±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1094  |  »Ø¸´: 11

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

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

wocamuchong

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by walk1997 at 2014-02-17 13:12:44
ÖØÐÂÀí½âÁËÏ£¬ÊÇÒªÇótheta,a,b,gammaô?
ÄÇalphaÄØ£¿ËãÊÇÒÑÖªµÄô£¿...

Êǵġ£JÊÇbessel function£¬ËãÊÇÒÑÖªµÄ¡£alphaÊÇÒÑÖªµÄ¡£
5Â¥2014-02-17 20:42:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wocamuchong

Ìú³æ (СÓÐÃûÆø)

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¡£

ÎÒÓÃÏÂÃæµÄÁÐʽȥË㣬µ«ÊÇÒòΪÄǸö±ß½çÌõ¼þÌ«¹Ö£¬Ó²ËãËã²»³öÀ´°¡
boundary condition Çó free constant
Capture d¡¯écran 2014-02-17 à 13.58.46.png

6Â¥2014-02-17 21:01:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

walk1997

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
6Â¥: Originally posted by wocamuchong at 2014-02-17 21:01:00
ÎÒÓÃÏÂÃæµÄÁÐʽȥË㣬µ«ÊÇÒòΪÄǸö±ß½çÌõ¼þÌ«¹Ö£¬Ó²ËãËã²»³öÀ´°¡

Capture d¡¯écran 2014-02-17 à 13.58.46.png
...

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)
Èç¹û»¹²»ÐÐ ÔÙÊÔFindMinimum
7Â¥2014-02-17 22:36:02
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

walk1997

½ð³æ (ÖøÃûдÊÖ)

ÕÒÁ˰ëÌì ûÕÒµ½ÊµÊý½â  
ת»¯Îª·ÇÏßÐԵļ«ÖµÎÊÌâ  ÕÒ²»µ½Îª0µÄµã
ÄãµÄԭʼ±í´ïʽûÎÊÌâ°É£¿
»òÕßÇóµÄÊǸ´Êý½â?  -
9Â¥2014-02-18 08:06:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

walk1997

½ð³æ (ÖøÃûдÊÖ)

ÅÜÁËÏÂÊýÖµ³ÌÐò ËÑË÷4¸öÔ¼ÊøÌõ¼þ¾ø¶ÔÖµÖ®ºÍµÄ¼«Ð¡Öµ ·Å¿ªalphaµÄÔ¼Êø
´ÓÏÖÓÐÊýÖµ½á¹ûÉÏ¿´  ¸öÈ˸оõ×îÓпÉÄÜÊǵÚ4¸öÌõ¼þÓÐÎÊÌâ  Ç°Ãæ3¸öÄÜ×ÔÇ¢Âú×ã
²»¹ýÒ²¿ÉÄÜÎÒËÑË÷µÄ²»ÍêÕû ÁíÍâҲûÓе¥¶À¶ÔÈÎÒâ3¸öÔ¼Êø×éºÏÆðÀ´ËÑË÷
--  Èç¹û¿ÉÒԵϰ Ï£ÍûLZÌṩ½øÒ»²½µÄ±³¾° ÎÒÏëÒ²ÐíÄÄÀïÓÐÎÊÌâ?
10Â¥2014-02-18 15:18:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ wocamuchong µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏ¿¼ÑÐÇóµ÷¼Á×Ü·Ö280 +18 mkjlz1 2026-04-06 20/1000 2026-04-07 10:59 by wangjy2002
[¿¼ÑÐ] Çóµ÷¼Á +4 µçÆøÐ¡Éñͯ 2026-04-04 6/300 2026-04-07 00:14 by guanxin1001
[¿¼ÑÐ] 327¿¼Ñе÷¼ÁÍÆ¼ö +6 ÎØÎØÎØÎØÄØ 2026-04-06 6/300 2026-04-06 21:39 by à£à£à£0119
[¿¼ÑÐ] 338Çóµ÷¼Á +4 ÎÒÏëÉϰ¶ii 2026-04-05 4/200 2026-04-06 21:04 by ľ×Ó¾ý1218
[¿¼ÑÐ] ¹¤¿Æ370Çóµ÷¼Á +3 äçÐļ弦µ° 2026-04-05 3/150 2026-04-06 10:55 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 331Çóµ÷¼Á +8 ÓÚÕ÷yz 2026-04-05 8/400 2026-04-06 00:54 by fmesaito
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©298µ÷¼ÁÇóÖú +9 ÔªÔªÇàÇà 2026-03-31 12/600 2026-04-05 21:03 by ѧԱ8dgXkO
[¿¼ÑÐ] 326Çóµ÷¼Á +3 ¹ËÈô¸¡Éú 2026-04-05 3/150 2026-04-05 18:32 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Áµ½0856²ÄÁϹ¤³Ì +3 ³Ì9915 2026-04-05 3/150 2026-04-05 18:15 by À¶ÔÆË¼Óê
[¿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] 266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á +11 ÍÛºôºßºôºß 2026-04-01 12/600 2026-04-04 23:17 by ÓÀ×ÖºÅ
[¿¼ÑÐ] 286Çóµ÷¼Á +3 ²Ýľ²»ÑÔ 2026-04-04 3/150 2026-04-04 22:40 by lbsjt
[¿¼ÑÐ] 296²ÄÁÏר˶Çóµ÷¼Á +21 202451007219 2026-04-02 22/1100 2026-04-04 21:48 by hemengdong
[¿¼ÑÐ] 11408£¬284·Ö£¬¶þÕ½Õæ³ÏÇóµ÷¼Á +4 12.27 2026-04-02 4/200 2026-04-03 14:14 by dxiaoxin
[¿¼ÑÐ] ÊýÒ»Ó¢Ò»285Çóµ÷¼Á +7 AZMK 2026-04-03 9/450 2026-04-03 13:03 by ms629
[¿¼ÑÐ] 309Çóµ÷¼Á +14 ´ô¹½²»ÊÇ´÷·ò 2026-04-02 14/700 2026-04-03 09:42 by À¶ÔÆË¼Óê
[¿¼²©] É격ÇóÖú +3 Reee1Llll 2026-04-01 3/150 2026-04-02 22:29 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 282Çóµ÷¼Á +13 ºôÎü¶¼ÊǼõ·Ê 2026-04-01 13/650 2026-04-02 14:10 by baoball
[¿¼ÑÐ] »¯Ñ§¹¤³Ìר˶324·Ö£¬Ò»Ö¾Ô¸Öйú¿óÒµ´óѧÇóµ÷¼Á +7 ¹¢¹¢1314 2026-04-01 7/350 2026-04-02 07:40 by ÉÐË®¸óÖ÷
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û