[计] 算子矩阵

operator matrix的用法和样例：

例句

The calculating error formulae with simple matrix form can be obtained by properly using derivative operator matrices and related formulae mentioned in this paper.灵活应用该文导出的微分算子矩阵和有关公式，可以得到简洁的矩阵形式的误差计算公式。

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