This paper establishes a fluid dynamic equation for a reciprocating pump-piping hydraulic system with the transfer matrix method and deduces all the transfer matrixes of the subsystems.

本文用传递矩阵的方法建立了描述往复泵—管路液力系统流体动力特性方程，井导出了各子系统的传递矩阵。

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The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the unique symmetric positive semidefinite matrix.

用这个方法修正的刚度矩阵不仅满足特征方程，而且是唯一的对称半正定矩阵。

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Based on the original precise integration method, the problem that singular matrix appears in non-homogeneous equation was discussed.

在原有精细积分法的基础上，对非齐次方程出现奇异矩阵的问题进行探讨。

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