1) higher-order partial derivative
高阶偏导数
2) mixed partial derivative of higher order
高阶混合偏导数
4) first-order partial derivative
一阶偏导数
1.
The method of the undetermined coefficient dealing with a first-order partial derivative is defined and presented.
介绍了待定系数法的定义及其基本思想,给出了该方法在处理热力学一阶偏导数中的应用及热力学关系式的证明和推导。
5) nth-order partial derivative
ｎ阶偏导数
6) higher order derivatives
高阶导数
1.
Using the DitzianTotik moduli of smothness,the authors give the characterization of higher order derivatives for the generalized Baskakov operators.
讨论广义Baskakov算子借助Ditian Totik光滑模给出的高阶导数的特征刻画,统一了点态和整体的2种结果。
2.
A varying limit of integration and several higher order derivatives are appeared in these inequalities.
讨论具变动积分限并含有高阶导数的积分微分不等式，适当选取变积分限的值，可由它们导出包含许多已知结果的新Ｏｐｉａｌ型不等
存在且有限，就称此极限为二元函数
，或
（x，y），类似地有