Similar method may be applied in other types of partial differential equations.
类似的方法还可以用在其它类型的偏微分方程数值解中。
It is pointed out that the WKB method can be applied to a wider kind of partial differential equations. The method is applied to linearized shallow water wave equations.
本文首先指出WK B方法可适用于更广泛的一类方程，并把它应用于线性化浅水波方程。
It doesn't need the variational principle and can be applied to solve non-positive or positive definite partial differential equations with arbitrary variable coefficient.
该方法不用一般的变分原理，可适用任意变系数正定和非正定偏微分方程。利用这一方法得到一个新的八节点四边形平面应力单元。
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