Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1106  |  »Ø¸´: 11
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

wocamuchong

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] boundary condition Çó free constant

ÎÒ²»ÖªµÀÕâ¸öÄܲ»ÄÜÓÃMathematicaÀ´Ç󣬵«ÊÇÎÒÓÃÊÖË㣬̫Âé·³ÁË¡£ÎÒ¹ý¼¸ÌìÔÙÊÔÊÔ£¬µ«ÊÇÈç¹ûË­ÖªµÀÓÃmathematicaÀ´ÇóµÄ»°£¬×îºÃÁË¡£

ÎÒÓиöʽ×ÓÊÇ£¬ËüµÄboundary conditionÊÇ£¬ÆäÖÐ theta, a, b and gamma ÊÇconstant£¬ Ҫͨ¹ýÕâËĸöboundary conditionÀ´Çó³öÀ´¡£ÓÃmathematicaÀïÓú÷½·¨Âð£¿

[ Last edited by wocamuchong on 2014-2-17 at 07:17 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

wocamuchong

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
7Â¥: Originally posted by walk1997 at 2014-02-17 22:36:02
Äã´úÂëÀïÃæÃ»Ö¸Ã÷alphaµÄÖµ°É¡£
Èç¹ûÖ¸¶¨ÁË »¹½â²»³öÀ´  ÔÙÊÔFindRoot
£¨Õâ4¸öÌõ¼þ±È½ÏÂé·³ £© Èç¹ûÓнâµÄ»° ¶Ô´¦³õÖµ¿ÉÄܺÜÒÀÀµ(×îºÃÄÜÓÐÎïÀíÉ϶ԲÎÊýÇøÓòµÄÁ˽⣬ÎÒ¿´Õâ¸öBesselJºóÃæÓÖÀ´¸öln ºÜÈÝÒ׳ö¸´Êý)
...

àÅ£¬ÎÒÃ÷ÌìÊÔÊÔ¡£ÕâÀïµÄÎÊÌâÊÇÄǸöBesselJ º¯ÊýÀïÓÐδ֪Á¿a ,b£¬¶øÇÒÎÒ»¹²»ÄܶÔbesselº¯ÊýÇó·´º¯Êý£¬ÒòΪËû²»ÊÇ¡£ËùÒÔºÃÂé·³¡£Ð»Ð»
8Â¥2014-02-18 00:06:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 12 ¸ö»Ø´ð

walk1997

½ð³æ (ÖøÃûдÊÖ)

Çóʲô£¿
ÎÒ¿´V±í´ïʽµÄδ֪ÊýÖ»ÓÐ \alpha (J_3¸ÃÊǸöÒÑÖªº¯Êý°É)
Äã¸ø4¸öÔ¼Êø, ¿´²»Ì«¶®ÎÊÌâ¡£
2Â¥2014-02-17 13:10:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

walk1997

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by walk1997 at 2014-02-17 13:10:20
Çóʲô£¿
ÎÒ¿´V±í´ïʽµÄδ֪ÊýÖ»ÓÐ \alpha (J_3¸ÃÊǸöÒÑÖªº¯Êý°É)
Äã¸ø4¸öÔ¼Êø, ¿´²»Ì«¶®ÎÊÌâ¡£

ÖØÐÂÀí½âÁËÏ£¬ÊÇÒªÇótheta,a,b,gammaô?
ÄÇalphaÄØ£¿ËãÊÇÒÑÖªµÄô£¿
3Â¥2014-02-17 13:12:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

btx97

½ð³æ (СÓÐÃûÆø)

Ëĸö·½³Ì£¬Ëĸöδ֪Êý¡££Í£Á£Ô£È£Å£Í£Á£Ô£É£Ã£ÁÓ¦¸ÃÄÜÇóµÄ¡£
4Â¥2014-02-17 19:50:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] µ÷¼ÁÇóÖú£¨ÉúÎïÓëÒ½Ò©£© +5 @6952 2026-04-06 5/250 2026-04-07 20:31 by syh9288
[¿¼ÑÐ] 304Çóµ÷¼Á +8 ËØÄê¼ÀÓï 2026-04-06 11/550 2026-04-07 17:54 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 0854Çóµ÷¼Á +9 ºàÊÏ·¬ÇÑɳ˾ 2026-04-06 10/500 2026-04-07 14:37 by shdgaomin
[¿¼ÑÐ] ѧ˶»¯Ñ§¹¤³ÌÓë¼¼Êõ£¬Ò»Ö¾Ô¸Öйúº£Ñó´óѧ320+Çóµ÷¼Á +9 ÅûÐÇºÓ 2026-04-02 9/450 2026-04-07 12:53 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 297Çóµ÷¼Á +13 GENJIOW 2026-04-07 14/700 2026-04-07 12:25 by 1018329917
[¿¼ÑÐ] 0703»¯Ñ§ +22 ÄÝÄÝninicgb 2026-04-04 25/1250 2026-04-07 10:35 by plum
[¿¼ÑÐ] ÐŹ¤Ëù11408 340·Ö ±¾¿ÆÎ÷°²½»´ó×Ô¶¯»¯ +3 moontrek 2026-04-06 3/150 2026-04-07 09:56 by chongya
[¿¼ÑÐ] 312Çóµ÷¼Á +4 LR6 2026-04-06 4/200 2026-04-07 08:42 by jp9609
[¿¼ÑÐ] Çóµ÷¼Á +4 µçÆøÐ¡Éñͯ 2026-04-04 6/300 2026-04-07 00:14 by guanxin1001
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©Çóµ÷¼Á +7 heguanhua 2026-04-05 8/400 2026-04-06 18:41 by macy2011
[¿¼ÑÐ] 308Çóµ÷¼Á +13 ÌÈÈôÆð·çÁËÄØ 2026-04-05 13/650 2026-04-06 14:20 by ½¯ð©Óí
[¿¼ÑÐ] 0854Çóµ÷¼Á +4 assdll 2026-04-05 4/200 2026-04-06 12:29 by ÖзÉÔº¿Õ¹ÜѧԺÑ
[¿¼ÑÐ] Çóµ÷¼ÁÇóµ÷¼Á +8 121. 2026-04-02 8/400 2026-04-05 20:15 by lys0704
[¿¼ÑÐ] 331Çóµ÷¼Á +3 niby 2026-04-02 3/150 2026-04-04 19:56 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á +3 ffyyu 2026-04-02 3/150 2026-04-04 19:03 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁÏ295 +13 СӢ11 2026-04-03 14/700 2026-04-04 09:02 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] 266Çóµ÷¼Á +8 ѧԱ97LZgn 2026-04-03 8/400 2026-04-04 09:02 by 20021109
[¿¼ÑÐ] µ÷¼Á0855-288 +5 xÐܶþa 2026-04-03 5/250 2026-04-04 00:19 by Öí»á·É
[¿¼ÑÐ] 366Çóµ÷¼ÁÒ»Ö¾Ô¸¶«±±´óѧ +8 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 8/400 2026-04-02 21:39 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸´ó¹¤Ñ§Ë¶£¬Çóµ÷¼Á +4 yub0811 2026-04-02 4/200 2026-04-02 21:36 by °ÙÁéͯ888
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û