查询词典 derivative

On the basic that existing second-order sufficient condition for an isolated minimizer of order 2 for unconstrained multi-objective optimization, using the so called oriented distance from a point to a set, l-stable function and generalized second-order Peano direction derivative, some second-order sufficient conditions for an isolated minimizer of order 2 for constrained multiobjective optimization problems with l-stable functions are obtained.

在已有的无约束l-稳定函数多目标优化问题的二阶充分条件的基础上，借助定向距离函数和l-稳定函数的性质及引入的广义二阶Peano方向导数，进一步刻画了具有抽象约束的l-稳定函数的多目标优化问题的二阶孤立极小点的二阶充分条件。

The derivatives of the nonsmooth equations are computed to make the generalized derivative matrix nonsingular. Then the nonsmmoth damped Newton method is used to solve them.Analytic solutions of the KdV equation with variable coefficients: Shallow water wave problems belong to problems of free surface wave, and can be molded by the nonsmooth equations model given above in principle.

在前面建立的非光滑方程组数学模型和固定网格法基础上，利用广义导数的概念给出了求解渗流自由面的一种新方法-----非光滑阻尼牛顿法，该法是对非光滑方程组求导，适当的处理广义导数矩阵使其非奇异，利用非光滑牛顿法求解。

Key words:the three dimensional contact problem with friction;nonlinearcomplementary;nonsmooth equations;generalized derivative;nonsmoothmethod;convergence analysis

给出了三维摩擦接触问题的一个非光滑混合不动点模型及算法，这种算法无须求导数，没有引进任何额外变量，并且可视为一种三维摩擦接触问题的迭代法，利用非光滑分析和不动点理论对算法做了分析，给出了算法的不动点理论背景及算法的理论分析，为模型解的存在性及算法收敛性提供分析依据，最后给出了相应的数值算例。

Furthermor, we consider their nondiferentiable situation, we define nonsmooth univex functions for Lipschitz functions by using Clarke generalized directional derivative and study nonsmooth multiobjective fractional programming with the new convexity. We establish generalized Karush-Kuhn-Tucker necessary and sufficient optimality condition and prove weak, strong and strict converse duality theorems for nonsmooth multiobjective fractional programming problems containing univex functions.

而且，本文利用Clarke广义方向导数针对Lipschitz函数在原来一致凸函数概念的基础上定义了不可微的一致凸函数，并利用这类新凸性，我们研究了非光滑多目标分式规划，获得了广义Karush-Kuhn-Tucher最优性条件；弱对偶定理、强对偶定理和严格逆对偶定理。

The generalized Law of Mean with unilateral derivative and its asymptotic features of the "centred dot" are studied.

本文研究了单侧导数的广义中值定理及其"中间点"的渐近性质，进而获得了更广泛的结果。

The geometric meaning of derivative.

导数的几何意义。

In spite of foreign currency option is a good evade risk tool, foreign currency option as a financial derivative itself gestate huge risk because of foreign currency produced as evading risk demand.

尽管外汇期权是一个非常好的避险工具，但是外汇期权组合作为规避风险需要而产生的金融衍生工具本身就孕育着极大的风险，因此对金融衍生工具的核心之一—外汇期权的风险进行研究是非常必要和适时的。

The probe C-1 is composed of a epoxyalkyl glucoside derivative and an azido group.

另外，探针C-1的设计包括了epoxyalkyl glucosides衍生物和叠氮基团。

And one new glyceride derivative of benzolic acid (1) was isolated from R. carthamodis.

从鹿草当中得到1个新的苯甲酸甘油酯衍生物（1）。

In contrast, TLR2 triggering has been demonstrated to play a role in the induction ofcytokines by glycolipid antigens of Trypanosoma cruzi (Campos et al., 2001) and by purified protein derivative of Mycobacterium tuberculosis

与此相反， TLR2触发已经证明中发挥作用的诱导细胞因子的糖脂抗原的克氏锥虫（坎波斯等。， 2001年）和纯蛋白衍生物的结核分枝杆菌

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。