²é¿´: 1120  |  »Ø¸´: 3

ghw_nit

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

[½»Á÷] ÓÉÆ«Î¢·ÖÃèÊöµÄ¹ý³ÌµÄ½âµÄÃû³Æ½Ðʲô±È½ÏºÃÄØ£¿

³£Î¢·Ö·½³ÌµÄ½â¿É³ÆÎª×´Ì¬£¬Æ«Î¢·Ö·½³ÌÃèÊöµÄ¹ý³Ì³ÆÖ®ÎªÊ²Ã´ÄØ£¿Ò»°ãÇé¿öÏ£¬³£Î¢·Ö·½³ÌµÄ½â³ÆÖ®Îª×´Ì¬£¬ÒѾ­³ÉΪһÖÖϰ¹ßÁË£¬³ÆÆ«Î¢·Ö·½³ÌµÄ½âΪ״̬£¬ºÜÈÝÒ×ÒýÆð»ìÏý£¬Æð¸öʲôÃû×ÖºÃÄØ£¿ÆäʵÊÇÒ»¸ö³¡£¬µ«³ÆÖ®Îª³¡ºÃÏñÒ²²»ÊǺܺã¬ÓÐÈËÓкõĽ¨Òéô£¿
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mathstudy

½ð³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¸öÈËÈÏΪ£ºÆ«Î¢·ÖÖÐÆäËû±äÁ¿¹Ì¶¨ÖµÖ®ºó  ¾Í±ä³ÉÁË ³£Î¢ ¾Í¿ÉÒÔÀí½â³É״̬ÁË£»¹ý³ÌÊǺÍʱ¼äÏà¹ØµÄ¸ÅÄ µ±¶à¸ö±äÁ¿Ê±u(x,y,z,t)±íʾtʱ¿Ì¿Õ¼ä(x,y,z)´¦uµÄÖµ£¬¾ÍÊÇÎïÀíÁ¿uÔÚtʱ¿ÌËùÃèÊöµÄ³¡ÁË¡£ È·ÇеĽ² ƫ΢±íÊöµÄÊÇ  Ò»¸öÎïÀíÁ¿ËùÂú×ãµÄ·½³Ì(³õʼÌõ¼þ£¬±ß½çÌõ¼þ)£¬ÎïÀíÉÏΪÁËÑо¿·½±ã£¬Óó¡À´Ñо¿ һЩÎïÀíÁ¿. ûÓÐʲô±ØÒªµÄÁªÏµ£¬ ²»ºÃ˵ ƫ΢ ±íÊöµÄ¹ý³Ì ³ÆÎªÊ²Ã´£¿
2Â¥2014-04-29 16:15:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ghw_nit

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by mathstudy at 2014-04-29 16:15:22
¸öÈËÈÏΪ£ºÆ«Î¢·ÖÖÐÆäËû±äÁ¿¹Ì¶¨ÖµÖ®ºó  ¾Í±ä³ÉÁË ³£Î¢ ¾Í¿ÉÒÔÀí½â³É״̬ÁË£»¹ý³ÌÊǺÍʱ¼äÏà¹ØµÄ¸ÅÄ µ±¶à¸ö±äÁ¿Ê±u(x,y,z,t)±íʾtʱ¿Ì¿Õ¼ä(x,y,z)´¦uµÄÖµ£¬¾ÍÊÇÎïÀíÁ¿uÔÚtʱ¿ÌËùÃèÊöµÄ³¡ÁË¡£ È·ÇеĽ² ƫ΢±íÊöµÄ ...

ÿ¸öÈ·¶¨µã´¦µ±È»¿ÉÒÔ³ÆÖ®Îª×´Ì¬ÁË£¬ÒòΪ´ËʱÔÚÿ¸öÈ·¶¨µã´¦£¬Ï൱ÓÚ¿Õ¼äλÖûòʱ¼äλÖÃÒѾ­È·¶¨ÁË£¬ÄÇ´ËʱµÄƫ΢·Ö·½³ÌÒѾ­³ÉΪ³£Î¢·Ö·½³ÌÁË£¬µ«ÊÇÎÒ˵µÄÊÇ¿ØÖÆÖУ¬ÎÒÃÇ¿ØÖÆÊ±Ò»°ã¶¼ÊÇͨ¹ý¸Ä±ä±ß½çÌõ¼þÀ´ÊµÏÖ·Ö²¼²ÎÊýµÄ¿ØÖÆ£¬±ß½çÌõ¼þ±äÁË£¬Õû¸öÓÉÆ«Î¢·Ö·½³ÌÃèÊöµÄ¹ý³ÌµÄÄǸö³¡¾Í¶¼±äÁË£¬Õâ³ÆÎªÊ²Ã´ÄØ£¬Ö±¹ÛµÄÀí½âÒ²Ó¦¸ÃÊÇ״̬£¬Ö»ÊÇÕâʱ״̬²»ÊÇÒ»¸öµã£¬¶øÊÇÒ»¸ö³¡ÁË£¬µ±È»Õâ²»ÊÇÎÊÌ⣬×î¹Ø¼üµÄÎÊÌâÈËÃÇÒѾ­Ï°¹ßµÄÈÏΪ״̬µÄÕâ¸ö¸ÅÄî¾ÍÊÇij¸öµãµÄÐÅÏ¢£¬Èç¹û»¹ÒªÓÃÕâ¸ö¸ÅÄîµÄ»°£¬È·Êµ¿ÉÄÜÊÇÈËÓлìÏýµÄ¿ÉÄÜ¡£
3Â¥2014-04-29 16:37:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yinhu1988

ľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
partial differential equations deals with the variables related with space and time, u(t, x, y),  u(t0, x, y) is the system states at position x, y at time step t0
¾ý×ÓÎñ±¾£¬¾²Ë®Á÷Éî
4Â¥2014-04-29 18:22:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ghw_nit µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] »ù½ð²»ÖУ¬¹²Ãã +10 eulota 2026-08-26 10/500 2026-08-27 17:23 by lqllinqiaoli
[»ù½ðÉêÇë] Çà»ùÈçºÎÆÆ¾Ö +5 lyz123lyz 2026-08-27 6/300 2026-08-27 17:08 by Cathyau
[»ù½ðÉêÇë] ¹ú×ÔÈ»ÃæÉϸ´ÅÌ~»¶Ó­ÌÖÂÛ (½ð±Ò+5) +10 ÇçÌì¼ÓÓÍ 2026-08-26 11/550 2026-08-27 16:35 by msuhlx
[»ù½ðÉêÇë] »ù½ðδÖУ¬ÕâÖÖ´ð¸´ÊÇÄ£°åÂ𣿠+5 zhaosm1982 2026-08-27 6/300 2026-08-27 16:00 by lfy8008
[»ù½ðÉêÇë] ÃæÉϺÏ×÷µ¥Î»¸ÇÕ +3 ssyjh 2026-08-27 3/150 2026-08-27 09:59 by °¢À­¹±aragon
[»ù½ðÉêÇë] ϵͳ²é²»µ½ +10 ¶­°Ëǧ 2026-08-26 10/500 2026-08-26 16:30 by Equinoxhua
[»ù½ðÉêÇë] Ôõô²é°¡ +5 huang1991js 2026-08-26 5/250 2026-08-26 16:09 by Equinoxhua
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +9 Ñ׻ƹóëÐ 2026-08-22 10/500 2026-08-26 15:40 by semaglutide
[»ù½ðÉêÇë] Ϊʲô¹ú×ÔÈ»²»ÄÜÖ±½Ó¹«²¼ +4 bjdxyxy 2026-08-26 4/200 2026-08-26 13:12 by qingmu1201
[»ù½ðÉêÇë] ¹úºÏÀïÃæÄÜ¿´µ½ÁË +7 Ò»»³Ü°Çï 2026-08-26 7/350 2026-08-26 11:23 by zhaosm1982
[»ù½ðÉêÇë] ϵͳ½ø²»È¥ +4 yanglien 2026-08-26 5/250 2026-08-26 11:10 by wenfengw83
[»ù½ðÉêÇë] ÏîÄ¿ÐÅÏ¢ºÍ¾­·ÑÐÅÏ¢ÔÚϵͳÀï¶¼¿ÉÒÔ¿´µ½ÁË +6 wittyboy 2026-08-26 14/700 2026-08-26 10:55 by wittyboy
[»ù½ðÉêÇë] ¹úºÏ¿É²éÁË +3 paperzjh 2026-08-26 3/150 2026-08-26 10:41 by LemmonTr
[»ù½ðÉêÇë] ½ñÌìÎñί»á¿ªÍêÁË£¬Ã÷Ìì³ö½á¹ûÂð +19 angus9576 2026-08-25 23/1150 2026-08-26 10:03 by zp519
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] ¹úºÏÏÖÔڲ鲻µ½ÁËÂ𣿠+10 chengyan1220 2026-08-24 20/1000 2026-08-26 08:57 by peasantsprig
[»ù½ðÉêÇë] Å£À´£¡Ã×À´£¡ÃæÀ´£¡ +8 beefly 2026-08-26 8/400 2026-08-26 08:37 by xuzhipiao
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +6 chengyan1220 2026-08-23 6/300 2026-08-25 19:45 by zfd97
[»ù½ðÉêÇë] ûÓÐÈκÎÏûÏ¢-ÊDz»ÊǾÍÁ¹ÁË +9 ͼÀ²Í¼À² 2026-08-24 10/500 2026-08-25 11:59 by ÄϺ£Ð¡¸ç
[»ù½ðÉêÇë] ÈËÆø²»ÐÐÁË +11 fansofjerry 2026-08-21 11/550 2026-08-25 11:04 by ¹Â¶ÀµÄÓ¢ÐÛ6
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û