²é¿´: 76  |  »Ø¸´: 2
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
¡¾ÐüÉͽð±Ò¡¿»Ø´ð±¾ÌûÎÊÌ⣬×÷Õßxiaofeng461½«ÔùËÍÄú 1 ¸ö½ð±Ò

xiaofeng461

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] ÇëÊýѧ¸ßÊÖ°ïæ

y'(x)+a*y(x)=z'(x)+b*z(x)
ÇëÄú°ïÎÒ°Ñy(x)=.....Çó³öÀ´ a,b Ϊ³£Êý,Íò·Ö¸Ðл,

[ Last edited by xiaofeng461 on 2007-11-22 at 21:19 ]

» ²ÂÄãϲ»¶

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

03180055

½ð³æ (ÕýʽдÊÖ)

Y=e-ax¡Òz¡¯(x)*eaxdx  +e-ax¡Òb*z(x)eaxdx +c*e-ax
ÑªÒºÖÆÆ·×¨¼Ò
2Â¥2007-11-24 10:50:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

joe1027

Òø³æ (СÓÐÃûÆø)

´óѧ±ÏÒµ¼¸Äê,¸ßÊýÒѾ­ÍüµÄ²î²»¶àÁË
3Â¥2007-11-24 14:30:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xiaofeng461 µÄÖ÷Ìâ¸üÐÂ
²»Ó¦Öú È·¶¨»ØÌûÓ¦Öú (×¢Ò⣺ӦÖú²Å¿ÉÄܱ»½±Àø£¬µ«²»ÔÊÐí¹àË®£¬±ØÐëÌîд15¸ö×Ö·ûÒÔÉÏ)
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 280·ÖÇóµ÷¼Á Ò»Ö¾Ô¸085802 +4 PUMPT 2026-03-22 7/350 2026-03-22 22:13 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 308Çóµ÷¼Á +3 īīĮ 2026-03-21 3/150 2026-03-22 16:54 by i_cooler
[¿¼ÑÐ] 289Çóµ÷¼Á +7 »³èªÎÕè¤l 2026-03-20 7/350 2026-03-22 15:57 by ColorlessPI
[¿¼ÑÐ] 291 Çóµ÷¼Á +3 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 3/150 2026-03-22 14:26 by ColorlessPI
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ070300 ѧ˶336Çóµ÷¼Á +5 vvÃÔ 2026-03-21 8/400 2026-03-22 14:20 by ColorlessPI
[¿¼ÑÐ] Çóµ÷¼Á +7 Auroracx 2026-03-22 7/350 2026-03-22 12:38 by ËØÑÕÇã³Ç1988
[¿¼²©] ÕÐÊÕ²©Ê¿1-2ÈË +3 QGZDSYS 2026-03-18 4/200 2026-03-22 10:25 by QGZDSYS
[¿¼ÑÐ] ×ÊÔ´Óë»·¾³ µ÷¼ÁÉêÇë(333·Ö) +5 holy J 2026-03-21 5/250 2026-03-21 22:42 by Catalysis25
[¿¼ÑÐ] 280Çóµ÷¼Á +11 ¹¾ààÏþÏþ 2026-03-18 12/600 2026-03-21 22:40 by ACS Nano¡ª¡ª
[¿¼ÑÐ] 313Çóµ÷¼Á +4 ËÁÈþ·¡Ò¼22 2026-03-19 4/200 2026-03-21 17:33 by ColorlessPI
[¿¼ÑÐ] 306Çó0703µ÷¼ÁÒ»Ö¾Ô¸»ªÖÐʦ·¶ +5 Ö½Óãly 2026-03-21 5/250 2026-03-21 17:11 by ѧԱ8dgXkO
[¿¼ÑÐ] 083200ѧ˶321·ÖÒ»Ö¾Ô¸ôßÄÏ´óѧÇóµ÷¼Á +3 innocenceF 2026-03-17 3/150 2026-03-21 02:35 by JourneyLucky
[¿¼ÑÐ] 296Çóµ÷¼Á +6 www_q 2026-03-18 10/500 2026-03-20 23:56 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ £¬070300»¯Ñ§Ñ§Ë¶£¬×Ü·Ö287£¬Ë«·ÇÒ»±¾£¬Çóµ÷¼Á¡£ +4 ³¿»èÏßÓëÐǺ£ 2026-03-19 4/200 2026-03-20 22:15 by JourneyLucky
[ÂÛÎÄͶ¸å] ÉêÇë»Ø¸åÑÓÆÚÒ»¸öÔ£¬±à¼­Í¬ÒâÁË¡£µ«ÏµÍ³ÉϵÄʱ¼äû±ä£¬¸ø±à¼­ÓÖдÓʼþÁË£¬Ã»»Ø¸´ 10+3 wangf9518 2026-03-17 4/200 2026-03-19 23:55 by babero
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +4 ÉúÎ﹤³Ìµ÷¼Á 2026-03-16 12/600 2026-03-19 11:10 by ÉúÎ﹤³Ìµ÷¼Á
[¿¼ÑÐ] ¡¾Í¬¼ÃÈí¼þ¡¿Èí¼þ£¨085405£©¿¼ÑÐÇóµ÷¼Á +3 2026eternal 2026-03-18 3/150 2026-03-18 19:09 by ²«»÷518
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +3 ÄÝÄÝninicgb 2026-03-17 3/150 2026-03-18 10:29 by macy2011
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +6 ´ó»ðɽС»ðɽ 2026-03-16 8/400 2026-03-17 15:05 by ÎÞи¿É»÷111
[ÂÛÎÄͶ¸å] ÓÐûÓдóÀз¢Ð¡ÂÛÎÄÄÜ´øÎÒ¸ö¶þ×÷ +3 ÔöÈñ©ÈË 2026-03-17 4/200 2026-03-17 09:26 by xs74101122
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û