对数凹性,log-concavity
1)log-concavity对数凹性
1.It is interesting to know the distirbution of combinaotirial sequences: log-convexity, log-concavity.对数凸性和对数凹性的研究对了解组合序列的分布是有益的,这是获得不等式的丰富源泉,而且在统计中特别有用。
2.We also give a new proof of log-convexity and log-concavity of some sequences through the calculations of Hankel determinants.本文用连分式法证明了Barry提出的几类序列Hankel变换的猜想,同时通过Hankel行列式的计算,给出一些组合序列对数凸性和对数凹性新的证明。
英文短句/例句

1.Combinatorial Proofs of Log-convexity and Log-concavity of Some Combinatorial Numbers;一些组合数的对数凸性和对数凹性的组合证明
2.Numerical Analysis on the Mechanical Properties of Heat Preserving Concave Concrete Block Wall;节能凹形砌块墙体力学性能数值分析
3.Comparation on Modification Effect on Attapulgite by CTAB and KH550CTAB与KH550改性凹凸棒石的改性效果对比
4.Study on the adsorption of the modified attapulgite for Mo(Ⅵ)改性凹凸棒土对Mo(Ⅵ)的吸附性能研究
5.Exact Multiplicity of Semi-linear Differential Equations' Solutions Involving Concave-convex Functions含凹凸函数的半线性微分方程解的确切个数
6.Bandits Behavior and Human Nature--Interpretation of JIA Ping-wa s Novels Concerning Bandits;匪事与人性——对贾平凹涉匪小说的解读
7.Study on effects of calcined attapulgite on properties of waterproofing mortar煅烧凹土对防水砂浆性能影响的研究
8.Effect of Sulfuric Acid Treating on Properties of Attapulgite Clay酸浸处理对凹凸棒石黏土性能的影响
9.Adsorption of Al~(3+) in water with raw soil of attapulgite and hydrochloric acid modified attapulgite凹凸棒原土及盐酸改性凹凸棒对水中Al~(3+)的吸附
10.The numerical simulation of double-curved autobody panel′s static dent resista nce双曲扁壳覆盖件静态抗凹性数值模拟研究
11.Numerical Limit and Shakedown Analyses of the Pressure Vessels with Part-Through Slots;含凹坑缺陷压力容器极限与安定性数值分析
12.Proof of a Type of Triangle Inequality by Means of Concavo-Convex Function;利用函数的凹凸性证明一类三角不等式
13.A Reextension on the Concave-conves of Function through Formula of Taylor;用泰勒公式研究函数凹凸性的一种再拓广
14.An Extensiveness on the Concave-convex Property of Function through Formula of Taylor;用泰勒公式研究函数凹凸性的一种拓广
15.Numerical analysis of Gaussian mirror resonator cavity outside the plano-concave resonator高斯镜平凹腔腔外光束特性的数值分析
16.Application of the Nature of Concave-convex Function in the Proof of Inequality凹凸函数的性质在不等式证明中的应用
17.Adsorptive performance of modified palygorskite clay for removal of sulphide in waste water改性凹凸棒黏土对废水中硫化物的吸附性能
18.Study on Adsorption of Modified Attapulgite for Basic Blue 54改性凹凸棒石对碱性蓝54的吸附试验研究
相关短句/例句

q-degree log-concavityq-阶对数凹性
3)q-log-concavityq-对数凹
4)log-concave function对数凹函数
1.Analogous to the n-1dimensional section function,we show that the n-j-dimensional section function is a log-concave function.类似于n-1维截面函数,该文证明凸体的n-j维截面函数是对数凹函数,研究与其有关的性质,并给出一些应用。
5)weakly logarithmically convex(concave) function弱对数凸(凹)函数
6)(logarithm) concare (convex) function(对数)凹(凸)函数
延伸阅读

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