In this article, the problems in the BEM are introduced briefly after the principle and methods of the numerical methods are given. 本文在簡要地介紹目前存在的主要數值計算方法之後，簡要地介紹了邊界元法中存在的問題。
In order to investigate and develop numerical calculation method for Schr odinger equation, we apply the finite difference method to eigenvalue problems in quantum mechanics. 摘要為研究和發展薛定諤方程的數值計算方法，本文將有限差分法應用到量子力學求解薛定諤方程本徵值問題。
