問題詳情

【題組】

二十、Consider the following boundary value problem for the bivariate function u(x,t) defined
for 0 ≤x≤π and t≥0


Given the end-point and initial conditions

=0 and u(x,0)=x(π-x)
which of the following statements is/are true for the solution u(x,t) when it is expressed
 as


for some constants



(A)


(B) a1=-1.
(C) p2 =-31.
(D) b1 =-1
(E) None of the above are true.

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增