1) approach rate
逼近率
1.
Objective In order to make up the deficiency of only considering the approach rate when constructing objects,a method to construct objects in the dynamic state is proposed.
目的为弥补仅从逼近率(邻接率)构造实体方法的不足,探讨了一种在动态情形下构造实体的方法。
2) probabilistic approximation
概率逼近
1.
By means of Pettis integral,stochastic process,moment-generating functions and operator-valued mathematical expect,general probabilistic approximations of exponential formulas,generating theorems and estimations of its convergent rates are given for C-semigroups.
借助Pettis积分、随机过程、矩生成函数及算子值数学期望,给出了一般形式的C半群概率逼近指数公式、生成定理及其收敛速度的估计式,也从另一个角度得出C半群概率表示的Vonorovskaya型渐近公式。
3) probabilistic approximation
概率型逼近
1.
Making use of the formula of and the inequality of,this paper has deduced two types of probabilistic approximation of C-semigroups and the estimating of convergent rate.
以Taylor公式和Holder不等式为工具,得出了半群的两种概率型逼近及收敛速度的估计。
2.
Making use of general Pettis integral,operator-valued mathematical expectation and continuous modified modulus,this paper has deduced the probabilistic approximation and convergent rates about exponentially bounded C-semigroups, which has improved existing results.
借助广义Pettis积分、算子值数学期望、连续修正模等概念,得到了指数有界C半群的概率型逼近式及收敛速度的估计式,改进了已有的结果。
3.
Then,using Taylor expansion of the semigroup,Holder s inequality and estimations of moment-generating functions of some suitable random variables,some briefly probabilistic approximations and estimations of convergent rates are obtained for C-semigroups.
借助于算子值数学期望以及概率论方法,得到了Banach空间上指数有界的C半群的概率表示式,进而利用T ay lor展开式、Holder不等式及适当的随机变量的矩生成函数估计式等工具,以较为简化的形式给出了C半群概率型逼近及收敛速度的估计式。
4) probability approaching method
概率逼近法
5) Multiresolution approximation(MRA)
多分辨率逼近
6) increment rate progressively adjusting
微增率逐次逼近
补充资料：逼近
逼近
approximation
通近【即pm劝m浦门;anl平.院~u栩]，亦称近似 把一些数学对象用另一些在某种意义下与其相似的对象来代替，采用这种方法，可以把研究一个数学对象的数值特征和量的性质的问题，转化为研究另一些比较简单、比较方便的对象(例如具有容易计算的特征和已知性质的对象).在数论中，研究DioPhantus逼近，特别是研究用有理数逼近无理数.在几何学和拓扑学中，研究曲线、曲面、空间和映射的逼近.实际上，某些数学分支几乎专门研究逼近，例如函数逼近论和数值分析方法的理论.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条