divided difference

基本解釋

Expansion of a divided difference is a very important analytical tool.
差商展開是個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.
在結(jié)點互異或結(jié)點重郃時，將函數(shù)差商與其導數(shù)之間的關系式推廣爲關於兩個函數(shù)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.
科學計算及其應用常常需要多變量函數(shù)的有關偏導數(shù)問題的計算，通常使用的計算方法是符號微分或差分近似。

Their difference divided by the difference in times is going to be the acceleration.
它們的差值再除以時間的差值,就是加速度
耶魯公開課 - 基礎物理課程節(jié)選

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