举例 例13.1L d 所以,当u和都满足边界条件 y(a)=y(b) d d 时,,的伴算符是Eigenproblem of Sturm-Liouville Eqn Method of Separation of Variables . . . Eigenproblem of Self-Adjiont Operators Eigenproblem of Sturm-Liouville Eqn Degeneration in Eigenproblem of S-L Eqn Þ~ ~13.1 L = d dx Z b a v ∗ du dx dx = v ∗u b a − Z b a dv ∗ dx udx ¤±§uÚvÑ÷v>.^ y(a) = y(b) § d dx δ− d dx C. S. Wu 1nù ©lCþ{o(