divided difference

基本解釋

Expansion of a divided difference is a very important analytical tool.
差商展開是個(gè)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(diǎn)互異或結(jié)點(diǎn)重合時(shí)，將函數(shù)差商與其導(dǎo)數(shù)之間的關(guān)系式推廣為關(guān)于兩個(gè)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(xué)計(jì)算及其應(yīng)用常常需要多變量函數(shù)的有關(guān)偏導(dǎo)數(shù)問(wèn)題的計(jì)算，通常使用的計(jì)算方法是符號(hào)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(shí)間的差值,就是加速度
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選

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