[理工] [工數]-一階ode
看板Grad-ProbAsk作者ecko1023 (NEIGHBORHOOD)時間15年前 (2009/07/21 22:41)推噓2(2推 0噓 11→)留言13則, 4人參與討論串1/6 (看更多)
1.
1
y'+ ---y = y^2
2
這題我會解 可是算書來跟解答不一樣..
有大大幫忙一下嗎@@
答案是
1 1
y= --- -----------
2 1-ce^1/2x
2.
dy
cosx(e^2y-y) -----= e^ysin2x
dx
答案是
e^y+e^-y(y+1)=-2cosx+4
我想看步驟
我也是解出來 答案不一樣
都驗算過好幾次...
感恩感恩!!
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