1) convexity
[英][,kɔn'veksiti] [美][,kɑn'vɛksətɪ]
凸性
1.
On the convexity and smoothness of Banach space and its application;
Banach空间的凸性和光滑性及其应用
2.
The Convexity of Closed Orbit about Planar Polynomial System;
关于平面多项式系统的闭轨的凸性
2) concavity
[英][,kɔn'kævəti] [美][kɑn'kævətɪ]
凸性
1.
The properties of the modified Bernstein-Durrmeyer operators are studied,and the properties related to monotonicity and concavity and class Hw which are preserved by the modified Bernstein type operators are obtained.
研究了修正的Bernstein-Durrmeyer算子的特性,得到相应原函数的单调性、凸性、Hw类的保持性质。
2.
The property of the Szsz type operator was studied ,and the property related to monotonicity and concavity and class Hω which are presrved Szsz type operator are obtained.
研究了Sz sz型算子的特性 ,得到Sz sz型算子相应于原函数的单调性、凸性、Hω 类的保持性
3) convexity
[英][,kɔn'veksiti] [美][,kɑn'vɛksətɪ]
凸度，凸性
4) elastic punch
弹性凸模
1.
It detailed the selection and calculation of technological data, the die structure and the working process, and the main points on designing the elastic punch and rigid matrix.
通过实例介绍了橡胶胀形模的设计方法 ,并详细地叙述了工艺参数的选择计算及模具结构、工作过程和弹性凸模、刚性凹模的设计要
5) geometrical convexity
几何凸性
1.
The ordinary convexity,geometrical convexity,logarithmical convexity and the exponential convexity are mentioned in the first two sections;the ideal convexity,integral convexity and the β-convextiy are presented in the central three sections;for the more generalized convexties are briefly introduced in the last section.
本文第一节简述通常凸性概念及其在不等式理论方面的几个简单应用,第二节简介几何凸性、对数凸性、指数凸性及其与通常凸性之间的相互关系;第三节介绍集合与函数的理想凸性;第四节简介由笔者首创的积分凸性及其进展。
6) logarithmical convexity
对数凸性
1.
The ordinary convexity,geometrical convexity,logarithmical convexity and the exponential convexity are mentioned in the first two sections;the ideal convexity,integral convexity and the β-convextiy are presented in the central three sections;for the more generalized convexties are briefly introduced in the last section.
本文第一节简述通常凸性概念及其在不等式理论方面的几个简单应用,第二节简介几何凸性、对数凸性、指数凸性及其与通常凸性之间的相互关系;第三节介绍集合与函数的理想凸性;第四节简介由笔者首创的积分凸性及其进展。
补充资料：凸性
凸性 Convexity
定义：
衡量债券自卫能力的指标。当凸性为正，债券会因利率上扬而使平均存续期间(duration)和跌价幅度均变小；而若利率下跌，平均存续期间及涨价的幅度皆会放大。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。