Re: [理工] [工數]-一題ODE
看板Grad-ProbAsk作者ntust661 (Auf Wiedersehen!)時間14年前 (2010/02/26 21:28)推噓2(2推 0噓 15→)留言17則, 7人參與討論串9/11 (看更多)
※ 引述《iyenn (曉風)》之銘言:
: ※ 引述《maikxz (超級痛痛人)》之銘言:
: : 98台大應數C
: : 2ty"+y'+2y=0
2
t y'' + t/2 y' + t y = 0
Bessel function
a = 1/4
n = 0
b = 1/2
λ = 1
1/4
y = x (c1 J ( 2√x ) + c2 Y ( 2√x ) )
1/2 1/2
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