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) on non-uniform meshes and their truncation errors are constructed by matching the Taylor series coefficient expansion.
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。
Hessian matrices are used in large-scale optimization problems within Newton-type methods because they are the coefficient of the quadratic term of a local Taylor expansion of a function.
海森矩阵被应用于牛顿法解决的大规模优化问题。混合偏导数和海森矩阵的对称性海森矩阵的混合偏导数是海森矩阵非主对角线上的元素。
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