本文对高度异常及垂线偏差的截断误差进行了估计，导出了高阶截断系数的近似表达式。
In this paper, the truncation errors of the height anomaly and vertical deflection are estimated, and the approximate expressions of the higher order truncation coefficients are derived.
针对一维扩散方程，给出一种新型差分格式的待定系数法，并以两种新型差分格式为例进行稳定性和截断误差分析。
Taking one-dimensional diffusing equation as the object of study, a method of undetermined coefficients was given. Then gave two examples and analyzed their stability and truncation error.
采用泰勒展式系数匹配的方法构造出了非等距网格系统的紧致差分格式，并分析了其截断误差。
Compact finite difference scheme (CFDS) based on non-uniform meshes is constructed by matching the Taylor series coefficient expansion, and its truncation errors are analyzed.
采用泰勒展式系数匹配的方法构造基于非等距网格的紧致差分格式并得出了它的截断误差。
Compact finite difference scheme (CFDS) on non-uniform meshes and their truncation errors are constructed by matching the Taylor series coefficient expansion.
然后，根据截断误差与相关系数的关系，导出了具有最大稳定域最小截断误差的实时RK4公式。
Then, at the basis of the relation of truncation error and related coefficients, a real-time RK4 formula with maximum stability region and minimum truncation error is deduced.
然后，根据截断误差与相关系数的关系，导出了具有最大稳定域最小截断误差的实时RK4公式。
Then, at the basis of the relation of truncation error and related coefficients, a real-time RK4 formula with maximum stability region and minimum truncation error is deduced.
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