Expansion of a divided difference is a very important analytical tool.

差商展开是个非常重要的解析工具。

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Thie relationship between divided difference and derivative of a function can be generalized for two functions which the knots are distinct or the knots are coincident.

在结点互异或结点重合时，将函数差商与其导数之间的关系式推广为关于两个函数的情形。

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Evaluation relevant to the partial derivatives of the multivariable functions is often done in scientific computation, usually by means of the symbolic differentiation or the divided difference.

科学计算及其应用常常需要多变量函数的有关偏导数问题的计算，通常使用的计算方法是符号微分或差分近似。

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Their difference divided by the difference in times is going to be the acceleration.

它们的差值再除以时间的差值,就是加速度

耶鲁公开课 - 基础物理课程节选

Academics are divided about whether such schemes have made much difference in the past.

ECONOMIST: The economy

And Wednesday the junior Massachusetts senator made repeated references to unifying a divided nation that produced only a two percentage point difference in the popular vote for the two presidential candidates.

CNN: Regret, no remorse in Kerry's call for unity

If the electorate remains as divided in 2004, the identity of his opponent could make all the difference.

ECONOMIST: Countdown to 2004 | The