2.y^3tdy+1/2y^4dt=0 ,1/y^2
3.4tdy+(16y-t^2)dt=0 ,t^3
4.(t^2)dy+3y+dt=0 ,t
5.(y-t)dy-dt=0 ,e^y
幫忙解一下這幾題的四個步驟
更新1:
^後面是次方
求幾題微分方程 四步驟(積分因子)
2009-07-14 12:57 am
1.(7y+4t^2)dy+4tydt=0 ,y
2.y^3tdy+1/2y^4dt=0 ,1/y^2
3.4tdy+(16y-t^2)dt=0 ,t^3
4.(t^2)dy+3y+dt=0 ,t
5.(y-t)dy-dt=0 ,e^y
幫忙解一下這幾題的四個步驟
2.y^3tdy+1/2y^4dt=0 ,1/y^2
3.4tdy+(16y-t^2)dt=0 ,t^3
4.(t^2)dy+3y+dt=0 ,t
5.(y-t)dy-dt=0 ,e^y
幫忙解一下這幾題的四個步驟
回答 (1)
2009-07-14 1:36 am
✔ 最佳答案
有些微分方程根本用不著積分因子去解題。圖片參考：http://i601.photobucket.com/albums/tt95/physicsworld9999/physicsworld01Jul131734.jpg?t=1247477776
圖片參考：http://i601.photobucket.com/albums/tt95/physicsworld9999/physicsworld02Jul131734.jpg?t=1247477789
圖片參考：http://i601.photobucket.com/albums/tt95/physicsworld9999/physicsworld03Jul131735.jpg?t=1247477797
參考: Physics king
收錄日期: 2021-04-19 14:55:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090713000015KK08002