:05 by Jimmyandyou
[¿¼ÑÐ] 334Çóµ÷¼Á +9 Trying] 2026-03-31 9/450 2026-04-03 15:18 by ×ÁçíØ¼
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ»¯Ñ§Ó뻯¹¤Ñ§Ôº²ÄÁÏÓ뻯¹¤×¨Ë¶£¬360·ÖÇóµ÷¼Á +4 ²»Ô¸Í¸Â¶ÐÕÃûµÄË 2026-04-02 4/200 2026-04-03 09:29 by ÒÅÍüÏûʧµÄž™
[¿¼ÑÐ] 302Çóµ÷¼Á +9 zyxÉϰ¶£¡ 2026-04-02 9/450 2026-04-02 23:07 by Âí¶ù¿ì¿ìµØÅÜ
[¿¼ÑÐ] 298ÇóBÇøµ÷¼Á +4 zzz£¬£¬r 2026-04-02 5/250 2026-04-02 12:17 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 323·Ö ʳƷÓëÓªÑøµ÷¼Á +3 ºÙooo 2026-03-31 3/150 2026-03-31 09:38 by longlotian
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û