推 bjackal:我是直接看BC 令Y=siga cos(n pi y) 帶進去做 02/01 17:46
推 zeowo:標題錯誤 02/01 18:42
請問有一題
By use the method of separartion of vaviables, find solution u(x,y) of
the Poission equation u +u =cospiy
xx yy
in the semi-infinite strip 0<=x<無限大, 0<=y<=1 such that
u(0,y)=y u (x,0)=u (x,1)=0
y y
請問這如何解呢?
感謝^^
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