divided difference

基本解释

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。
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。
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。

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
If the electorate remains as divided in 2004, the identity of his opponent could make all the difference.
ECONOMIST: Countdown to 2004 The