Znn3bq.jpeg
²é¿´: 1648  |  »Ø¸´: 18

dulituan08

гæ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú¡¿ÓÃMATLAB Çó΢·Ö·½³Ì ÒÑÓÐ9È˲ÎÓë

Dy=y*(1+1./y)
ÄÄλ´óÏÀÖªµÀÉÏÃæÕâ¸ö΢·Ö·½³ÌÔõô½â£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

dulituan08

гæ (СÓÐÃûÆø)

×Ô¼ºÏȶ¥Ò»¸ö
2Â¥2010-05-09 17:39:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

robert2020

Òø³æ (ÖøÃûдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
adu886886(½ð±Ò+1):¹ÄÀø½»Á÷ 2010-05-10 08:36:22
²»ÖªµÀÊDz»ÊÇÂ¥Ö÷ÏëÒªµÄ£¿

dsolve('Dy=y*(1+1./y)','x')
Truthfulness,Compassion,Tolerance,Beauty
3Â¥2010-05-09 18:10:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dulituan08

гæ (СÓÐÃûÆø)

ÎÒÊÔÊÔ¿´
4Â¥2010-05-09 18:15:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dulituan08

гæ (СÓÐÃûÆø)

½â²»³öÀ´£º>> syms x
dsolve('Dy=y*(1+1./y)','x')
??? Error using ==> sym.sym>expression2ref at 2408
Error: 'expression' expected [line 1, col 20]

Error in ==> sym.sym>char2ref at 2378
    s = expression2ref(x);

Error in ==> sym.sym>tomupad at 2147
        S = char2ref(x);

Error in ==> sym.sym>sym.sym at 102
                S.s = tomupad(x,'');

Error in ==> dsolve>mupadDsolve at 189
sys = sym(sys_str);

Error in ==> dsolve at 97
[R,vars] = mupadDsolve(ignoreConstraints,varargin{1:narg});
5Â¥2010-05-09 18:18:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dulituan08

гæ (СÓÐÃûÆø)

³öÏÖÕâЩ¶«Î÷
6Â¥2010-05-09 18:19:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hopingzou

½ð³æ (ÖøÃûдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
adu886886(½ð±Ò+1):ллÌṩÒâ¼û 2010-05-10 08:36:39
7Â¥2010-05-09 20:55:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zzuliuchen

Òø³æ (ÕýʽдÊÖ)

²»Ì«Çå³þ£¬Ë³±ãÁ˽⡭¡­
Rifle over my shoulder and Lover on my back
8Â¥2010-05-09 22:02:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

robert2020

Òø³æ (ÖøÃûдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
adu886886(½ð±Ò+1):ллÌṩÒâ¼û 2010-05-10 08:36:46
ÒýÓûØÌû:
Originally posted by dulituan08 at 2010-05-09 18:18:57:
½â²»³öÀ´£º>> syms x
dsolve('Dy=y*(1+1./y)','x')
??? Error using ==> sym.sym>expression2ref at 2408
Error: 'expression' expected [line 1, col 20]

Error in ==> sym.sym>char2re ...

²»ÒªÓÃsyms x
Ö±½Ódsolve('Dy=y*(1+1./y)','x')¾Í¿ÉÒÔ½â¾öÁË~~
Truthfulness,Compassion,Tolerance,Beauty
9Â¥2010-05-09 22:13:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dulituan08

гæ (СÓÐÃûÆø)

лл°¡£¬¡£¡£¡£»¹ÕæÊÇÕæÊÇÕâÑù
10Â¥2010-05-10 09:53:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ dulituan08 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] µ÷¼Á +12 2261744733 2026-04-08 12/600 2026-04-08 23:55 by GouQ
[¿¼ÑÐ] 070300»¯Ñ§Ñ§Ë¶311·ÖÇóµ÷¼Á +17 Áº¸»¹óÏÕÖÐÇó 2026-04-04 18/900 2026-04-08 22:53 by may_ÐÂÓî
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +15 ŬÁ¦·Ü¶·112 2026-04-06 17/850 2026-04-08 22:27 by ¿­¿­Òª±ä˧
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤£¬Çóµ÷¼Á +6 won_qii 2026-04-07 6/300 2026-04-08 21:57 by hypershenger
[¿¼ÑÐ] 085404£¬334·Ö£¬Çóµ÷¼Á +5 sunjie8888 2026-04-08 5/250 2026-04-08 21:39 by 313165yang
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +13 ŬÁ¦·Ü¶·112 2026-04-08 13/650 2026-04-08 21:17 by ѧԱtURuqU
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +10 ŬÁ¦·Ü¶·112 2026-04-07 10/500 2026-04-08 15:01 by screening
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ·¶´óѧ-22408¼ÆËã»ú-292·Ö-Çó»ªÄÏʦ·¶´óѧµ÷¼Á +5 °®¶ÁÊéµÄСöùÓã 2026-04-02 5/250 2026-04-08 14:55 by CASС»¨¹¤
[¿¼ÑÐ] ¼ÆËã»ú408£üÔÚУ¶à´Î¹ú¼Ò¼¶¾ºÈü»ñ½±£üÉêÇëµ÷¼Á +4 ¶«É½´ó°×¶ì 2026-04-05 4/200 2026-04-08 00:18 by chongya
[¿¼ÑÐ] 323Çóµ÷¼Á +3 ÁÖzlu 2026-04-07 4/200 2026-04-07 23:21 by lbsjt
[¿¼ÑÐ] 326Çóµ÷¼Á +5 9ahye 2026-04-02 6/300 2026-04-07 21:37 by lijunpoly
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +12 ÏàÐűػá¹ââÍòÕ 2026-04-06 15/750 2026-04-07 21:22 by ÇÇßÕßÕßÕ
[¿¼ÑÐ] 277Çóµ÷¼Á ÊýÒ»104·Ö +9 Æ¿×ÓPZ 2026-04-05 14/700 2026-04-07 17:52 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 0703µ÷¼Á +16 ʰ¾ÁÒ¼ 2026-04-04 18/900 2026-04-07 12:49 by flydream1314
[¿¼ÑÐ] ÇóÖú +3 ¿¨¿¨¶«88 2026-04-06 4/200 2026-04-06 15:28 by going home
[¿¼ÑÐ] 0855Çóµ÷¼Á²ÄÁÏ +11 ºìÌÒׯׯ 2026-04-04 12/600 2026-04-06 10:26 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 0817»¯Ñ§¹¤³ÌÓë¼¼ÊõÇóµ÷¼Á£¬Ò»Ö¾Ô¸Öк£Ñó319 +14 lv945 2026-04-04 14/700 2026-04-06 10:20 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 327Çóµ÷¼Á +4 ʰ¹âÈÎȾ 2026-04-05 4/200 2026-04-05 20:16 by ÄϺ½~ÍòÀÏʦ
[¿¼ÑÐ] 348Çóµ÷¼Á +6 wukira 2026-04-04 6/300 2026-04-05 18:11 by Öí»á·É
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦985£¬326·ÖÇóµ÷¼Á +3 Áõīī 2026-04-03 3/150 2026-04-04 11:16 by ±¯É˵ÄÓóÍ·
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û