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本文用图论方法和差分方程法分别处理了包含次相邻作用的 Hückel 矩阵的本征值问题.两种方法得到一致的封闭形式的近似解.作为应用,讨论了次相邻作用对链多烯烃的影响.
In this paper, the eigenvalue problems of Hückel matrices with sub-adjacent functions are dealt with graph theory and difference equation respectively, and the two closed-form approximate solutions are obtained by the two methods. As an application, Effect of olefins.