最小值

按照期望值决策准则，使得总费用的数学期望E（c）达到最小值的设计，就是优化设计。

When the mathematical expectation of the total cost , E ( c ), reaches minimum , the design is optimal according to the expected value decision rule .

为避免BP神经网络在训练之后存在周期性误差的问题，混沌蚁群算法可以有效的避免最优解陷入局部最小值和收敛速度慢的问题。

BP neural network group can avoid the periodical errors of BP neural network in the training , chaos ant colony optimization can effectively avoid optimal solution plunge into a local minimum and solve the problems of slow convergence .

本文指出函数f（n）在整个定义域上的最小值和全部最小值点。

In this paper , the minimum and the all minimal points of f ( n ) are given .

最小值为1，最大值为MAXINTRTYPE。

The minimum value is1 and the maximum value is MAX_INTR_TYPE .

论文利用MonteCarlo方法，计算节点疲劳寿命服从对数正态分布时，n个节点的最小值的分布，给出了分布函数的具体表达式。

Monte Carlo method is used to calculate a function which is a formulation about a number of joints .

为缓冲池分配更多的内存空间在大多数情况下都是有好处的，DB2的默认值只能当作最小值。

More memory allocated through bufferpools is good in most cases and DB2 default values tend to be minimalist values .

我们给出了DNA计算中序列设计的支持系统：计算由多个评价指标的线性和组成的适应值函数的最小值。

We develop support system for sequence design in DNA computing , which minimizes the evaluation function calculated as the linear sum of the plural evaluation terms .

默认情况下，这个数值与你的CPU个数相同，最小值是2。

By default , the degree of parallelism equals the number of CPUs you have , or2 at a minimum .

在本例中，最大和最小值决定了数据类型为Integer的业务变量的值范围。

In this example , minumum and maximum values determine the value range of the business variable of datatype Integer .

当稀土元素La的添加量为0.31%时，同一系列的一次枝晶间距达到最小值410.4。

When we put in 0.31 % La , its primary dendrite spacing obtained the minimum 410.4395 μ m at the same series .

算法主要基于Williams活动轮廓模型，通过求取轮廓点的局部能量最小值对轮廓线进行更新。

The contour model is based on williams ' method by Greedy model for the minimal energy in the local position .

经24h稳态冲刷后，EC表面切应力的最大值为平均切应力的1.3倍，最小值为0.8倍，应力分布明显均匀化。

Under flow condition , the maximum shear stress was 1.3 times of average shear stress , the minimum , 0.8 times .

由于H∞范数只是反映控制系统某一方面的性能指标，当它趋向于最小值时，系统的其它各项重要的性能指标（例如H2范数和动态响应特性等）往往不一定令人满意。

Since H_ ∞ - norm represents only one dynamic performance index of control systems , the others may not be optimized when H_ ∞ - norm does .

700m处出现氧最小值。

Minimum oxygen content appears near 700m .

不同方位角的LD的最大值和最小值都随着生育进程不断增加，且LD最大值增加幅度不及LD最小值大。

At different azimuth of the maximum LD and are increasing as growth process , and the increase of maximum LD is smaller than the increase of minimum LD .

由于标准的BP算法在对图像分类时存在着收敛速度慢以及对网络初始参数的依赖，容易陷入局部最小值问题。

Due to the standard BP algorithm in the slow rate of convergence and the dependence of the initial parameters of the network image classification , it is easy to fall into the local minimum value problems .

用随机振动理论将目标函数表示成关于阻尼器偏心的函数，继而用MATLAB优化工具箱求得目标函数取最小值时的阻尼器最优偏心位置。

Based on the random vibration theory , the objective function is expressed as a function of damper eccentricity . The optimum damper eccentricity is found by minimizing the target function with the optimization toolbox of MATLAB .

冷起动首循环瞬态HC排放与进气道燃料输运特性关系的试验研究首循环瞬态HC排放的最小值出现在缸内燃烧最好的燃空当量比附近。

Transient HC emissions and fuel transport in intake port of the first firing cycle during cold start Minimum exhaust HC emissions correspond to maximum peak cylinder pressure occurrence .

