(derivative of x )=y+z+e^t
(derivative of y )=x+z
(derivative of z )=x+y
更新1:
this is the real question : http://us.f6.yahoofs.com/hkblog/00OtNJ__DOT__FER4Sqz42TBve3qZ__1/blog/20090423012954474.jpg.jpg?ib_____DYPyA92hr
this is the real question : http://us.f6.yahoofs.com/hkblog/00OtNJ__DOT__FER4Sqz42TBve3qZ__1/blog/20090423012954474.jpg.jpg?ib_____DYPyA92hr
收錄日期: 2021-04-19 14:10:26
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090423000051KK00530