±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1782  |  »Ø¸´: 8
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

hzsh2009

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÈçºÎÓÃmathematicaºÍmatlab»­Æ«Î¢·Öͼ

»­³öͼÀïµÄ¹«Ê½¡£ÒÔ¼°mathematicaдÍêcodeÖ®ºóÊǰ´Ê²Ã´½¡»­³öÍ¼ÄØ£¿Ð»Ð»

δÃüÃû.jpg
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

hzsh2009

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by mshwangg at 2013-04-14 10:09:56
Õâ¸ö¿ÉÒÔÓÐ
...

ÓиöСÎÊÌâ¾ÍÊÇÄǸö¼ýºÅÊÇÔõô´ò³öÀ´µÄÄØ£¿
7Â¥2013-04-15 00:08:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 9 ¸ö»Ø´ð

mshwangg

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
eqns = {x'[t] == -x[t] - 11 y[t], y'[t] == 6 x[t], x[0] == 1, y[0] == 0}
NDSolve[eqns, {x[t], y[t]}, {t, 0, 10}]
Plot[x[t] /. %, {t, 0, 10}]
Plot[y[t] /. %%, {t, 0, 10}]
2Â¥2013-04-14 06:51:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hzsh2009

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by mshwangg at 2013-04-13 17:51:50
eqns = {x' == -x - 11 y, y' == 6 x, x == 1, y == 0}
NDSolve
Plot
Plot

ÄúºÃ£¬ÎÒÏëÖªµÀµÄÆäʵÊÇÄÜ·ñÒÔxΪºá×ø±ê£¬yΪ×Ý×ø±ê£¬°ÑÕâ¸öƫ΢·Ö»­³öÀ´ÄØ£¿
3Â¥2013-04-14 11:53:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

walk1997

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by hzsh2009 at 2013-04-14 11:53:37
ÄúºÃ£¬ÎÒÏëÖªµÀµÄÆäʵÊÇÄÜ·ñÒÔxΪºá×ø±ê£¬yΪ×Ý×ø±ê£¬°ÑÕâ¸öƫ΢·Ö»­³öÀ´ÄØ£¿...

ÄãÏë»­µÄ¾ÍÊÇyÊÇxµÄº¯Êýͼô£¿
×ܹ²¾Í1¸ö±äÁ¿ ÔõôÐèҪƫ΢·Ö
ÊÔÊÔ ParametricPlot
4Â¥2013-04-14 22:23:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 Ò¼·¡·¡ÒÚ 2026-04-04 11/550 2026-04-05 18:47 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁÏר˶322·Ö +9 ¹þ¹þ¹þºðºðºð¹þ 2026-04-04 9/450 2026-04-05 18:42 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +13 Ò»ÑùYWY 2026-04-03 14/700 2026-04-05 18:20 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 080200ѧ˶£¬»úе¹¤³Ìרҵ277·Ö£¬Çó´ø×ߣ¡ +7 Æ¿×ÓPZ 2026-03-31 7/350 2026-04-05 17:49 by liucky
[¿¼ÑÐ] 284Çóµ÷¼Á +7 Ðìͬѧ_001 2026-04-04 13/650 2026-04-05 17:19 by yulian1987
[¿¼ÑÐ] 270·ÖÇóµ÷¼Á +4 maxjxbsk 2026-04-01 4/200 2026-04-05 17:04 by yulian1987
[¿¼ÑÐ] µ÷¼ÁÇóÖú +10 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-02 13/650 2026-04-05 09:41 by sam3303
[¿¼ÑÐ] 316Çóµ÷¼Á +9 Ä«³½_Orion926 2026-04-04 9/450 2026-04-04 21:35 by lbsjt
[¿¼ÑÐ] 297Çóµ÷¼Á +11 ljy20040718£¡ 2026-04-03 13/650 2026-04-04 09:23 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì¿¼ÑÐ +10 Õü¾ÈÆ¤ÌØÍÐÏÈÉú 2026-04-02 10/500 2026-04-03 23:57 by userper
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸±±Àí325·ÖÇóµ÷¼Á +6 ÕÒµ÷¼Á£¬£¬ 2026-04-02 6/300 2026-04-03 22:20 by –¹Æ?
[¿¼ÑÐ] ѧ˶288µ÷¼Á!!! +3 СÍõxw123 2026-04-03 3/150 2026-04-03 21:20 by à£à£à£0119
[¿¼ÑÐ] 303Çóµ÷¼Á +10 DLkz1314. 2026-03-30 10/500 2026-04-03 18:03 by Jimmyandyou
[¿¼ÑÐ] 303Çóµ÷¼Á +3 һɫÇåÓð 2026-04-02 4/200 2026-04-03 10:22 by À¶ÔÆË¼Óê
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ»¯Ñ§Ó뻯¹¤Ñ§Ôº²ÄÁÏÓ뻯¹¤×¨Ë¶£¬360·ÖÇóµ÷¼Á +4 ²»Ô¸Í¸Â¶ÐÕÃûµÄË 2026-04-02 4/200 2026-04-03 09:29 by ÒÅÍüÏûʧµÄž™
[¿¼ÑÐ] 285Çóµ÷¼Á +14 AZMK 2026-04-02 14/700 2026-04-02 15:54 by ÉϾÅÌìÀ¿Ô£¨ºÃÔ
[¿¼ÑÐ] ѧ˶»¯Ñ§¹¤³ÌÓë¼¼Êõ£¬Ò»Ö¾Ô¸Öйúº£Ñó´óѧ320+Çóµ÷¼Á +8 ÅûÐÇºÓ 2026-04-02 8/400 2026-04-02 14:12 by oooqiao
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷µç085401ÊýÒ»Ó¢Ò»299Çóµ÷¼Á Áù¼¶521 +4 °®³Ô´óѼÀæ 2026-03-31 4/200 2026-03-31 11:51 by ²«»÷518
[¿¼ÑÐ] ¸£½¨Àí¹¤´óѧ²ÄÁÏѧԺÏȽøºÏ½ðÍŶÓÕÐÊÕ¿¼Ñе÷¼ÁѧÉú +3 ´ó»ª½ðÉ̶¼ 2026-03-30 4/200 2026-03-31 01:04 by ·½Ó¢¿¡602
[¿¼ÑÐ] µ÷¼Á +4 GK72 2026-03-30 4/200 2026-03-30 20:32 by dick_runner
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û