8 A note on extreme points and inflection points of rational entire functions;
有理整函数的极值点和拐点的一个注记
Distingnishing again on the extreme point of binary function;
二元函数极值点的再判别
Judgmentof extreme point and inflexion point through factors;
利用导数的因子判断极值点和拐点
Emphases are put on solving the problem of repeating searching extreme points in contours of Gauss curvature drawing,and the improved Bulirsch Stoer contour curve searching method is used in extreme points searching to speed up the searching efficiency.
提出了一种针对非均匀有理 B样条 (NURBS)自由曲面的高斯曲率等值线的光顺检测方法 ,重点解决绘制高斯曲率等值线时出现的极值点的重复搜索问题 ,并将改进的Bulirsch-Stoer等值线搜索法用于极值搜索中 ,提高了搜索效率。
The extreme points of the class T p,j (n,m,α) are determined as well.
给出了解析函数子族Tp,j(n,m,α)的系数定理、偏差定理,最后决定了Tp,j(n,m,α)的极值点。
To make up for the shortage,an improved algorithm was proposed based on analyzing the 3 to 8 fundamental extreme points of convex hull and merging complementary distribution into initial inclusion hull.
虽然"利用正负划分性求平面点集凸包的最优算法"[1]计算准确,计算过程中只用到加、减、乘和比较运算,时间复杂性低,但存在极值点分布情况不全面及分情况处理的局限。
The relation among inflexion point,extreme value point and undifferentiable point is investigated by contrasting their sufficient conditions.
给出了曲线拐点判定的几个充分条件,对比曲线的拐点和极值的判别方法,研究了曲线的拐点、极值点和不可导点之间的关系。
It s known that extreme value point and inflexion point can be discussed through the first derivation, and the second derivation.
我们已经知道利用一阶导数、二阶导数讨论函数极值点、拐点的方法 。
Two simple and accurate drawing-making methods were reached by solving the extreme value points in projected picture.
以解析法求得正交圆柱圆链相贯线上最右(左)点的坐标值及这些点到坐标原点的距离,进而得出在投影图中求解这些极值点的两种既简单又准确的作图方法。
Creep buckling with limit point type for viscoelastic laminated circular cylindrical shells under axial compression;
受轴压黏弹性层合圆柱壳的极值点蠕变失稳
Unfortunately, the achieved nonlinear analysis techniques are only workable for tracing the equilibrium path of limit point types.
目前的结构非线性稳定分析技术大多对极值点失稳型问题较为有效,但对分枝点失稳型问题则困难较多。
The mathematical property of the limit point in kinematic path is clarified.
阐明杆系机构运动路径极值点的数学特征。
Experiment result shows that the extremal points locate accurately and the SER are stab.
实验表明,该方法所提取的极值点定位准确,区域稳定性好,对应区域精度提高到70。
Defined object function can extract the extremal points located accurately,form the stable extremal regions,and magnify the local intensity changes.
提出了一种基于不变区域提取算法,通过灰度指数变换,定义的目标函数不仅提取了定位准确的极值点,形成稳定的不变区域,而且突显了每个方向上灰度的变化。
A property of p(z) at extremal points for argument on the boundary of the circle |z| = r < 1 is derived.
本文将给出p(z)在圆|z|=r<1的边界上的辐角极值点处的一个性质,所得结果推广了前人关于辐角估计的结论,并给出这一结果的一些应用。
In the case of 0 degree,the extreme vertex serial number comparison method is used t.
极值顶点前后相邻边矢量叉积法是识别任意简单多边形方向的最优算法 该算法存在的问题是 :当极值顶点前后相邻边夹角接近 0°或 180°时 ,叉积结果接近 0 ,因此存在二义性 ,会导致错误的方向识别 针对现有算法对奇异情形方向判别解决不彻底的问题 定义了多边形极值顶点奇异情形 ,对相邻边夹角接近 0°和 180°两种奇异情形给出了判定方法 ;提出了极点前后点坐标比较法和极点序号大小比较法 ,有效地解决了所有奇异情形下的方向识别问题 ,它们都可以发展成为独立的方向判断算法 实验结果表明 ,该算法简单高效 ,健壮性强 ,时间复杂度为O(n
Application of Fibonacci Method in Searching for Extremum of Compound Pendulum;
Fibonacci方法搜寻复摆的极值点
New Proof of the Adequate Conditions for the Judgment of Dualistic Function Extreme Point;
二元函数极值点判定的充分条件新证
The Life Curve and Peak Forcasting of China Steel Industry;
产业生命周期与中国钢铁产业极值点
THE RELATION BETWEEN TWO FUNCTION S EXTREMUM POINT AND THE DOLLAR FUNCTION;
二元函数的极值点与一元函数的关系
Teaching Reach on Triangles Extreme Value Point and Its Property;
三角形的极值点及其性质的教学探讨
A Judging Theorem about Inextreme Value Point's Existence
关于非极值点存在性的一个判定定理
8 A note on extreme points and inflection points of rational entire functions;
有理整函数的极值点和拐点的一个注记
Algorithm of Finding Extreme Points and Center Point of Views-Dividing in Engineering Drawing
工程图中查找极值点及视图划分中心点的算法
The water withdrawal will be equal to the water consumption if it reaches the maxima.
当取用水达到极值点时,取用水量等于耗水量。
The Research of Extreme Value Index and Properties of Upper-Point in Extreme Value Theory;
极值理论中的极值指标以及上端点的性质研究
To locate an extremum we look for these points.
为了确定极值,我们需要找这些点。
Study on the Numerical Simulation for Resistance Spot Welding with Rectangular Tip Electrode;
矩形端面电极电阻点焊数值模拟研究
A Note on the Xufficient Condition of Binary Function s Extremum;
二元函数极值的充分条件的一点补充
Analysis on Step and Maximum of Density of Mean-shift Algorithm
均值移动算法步长及密度极大点分析
Joint Distribution of the Supremum, the Infimum and the Number of Zero in the Markov-modulated Risk Model;
Markov-modulated风险模型的极大值、极小值及零点数的联合分布
is the fractional number of data points to exclude from the calculation
为一分数,指定数据点中要消除极值的比例。
A New Class of Estimator and Convergence Property of the Endpoint Estimators;
极值指数估计量和尾端点估计量的收敛性
Fairing Minimal Surface by 4-Point Interpolation Subdivision Scheme;
利用四点插值细分法构造光顺极小曲面
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