查询词典 concave function

In reality, the unit cost decreases as the amount transported increases, resulting in a concave cost function.

在实务上，货物运送的单位成本常随数量的增加而递减，成本函数曲线为凹形。

The experimental results of power output as a function of the concave mirror transmission and the mirror-waveguide distance basically agree with the corresponding theory.

通过实验研究了输出镜透过率及耦合距离对激光器输出功率的影响，实验结果与理论基本相符。

For the case of two products, we show that the objective function is concave and submodular, and obtain the optimal condition for the order quantities.

接着，我们从最优采购量、销售商的最优期望收益值及对顾客的服务水平等方面对销售商采用替代策略和不采用替代策略的两种情况进行比较，证明了销售商采用替代策略可以提高其经济效益及对顾客的服务水平。

It was shown that when the manufacturer considers retailer effort in establishing a quantity discount policy and it pre-commits its wholesale prices to a set of heterogeneous retailers, an optimum solution can be determined under concave profit function conditions.

结果表明，当制造商考虑零售商的努力，想建立一个数量折扣政策，和预先承诺一组不同零售商的批发价格时，在具凹性的利润函数条件下，能产生一个最佳的解决方案。

It can be used for solving multi-objective problems with a concave ob-iective and cost function s and a convex feasible region, The program of the algorithm is writ-ten in ANSIC language and has been successfully run on IBM P/IAT-286 and 386 machines.

系统地讨论了非线性多目标最优化算法─—广义ZW法，它是Zionts－wallenius法的改进和推广，使得ZW方法能够有效地解决具有凹目标与价值函数，以及凸可行域的非线性多目标最优化问题。

Compacted with typical spectrometers as Ebert-Fastie spectrometer, Czerny-Turner spectrometer and Aberration corrected concave holographic grating spectrometer, we are going to do detail research especially on their working theory, structural parameters and function, such as the source of stray light, the analysis of signal to noise ratio, the placing of detector, aberration's theory, aberration's caculation and it's elimination.

结合比较典型的Ebert-Fastie型光谱仪、Czerny-Turner型光谱仪及凹面像差校正全息光栅光谱仪进行了详细分析，尤其对它们的工作原理、结构参数和性能指标进行了深入分析，如杂散光的来源、信噪比的分析及其改善方法、探测器的置放、像差理论、像差计算及其消除的办法。

Thus, we propose a new depth function to deal with such concave shape data sets using the principal of smallest hypersphere in the Gaussian kernel feature space.

本文从样本深度的角度，利用高斯核特征空间最小球原理，提出了一种广义的数据深度。

Trioxial fluxional function is applied to the analysis of the rolling process of bars/wires with special crowned/concave rolls, by which a result is obtained as the same one from flat rolling.

采用了三维流函数法凸凹形辊棒材轧制过程的解析，得到了与平辊轧制时相同的效果。

Winth the segmentation function, the stepwise decomposition algorithm can be used to compute the intersecting body volume not only of the convex polyhedrons, but also the concave polyhedrons.

像上面所讲到的多面体相交的体积计算这样一类问题，在其他行业也有类似问题的提出和反映，是值得认真研究和需要解决的问题。

Firstly, a new quasi convex-concave extension definition is introduced to study general constrained optimization problem, which is much approximate function's shape than the interval extension.

首先，对一般约束优化问题，引入一新的概念，即拟凸-凹扩张，它比区间扩张能更好地逼近函数的形状。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。