[理工] [工數]-ODE
看板Grad-ProbAsk作者trainausidd (呆呆a蚊子)時間14年前 (2009/10/15 00:25)推噓14(14推 0噓 10→)留言24則, 5人參與討論串44/280 (看更多)
想請問一下 以下兩題怎麼解
越多方法越好 Thx~
(1) xy" + y' + 0.25y = 0
(2) xy" - y' + xy =0
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