同时开孔Z扫描曲线在焦点出现透过率的最小值，表明钴卟啉和铁卟啉都具有非线性吸收特性。

Meanwhile , the minimum value of normalized transmittance of z-scan curves without diaphragm are found at the focus , and indicate that Co (ⅱ) - porphyrin and Fe (ⅲ) - porphyrin all have nonlinear absorption properties .

采用无迹卡尔曼滤波（UnscentedKalmanFilter，UKF）产生粒子，以较少的粒子逼近状态的后验概率分布，搜索到经验风险函数的最小值。

Unscented Kalman filter ( UKF ) is utilized to select particles , rendering smaller number of particles to approximate the posterior probability distribution , thus converging at global minimum of experimental loss function .

晶格热导率在Ce填充量约为0.29时达到最小值，说明在Sb组成的二十面体空洞中部分填充时，Ce的扰动对声子的散射作用最强。

The lattice thermal conductivity reached the minimum value when the Ce filling fraction was about 0.29 , indicating that the effect of Ce rattling on phonon scattering is the strongest as Sb-dodecahedron partial voids are filled by Ce .

从毛羽测试目的着手，介绍乌斯特3型毛羽测试原理及特点，对某些术语做了解释，如毛羽H、毛羽不匀率CVh、毛羽最大最小值等。

Beginning with the purpose of hairiness measurement , the principle and characteristics of yarn hairiness test with Uster Tester 3 are introduced . It explains such terms as hairiness H , minimum and maximum hairiness , coefficient of variation of hairiness , etc.

NDVI在‘热点’处获得最小值，在‘热点’两侧随观测天顶角或太阳天顶角的增加而增加；

On the ' hot spot ', the NDVI is minimum , and it will increase around the ' hot spot ' with the increase of view azimuth or solar zenith angle ;

以具有MTMD（）、MTMD（）或TMD结构的动力放大系数最大值中的最小值为优化准则。

The criterion selected for the optimization is the minimization of the maximum value of the dynamic magnification factor of the structure with MTMD (ⅰ), MTMD (ⅱ) or TMD .

Г表现出相反的规律，在RWC为60.1%～70.3%左右达到最小值。

While Γ presented the opposite rule . When RWC was about 60.1 % ~ 70.3 % , it reached to the minimal value .

计算得到的扩散激活能Q和生长速率常数K表明预渗氮碳可以加速钒铌沉积层的形成，而钒和铌的共同沉积Q值是单渗钒或铌的最小值。

The obtained diffusion activation energy Q and growth rate constant K showed that the pre-nitrocarburizing can accelerate the formation of vanadium niobium carbonitride coating . The Q value of vanadium and niobium co-deposition was the minimum value of single deposition vanadium or niobium .

通过确定服务器的台数，将一般的线性规划转化为0-1规划，用Matlab求出该规划的最优解，得出这些服务器台数下的规划费用的最小值。

Then it changed the linear optimization to a 0-1 optimization by fix on the number of servers . and used Matlab to compute the optimal solution and searched for the number of servers , and again compute the minimum expenses which is the optimal solution .

在磁暴发生后第2天VAI有一个明显的增加，然后下降，到第4天VAI下降到最小值。

VAI increases evidently when geomagnetic storms occur , then VAI decreases , and the maximum decrease occurs on the fourth day after geomagnetic storms .

结果表明，DOC含量在沉积物水界面明显富集，随后急剧下降，6cm处达到最小值，随后呈上升趋势。

DOC concentration has a high value at the sediment-water interface , with a sharp decrease within the depth of 6 cm , and , then , increases later .

对比二次配准结果，初配准中残差（RMS）均值为1.7235、最大值为4.19、最小值为0.45、标准差为1.32；

Contrast to registration result two times , in the primary registration : Average value of RMS is 1.7235 , the biggest be worth to 4.19 , the least be worth to 0.45 ,, Sigma is 1.32 ;