first derivative

The partial derivatives of second order to the innovation time and spillover effect for the expected net revenue function were obtained to establish the partial derivative of first order for the correlation between the optimal innovation time and spillover coefficient.

将该收益函数对创新时间和溢出效应系数变量求出二阶偏导数以建立最优创新时间和溢出效应系数之间的一阶导数关系。

Peakon solutions have discontinuous first derivative on the peaks and can be described by Dirac function.

Peakon解在波峰处一阶导数不连续,但可用Dirac 广义函数表示.

For the first time, derivative distribution of velocity in cell is presented and some new conclusions are obtained.

首次给出了电池内的速度导数分布，得出了一些新的结论。

Time-fractional order reaction-diffusion equation was considered, which obtained from the standard reaction-diffusion equation by replacing the first-order time derivative by a fractional derivation of order α( 0 < α < 1).

考虑时间分数阶反应-扩散方程，它是从标准的反应-扩散方程中用分数阶导数α（0

It is first discovered that guazatine can react with benzoin and its derivative has strong fluorescence.

首次发现双胍辛胺与安息香可发生反应,产物具极强的萤光活性.

Some first order time derivative terms are contained in the equations.

方程中含有强迫场的一阶时间导数项。

The Tesla Roadster Sport is the first derivative of Tesla's proprietary, patented powertrain.

特斯拉跑车的运动,是特斯拉的专利, 专利的一次微分动力系统.

The difference between an ordinary and a partial derivative was at first not explicitly recongized.

通常的导数与偏导数的区别在一开始并未被人们明确地认识.

Identification of spillage oil at sea with first derivative fluorescence spectra was discussed.

一阶导数荧光光谱鉴别海面溢油，其光谱特征用模糊数学方法作了分析；计算了各种油之间的模糊相似程度；

Monte Carlo technique has two obvious advantages, the first is very flexible and easy to implement and the second is estimated error and convergence rate and independence of dimension of solving problem, which can be able to solve multiple high-dimensional derivative securities pricing.

其中蒙特卡罗技术由于具有比较灵活且易于实现、估计误差及收敛速度与解决问题的维数独立等两个明显优势，从而能够较好地解决基于多标的变量的高维衍生证券的定价问题。