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2Â¥: Originally posted by dbb627 at 2011-08-24 09:26:26:
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c931(½ð±Ò+5): ¶àл¡«¡« 2011-08-24 17:57:47
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c931(½ð±Ò+5): ¶àл¡«¡«£¬ÎÒÓõÄmathematica£¬ÐÂÊÖ ²»ÖªµÀÓÃÄĸöÃüÁî¡« 2011-08-25 16:13:19
ºÃ°É£¬ÎҾ;ٸöÀý×ÓºÃÁËa=0.2 b=0.3 d/c=0.8  x£¨0£©=1.2 y£¨0£©=1.6
>> fun=@(t,x)[(0.2*(x(1)-x(2))+0.3)/x(1);0.8*(x(1)-x(2))];
[t,X]=ode45(fun,[0 20],[1.2 1.6]);
plot(t,X(:,1),t,X(:,2));
legend({'t-x','t-y'})
5Â¥2011-08-24 19:07:13
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[ Last edited by akakcolin on 2011-8-24 at 18:56 ]
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