²é¿´: 655  |  »Ø¸´: 2

huangshuang1

ľ³æ (ÖøÃûдÊÖ)

[ÇóÖú] Matlab ode45Çó½â·ÇÏßÐÔ·½³Ì ÒÑÓÐ1È˲ÎÓë

function f=mmm(t,y)
f=zeros(4,1);
f(1)=y(2);
f(2)=(50*pi-y(2))/((50*pi-y(2))^2+595.8566)*1.858*10^6-1.52*10^5*(0.0625*y(1)-0.149*y(3))-1.43*10^7*(0.0625*y(1)-0.149*y(3))^2-2.86*10^6*(0.0625*y(1)-0.149*y(3))^3-32.36*(0.0625*y(2)-0.149*y(4));
f(3)=y(4);
f(4)=-86.994-2.437*10^4*(0.149*y(3)-0.0625*y(1))-2.29*10^6*(0.149*y(3)-0.0625*y(1))^2-4.58*10^5*(0.149*y(3)-0.0625*y(1))^3-5.185*(0.149*y(4)-0.0625*y(2));

y0=[0,50*pi,0,50*pi];
[t,y]=ode45(@mmm,[0:0.002:20],y0);
plot(t,y(:,2),t,y(:,4),':')


ÓÃODE45Ò»Ö±´¦ÓÚbusy״̬£¬È»ºóÎÒ»»³ÉODE23S£¬¿ÉÊǽá¹ûÕñµ´µÃºÜÀ÷º¦£¬²»ÊÕÁ²¡£
ÇëÎʸ÷룬Õâ¸ö¸ÃÔõô½â£¿£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

huangshuang1

ľ³æ (ÖøÃûдÊÖ)

ÇëÎÊ£¬ÓÐÈ˰ïÎÒ¿´¿´Ã´£¿£¿ÊµÔÚÊÇÕÒ²»µ½Ô­ÒòÁË
2Â¥2015-01-29 14:11:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

CelestialCYJ

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
huangshuang1: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú, ÎÒÊÔÁË£¬»¹ÊÇÕñµ´µÄÀ÷º¦£¬²»ÊÕÁ² 2015-03-04 21:10:57
ÄãÕðµ´µÃÀ÷º¦£¬°Ñode45¸Ä³Éode15s
3Â¥2015-01-31 20:49:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ huangshuang1 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 314Çóµ÷¼Á +8 ÎÞи¿É»÷µÄ¾ÞÈË 2026-03-12 8/400 2026-03-18 14:50 by haxia
[¿¼ÑÐ] 281Çóµ÷¼Á£¨0805£© +5 ÑÌÏ«Ò亣 2026-03-16 13/650 2026-03-18 14:30 by stone_128
[¿¼ÑÐ] ²ÄÁÏר˶274Ò»Ö¾Ô¸ÉÂÎ÷ʦ·¶´óѧÇóµ÷¼Á +6 Ñ¦ÔÆÅô 2026-03-13 6/300 2026-03-18 14:14 by ÍÑÓ±¶ø³ö
[¿¼ÑÐ] 070300»¯Ñ§319Çóµ÷¼Á +6 ½õÀð0909 2026-03-17 6/300 2026-03-18 13:22 by Iveryant
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ»¯Ñ§¹¤ÒÕרҵ£¨081702£©315·ÖÇóµ÷¼Á +9 yangfz 2026-03-17 9/450 2026-03-18 12:38 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 299Çóµ÷¼Á +5 ¡÷С͸Ã÷* 2026-03-17 5/250 2026-03-18 11:49 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 0703»¯Ñ§336·ÖÇóµ÷¼Á +6 zbzihdhd 2026-03-15 7/350 2026-03-18 09:53 by zhukairuo
[¿¼ÑÐ] 334Çóµ÷¼Á +3 Ö¾´æ¸ßÔ¶ÒâÔÚ»úÐ 2026-03-16 3/150 2026-03-18 08:34 by lm4875102
[¿¼ÑÐ] 302Çóµ÷¼Á +4 С¼Öͬѧ123 2026-03-15 8/400 2026-03-17 10:33 by С¼Öͬѧ123
[¿¼ÑÐ] Ò»Ö¾Ô¸£¬¸£ÖÝ´óѧ²ÄÁÏר˶339·ÖÇóµ÷¼Á +3 ľ×ÓmomoÇàÕù 2026-03-15 3/150 2026-03-17 07:52 by laoshidan
[¿¼ÑÐ] 304Çóµ÷¼Á +5 ËØÄê¼ÀÓï 2026-03-15 5/250 2026-03-16 17:00 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] 0703Ò»Ö¾Ô¸211 285·ÖÇóµ÷¼Á +5 ly3471z 2026-03-13 5/250 2026-03-16 16:16 by ŶŶ123
[¿¼ÑÐ] 277²ÄÁÏ¿ÆÑ§Ó빤³Ì080500Çóµ÷¼Á +3 ×ÔÓɼå±ý¹û×Ó 2026-03-16 3/150 2026-03-16 14:10 by ÔËÆøyunqi
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +4 z1z2z3879 2026-03-14 5/250 2026-03-14 16:30 by JourneyLucky
[¿¼ÑÐ] 297Çóµ÷¼Á +4 ѧº£Æ¯²´ 2026-03-13 4/200 2026-03-14 11:51 by ÈÈÇéɳĮ
[¿¼ÑÐ] ²ÄÁÏ080500µ÷¼ÁÇóÊÕÁô +3 Ò»¿Åmeteor 2026-03-13 3/150 2026-03-14 10:54 by peike
[¿¼ÑÐ] ѧ˶285Çóµ÷¼Á +13 Wisjxn 2026-03-12 46/2300 2026-03-14 10:33 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»´ó£¬²ÄÁÏר˶317Çóµ÷¼Á +5 lx8568 2026-03-11 5/250 2026-03-13 21:43 by peike
[¿¼ÑÐ] Çóµ÷¼Á +5 Ò»¶¨ÓÐѧÉÏ- 2026-03-12 5/250 2026-03-13 18:31 by ms629
[¿¼ÑÐ] 290Çóµ÷¼Á +3 ADT 2026-03-13 3/150 2026-03-13 10:19 by peike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û