u
u'' + λ(e - 1) = 0 , x = (0,1)
2
u(0) = u(1) = 0 , u(x) = εu (x) + ε u (x) + (high order terms of ε)
0 1
ε = λ - λ0
這種非線性的要怎麼處理呢?
有想過級數解,可是拆起來又不知道如何判別
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有請高手解惑了><...
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