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7Â¥: Originally posted by hqulhh at 2012-08-03 16:23:55
ÎÒÕâ¸ö¼ÆËã¹ý³ÌÖУ¬µ¥Î»ÒªÔõôͳһ£¬ÔÚMATLABÖУ¿Ð»À²¡£...

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showmethemoney
8Â¥2012-08-03 17:02:49
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hqulhh: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú 2012-08-02 16:54:13
jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2012-08-02 18:25:43
¿´Õâ¸ö·½³Ì¾Í²î²»¶à£¬ÆäÖÐy(1)¶ÔÓ¦ÄãµÄL£¬y(2)¶ÔÓ¦G
CODE:
[t,l]=ode45(@fun,[0 1],ones(2,1))

function dy=fun(t,y)
dy=zeros(2,1);
dy(1)=y(1)*t*y(2)^2;
dy(2)=5/y(2);
end

showmethemoney
2Â¥2012-08-02 16:29:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2012-08-02 18:25:33
ÆäËûµÄ²ÎÊý¶¼ÓУ¬ËùÒÔ·½³ÌÖÐËùÓÐL¶¼ÓÃy(1), dL/dtÓÃdy(1), G¶¼ÓÃy(2),dG/dtÓÃdy(2)´úÌæ¾Í¿ÉÒÔ¡£
showmethemoney
3Â¥2012-08-02 16:32:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hqulhh

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ÒýÓûØÌû:
3Â¥: Originally posted by csgt0 at 2012-08-02 16:32:27
ÆäËûµÄ²ÎÊý¶¼ÓУ¬ËùÒÔ·½³ÌÖÐËùÓÐL¶¼ÓÃy(1), dL/dtÓÃdy(1), G¶¼ÓÃy(2),dG/dtÓÃdy(2)´úÌæ¾Í¿ÉÒÔ¡£

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