±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 519  |  »Ø¸´: 5
¡¾½±Àø¡¿ ±¾Ìû±»ÆÀ¼Û4´Î£¬×÷Õßzhaoyuan0426Ôö¼Ó½ð±Ò 3.2 ¸ö

[×ÊÔ´] ˫켤¹âÆ÷

˫켤¹âÆ÷

ÀûÓÃMatlabÄ£Äâ˫켤¹âÆ÷µÄ˫ģÕñµ´£¬²¢ÇÒ·ÖÎöÁ½¸öÄ£µÄ¾ºÕùÓëÎȶ¨ÐÔ¡£


ÏÂÃæÊǿα¾½Ì²Ä£º




ÀûÓÃMatlabÄ£ÄâÈçÏ£º
º¯Êý³ÌÐò£º
function ydot=fun(t,y,flag,a,b,c)
ydot=[y(1)*(a-b*y(1)-c*y(2));
%dI1/dt
y(2)*(a-b*y(2)-c*y(1))];
%dI2/dt

Ö÷³ÌÐò£º

a=1; b=1; c=0.5;
axis([0,2,0,2]);
hold on
x0=[0.2,0.4,0.6,0.8,1,1.2,1.4,1.6,1.8,2];
for i=1:10
[t,y]=ode45('fun',[0:0.01:100],[x0(i),2],[ ],a,b,c);
plot(y(:,1),y(:,2),'b');axis square
end
y0=[0.2,0.4,0.6,0.8,1,1.2,1.4,1.6,1.8,2];
for i=1:10
[t,y]=ode45('fun',[0:0.01:100],[2,y0(i)],[ ],a,b,c);
plot(y(:,1),y(:,2),'b');axis square
end


a=1; b=1; c=0.5;
axis([0,2,0,2]);
hold on
x0=[0.2,0.4,0.6,0.8,1,1.2,1.4,1.6,1.8,2];
for i=1:10
[t,y]=ode45('fun',[0:0.01:100],[x0(i),2],[ ],a,b,c);
plot(y(:,1),y(:,2),'b');axis square
end
y0=[0.2,0.4,0.6,0.8,1,1.2,1.4,1.6,1.8,2];
for i=1:10
[t,y]=ode45('fun',[0:0.01:100],[2,y0(i)],[ ],a,b,c);
plot(y(:,1),y(:,2),'b');axis square
end
x0=[0.02,0.04,0.06,0.08,0.1,0.12,0.14,0.16,0.18,0.2];
for i=1:10
[t,y]=ode45('fun',[0:0.01:100],[x0(i),0.2],[ ],a,b,c);
plot(y(:,1),y(:,2),'b');axis square
end
y0=[0.02,0.04,0.06,0.08,0.1,0.12,0.14,0.16,0.18,0.2];
for i=1:10
[t,y]=ode45('fun',[0:0.01:100],[0.2,y0(i)],[ ],a,b,c);
plot(y(:,1),y(:,2),'b');axis square
end




[ Last edited by zhaoyuan0426 on 2012-4-14 at 22:27 ]
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : ×÷Òµ³ÌÐò.doc
  • 2012-04-14 19:57:13, 33.5 K
  • ¸½¼þ 2 : ×÷Òµ»æÍ¼.rar
  • 2012-04-14 19:57:13, 941.35 K
  • ¸½¼þ 3 : ´òÓ¡.doc
  • 2012-04-14 19:57:14, 171 K

» ²ÂÄãϲ»¶

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

¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

ѧЩ°ï¶¥~
2Â¥2012-04-14 19:58:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

luomia

ľ³æ (ÖøÃûдÊÖ)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

Ïȶ¥Ò»¸ö
3Â¥2012-07-02 11:22:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hustdragon

ľ³æ (СÓÐÃûÆø)


¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶,ÓÅÐãÍÆ¼ö

×ÜÓÐһЩÈËÔÚÇ°Ãæ¿ªÂ·¡£Ä¬Ä¬¸úËæ£¡Ð»Ð»·ÖÏí£¡
6Â¥2014-09-02 22:30:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
wxy8812604Â¥
2012-10-11 22:11   »Ø¸´  
ÎåÐÇºÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
wxy8812605Â¥
2012-10-11 22:12   »Ø¸´  
¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ zhaoyuan0426 µÄÖ÷Ìâ¸üÐÂ
¡î ÎÞÐǼ¶ ¡ï Ò»ÐǼ¶ ¡ï¡ï¡ï ÈýÐǼ¶ ¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0856²ÄÁÏ»¯¹¤µ÷¼Á ×Ü·Ö330 +4 zhubinhao 2026-03-27 4/200 2026-03-27 09:38 by caszguilin
[¿¼ÑÐ] 292Çóµ÷¼Á +11 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 12/600 2026-03-27 08:45 by Delta2012
[¿¼ÑÐ] µ÷¼ÁÇóÊÕÁô +7 ¹ûÈ»ÓÐÎÒ 2026-03-26 7/350 2026-03-27 00:26 by wxiongid
[¿¼ÑÐ] 336²ÄÁÏÇóµ÷¼Á +7 ³ÂäÞÓ¨ 2026-03-26 9/450 2026-03-27 00:20 by wxiongid
[¿¼ÑÐ] Çóµ÷¼Á +5 «lty 2026-03-25 6/300 2026-03-26 20:49 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 271Çóµ÷¼Á +6 ÉúÈçÏÄ»¨¡­ 2026-03-22 6/300 2026-03-26 16:48 by ÕÅ¿­Ê®°ËºÅ
[¿¼ÑÐ] ×ÊÔ´Óë»·¾³ µ÷¼ÁÉêÇë(333·Ö) +9 holy J 2026-03-21 9/450 2026-03-26 15:47 by 161765490
[¿¼ÑÐ] ×Ü·Ö293Çóµ÷¼Á +6 ¼ÓÒ»Ò»¾Å 2026-03-25 8/400 2026-03-26 13:30 by yujianx
[¿¼ÑÐ] »·¾³×¨Ë¶324·ÖÇóµ÷¼ÁÍÆ¼ö +5 ÐùСÄþ¡ª¡ª 2026-03-26 5/250 2026-03-26 12:05 by i_cooler
[¿¼ÑÐ] Çóµ÷¼Á +3 QiMing7 2026-03-25 3/150 2026-03-25 21:13 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] 0854È˹¤ÖÇÄÜ·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-24 4/200 2026-03-25 13:29 by 2177681040
[¿¼ÑÐ] Çóµ÷¼Á +3 ÀîÀî²»·þÊä 2026-03-25 3/150 2026-03-25 13:03 by cmz0325
[¿¼ÑÐ] 318Çóµ÷¼Á +3 plumÀî×Ó 2026-03-23 3/150 2026-03-25 09:42 by ÎíÉ¢ºóÏàÓölc
[¿¼ÑÐ] 300·Ö£¬²ÄÁÏ£¬Çóµ÷¼Á£¬Ó¢Ò»Êý¶þ +5 ³¬ÔÞµÄ 2026-03-24 5/250 2026-03-24 21:07 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸Î人Àí¹¤´óѧ²ÄÁϹ¤³Ì£¨085601£© +5 WW.' 2026-03-23 7/350 2026-03-24 14:50 by sprinining
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ 070300 ѧ˶ 336·Ö Çóµ÷¼Á +7 vvÃÔ 2026-03-22 7/350 2026-03-23 23:44 by Txy@872106
[¿¼ÑÐ] ½ÓÊÕ2026˶ʿµ÷¼Á(ѧ˶+ר˶) +4 allen-yin 2026-03-23 6/300 2026-03-23 15:04 by Íô£¡£¿£¡
[¿¼ÑÐ] 303Çóµ÷¼Á +5 °²ÒäÁé 2026-03-22 6/300 2026-03-22 12:46 by ËØÑÕÇã³Ç1988
[¿¼ÑÐ] AÇøÏß²ÄÁÏѧµ÷¼Á +5 ÖÜÖÜÎÞ¼« 2026-03-20 5/250 2026-03-20 21:33 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏÀí¹¤085701»·¾³302Çóµ÷¼ÁԺУ +3 ¿ûè÷ÎÀ¶Ó 2026-03-20 3/150 2026-03-20 19:28 by zhukairuo
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û