calculus

👨🏻‍🏫 學術台數學

[匿名]

2009-04-23 8:39 pm

Find the general solution of the following.
(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

回答 (5)

paul2357paul

2009-05-03 12:22 pm

✔ 最佳答案

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde1.jpg

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde2.jpg

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde3.jpg

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde4.jpg

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde5.jpg

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde6.jpg

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde7.jpg

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde8.jpg

圖片參考：http://i476.photobucket.com/albums/rr124/paul2357paul/yahooknowledge/systemofde/systemofde9.jpg

參考資料：
applied maths

👍 0 👎 0

用戶105629

2009-05-02 8:54 am

��
��
1
3
�� ,
��
1
2
��
1
3
�� ,
��
1
2
��
1
3
�� .

參考: myself

👍 0 👎 0

Ivan

2009-04-30 6:48 pm

no, in differential equation, x y z are functions of t
so e^t is a function in t

👍 0 👎 0

[匿名]

2009-04-24 2:00 pm

i think e^t is constant

👍 0 👎 0

真●武●者！！！

2009-04-23 9:17 pm

Are 'e' and 't' constants?

👍 0 👎 0

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

檢視 Wayback Machine 備份