查询词典 concave function

To solve the coupled wave function of nonlinear recording hologram, the linearization method was advanced, and two modulating models of refractive index were adopted, the convex curve and the concave curve.

采用折射率调制特性为上凸型和下凹型的调制曲线，提出了线性化求解非线性记录全息图耦合波方程的方法。

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 graph of a concave function is always below its tangent.

一个凹函数的图象总在它的切线的下方。

We show that synchronicity is a concave function of ownership by the largest shareholder with its maximum at an approximate 50% level.

我们发现，同步性是最大股东所有权的凹函数，在近50％的水平上达到最大值。

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。

This paper discusses a variation equation problem in a class of singular stochastic control with stopping time,gives its solution under two different conditions,which is a one order continuous differentiable and concave function,and gives the exact form.

讨论了一类带停时的奇异型随机控制问题中的一个变分方程问题，并且在两种不同的情况下给出了该变分方程的解，即为一阶连续可导凹函数，并在两种情况下给出了此函数的具体形式。

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。

Under these assumptions, for any given selling price the paper develops the criterion for the optimal solution to the replenishment schedule, and proves that the optimal replenishment policy not only exists but is also unique. It shows that the total profit per unit time is a concave function of price when the replenishment schedule is given.

在这些假设下，证明了对任意给定的价格，最优订货周期长度和该订货周期内最优存货时间的长度不但存在而且惟一，又证明了在给定订货周期条件下平均利润函数是关于价格的严格凹函数，求出了物品的最优销售价格。

Secondly in§3.2 ,firstly we prove a new fixed point theorem on Banach space,and study the Sturm-Liourille boundary value problem with the theorem and some properities of concave function, then the existence of three positive solutions is gotten.

第二节，先证明一个新的锥上不动点定理，再利用此定理及凹函数的性质来研究边值问题，得到了三个正解的存在性。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48