And in the process of producing the concepts of the total derivative and the partial derivative are confused.

而且在整个推导过程中，对于全导数和偏导数的概念没有分清楚。

The canonic OC expansion of the first-order Boolean partial derivative of the OC type logic function was discussed.

讨论了OC型逻辑函数一阶布尔偏导数的规范OC展开式。

The criterion extreme value of binary function for first partial derivative is given by means…

以中值定理为工具，给出了利用一阶偏导数判定二元函数极值的方法。

The numerical partial derivative is introduced to simplify the GPS network adjustment model.

采用数值微商求偏导数的方法,从而使GPS网平差的计算模型非常简洁.

We also give the matrix forms of the interface partial derivative with multiple complex interfaces.

给出了任意多个复杂界面情况下,反演时所需的走时对界面偏导数系数矩阵.

In the first iteration, a homogeneous earth model is used as the starting model. Its apparent resistivity partial derivative values can be calculated analytically.

反演过程不需要提供初始模型，在首次迭代时使用一均匀介质地下模型作为初始模型，该模型的视电阻率偏导数值可以用解析法得到。

We will replace the partial derivative by an ordinary derivative.

我们可用普通微商代替偏微商。