Znn3bq.jpeg
²é¿´: 1927  |  »Ø¸´: 3

Yefee

гæ (³õÈëÎÄ̳)

[½»Á÷] ƫ΢·Ö·½³Ì¶¨³£Óëȫ΢·Ö·½³ÌµÄ¹ØÏµ ÒÑÓÐ1È˲ÎÓë

ÏÖÓÐÈçÏÂµÄÆ«Î¢·Ö·½³Ì×飺
ƫ΢·Ö·½³Ì¶¨³£Óëȫ΢·Ö·½³ÌµÄ¹ØÏµ
¼ÙÉèU1£¬U2¶¨³££¨¼´Æ«U1/Æ«t=0,Æ«U2/Æ«t=0£©
¼´×ª»¯ÎªÈçÏ£º
ƫ΢·Ö·½³Ì¶¨³£Óëȫ΢·Ö·½³ÌµÄ¹ØÏµ-1
ÄÇôÉÏÃæµÄƫ΢·Ö·½³Ì×é×îºó£¨Ê±¼ätÉÏ£©ÊÕÁ²µÄ½á¹ûÓëÏÂÃæÈ«Î¢·Ö·½³Ì×é±ßÖµÎÊÌâµÄ½â»áÒ»ÖÂÂð£¿
Õâ¸öÎÊÌâÒ»Ö±À§ÈÅ×ÅÎÒ£¬Ð¡Ä¾³æÉÏ´óÉñ¶à£¬Çë´ó¼ÒÖ¸½Ì£¡
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

Êýѧ

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

Yefee

гæ (³õÈëÎÄ̳)

ľÓÐÈ˹Ø×¢Âð°¡£¿
2Â¥2015-01-27 13:30:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÖÕ̫֮µ¶¡ªÏþ

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

Êýѧ°®ºÃÕß

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
lzËùÌáÎÊÌâµÄÃèÊöËÆÓв»Íס£
¿É¸ÄΪ£ºÉèÔ­°ëÏßÐÔÅ×ÎïÐÍPDEµÄ³õ±ßÖµÎÊÌâµÄ½âΪu(x,t)£»
             È¥µôʱ¼äµÄµ¼ÊýÏËùµÃµÄ¶¨³£ÍÖÔ²ÐÍPDEµÄ±ßÖµÎÊÌâµÄ½â¼ÇΪv(x)£»
ÎÊ£ºu(x,t)µÄ½¥½üÐÎ̬;
¼´ÊÇÎÊ£ºlim(t¡ú+¡Þ) u(x,t)=v(x)ÊÇ·ñ³ÉÁ¢£¿

(ÕâÀï¼Ù¶¨¶¨½âÎÊÌâµÄ¹Åµä½âÊÇ´æÔÚÇÒΨһµÄ£©
PreferenceforMathematics
3Â¥2015-02-15 22:22:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÖÕ̫֮µ¶¡ªÏþ

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

Êýѧ°®ºÃÕß

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
Õâ¸öÎÊÌâÉæ¼°µ½Å×ÎïÐÍPDEÖ®½âÇ÷ÓÚÆ½ºâÐԵ͍ÐÔÀíÂÛ¡£
¿ÉÒԲο¼Á´½Ó£ºhttp://muchong.com/bbs/viewthread.php?tid=7969680&fpage=1&target=blank¡ª¡ª¡¶·´Ó¦À©É¢·½³ÌÒýÂÛ¡·Ò»ÊéµÄÄÚÈÝ¡£
PreferenceforMathematics
4Â¥2015-02-15 22:30:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ Yefee µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸´óÁ¬Àí¹¤´óѧ354·Ö +5 ÓêÉùÓàÉú 2026-04-11 6/300 2026-04-11 16:12 by ÓêÉùÓàÉú
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +8 СȽҪŬÁ¦ 2026-04-10 9/450 2026-04-11 10:22 by wwj2530616
[¿¼ÑÐ] 0854µ÷¼Á +8 950824he@ 2026-04-09 8/400 2026-04-11 10:11 by zhq0425
[¿¼ÑÐ] 293Çóµ÷¼Á +5 ÓÂÔ¶¿â°®314 2026-04-06 5/250 2026-04-11 09:44 by zhq0425
[¿¼ÑÐ] 326Çóµ÷¼Á +5 Shansyn 2026-04-10 5/250 2026-04-10 22:23 by Öí»á·É
[¿¼ÑÐ] 263ÄÜÔ´¶¯Á¦×¨Ë¶Çóµ÷¼Á +3 ¼Ó´óºÅ·¹ºÐ´ü 2026-04-10 3/150 2026-04-10 22:23 by 286640313
[¿¼ÑÐ] Ò»Ö¾Ô¸¾©Çø985£¬085401£¬Óë±¾¿Æ×¨ÒµÒ»Ö£¬µç×ÓÐÅÏ¢¹¤³Ì£¬ +4 Ñô¹â¿ªÀʵÄÄк¢ 2026-04-10 4/200 2026-04-10 18:27 by shenrf
[¿¼ÑÐ] 277Çóµ÷¼Á +19 Äß½¨Éè 2026-04-06 19/950 2026-04-10 09:24 by guosr9609
[¿¼ÑÐ] 301Çóµ÷¼Á +6 ¾²¾²ÏëÏë 2026-04-05 6/300 2026-04-10 09:15 by Delta2012
[¿¼ÑÐ] 08600ÉúÎïÓëÒ½Ò©-327 +10 18755400796 2026-04-05 10/500 2026-04-10 08:14 by kangsm
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á£¬Ò»Ö¾Ô¸Ö£ÖÝ´óѧ²ÄÁÏÓ뻯¹¤289·Ö +31 ˶ÐǸ° 2026-04-08 31/1550 2026-04-09 16:54 by Delta2012
[¿¼ÑÐ] µ÷¼Á +12 ÔÂ@163.com 2026-04-08 12/600 2026-04-09 14:27 by rl1980
[¿¼ÑÐ] 288Çóµ÷¼Á +15 ûÓдð°¸_ 2026-04-05 15/750 2026-04-09 10:22 by 5268321
[¿¼ÑÐ] 326·Ö£¬Ò»Ö¾Ô¸»¦9£¬ÇóÉúÎïѧµ÷¼Á +4 Áõīī 2026-04-05 4/200 2026-04-08 06:22 by lijunpoly
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄÏ090202Çóµ÷¼Á +4 ÔÚÏßÇóÓÐѧÉÏ 2026-04-07 4/200 2026-04-07 19:47 by biomichael
[¿¼ÑÐ] 318Çóµ÷¼Á +5 ÀîÇàɽɽɽ 2026-04-07 5/250 2026-04-07 18:24 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ÉúÎïѧ363µ÷¼ÁÇóÖú +7 fanzhang6666 2026-04-06 9/450 2026-04-07 17:37 by lijunpoly
[¿¼ÑÐ] ¹¤¿Æ370Çóµ÷¼Á +3 äçÐļ弦µ° 2026-04-05 3/150 2026-04-06 10:55 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 296Çóµ÷¼Á +3 Íô£¡£¿£¡ 2026-04-05 5/250 2026-04-05 17:38 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 313Çóµ÷¼Á +3 º£ÈÕº£ÈÕ 2026-04-04 3/150 2026-04-05 07:48 by 544594351
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û