The solution of A-harmonic equation and the differential forms have many affinities.
调和方程的解与微分形式之间有着密切的联系。
By using the harmonic equation of the tension and shape of stay cable, a state revision method is presented for the nonlinear analysis of stay cable in this paper.
为此利用斜拉索外形与索力的协调方程，提出了一种适合斜拉索非线性分析的状态修正法，并由算例证明了此法的正确性、实用。
The Schrdinger equation is given directly from the classical Hamiltonian function of a damping harmonic oscillator, and its solution is obtained by the separation of variables.
写出阻尼谐振子的哈密顿函数，对其直接量子化，用分离变量法得出了薛定谔方程的解。
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