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2Â¥: Originally posted by feixiaolin at 2014-12-17 17:09:49
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laplus ±ä»»£º s* Phi - Phi(0) +C^(-1)*K*Phi=0
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Ò¦Äàöú: ½ð±Ò+6, ¡ï¡ï¡ïºÜÓаïÖú 2014-12-18 18:18:16
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6Â¥: Originally posted by MSPX at 2014-12-18 14:21:18
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5Â¥: Originally posted by pippi6 at 2014-12-18 07:42:50
ÐÎʽ½â²»ÄÑ  phi(t)=exp(-C^(-1) K t)  phi(t0) ,  Èç¹ûCºÍKÊdz£ÏµÊý¾ØÕó£¬ÇÒC¿ÉÄæ¡£ÕâÀïphi(t0)ÊdzõÖµ¡£¾ßÌåÊýֵʵÏÖÒ²²»»áÌ«ÄÑ¡£

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liuqiang68

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9Â¥: Originally posted by liuqiang68 at 2014-12-18 19:21:11
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