1) minus paired-dominating function
负对控制函数
1.
A minus paired-dominating function of G is a function of the form f:V→{-1,0,1} such that f(v)=1 for any vertex v ∈ D,f(v)≤0 for any vertex v ∈ V-D,and f(N[v])≥1 for any vertex v ∈ V.
设D V是图G=(V,E)的任意一个对控制集,如果一个函数f:V→{-1,0,1}满足条件1)对任意点v∈D,有f(v)=1,对任意点v∈V-D,有f(v)≤0,2)对任意点v∈V,均有f(N[v])≥1,则称函数f为图G的负对控制函数。
2.
Let DV be any paired-dominating set of G=(V, E), a minus paired-dominating function of G is a function of the form f:V→{-1,0,1} such that f(v)=1 for any vertex v∈D,f(v)≤0 for any vertex v∈V-D,and f(N[v])≥1 for any vertex v∈V.
如果一个函数f:V→{-1,0,1}满足条件:(1)对任意点υ∈D,有f(v)=1,对任意点v-D,有f(v)≤0;(2)对任意点v∈V,均有f(N[v])≥1;则称函数f为图G的负对控制函数。
2) minus paired-domination number
负对控制数
1.
The minus paired-domination number of a graph G is γ~-P(G)=min｛f(V)｜f is a minus paired-dominating function of G｝.
负对控制函数f的重量f(V)是v中所有点的函数值之和,图G的负对控制数γ-P(G)=min{f(V)|f是图G的负对控制函数}。
3) logarithm-function controller
对数函数控制器
1.
Beam halo-chaos for five different initial ion distributions is effectively controlled by a logarithm-function controller based on the variable.
文章改变以往习惯于以离子束均方根半径等为控制变量的束晕-混沌模拟控制方法,取匹配半径外离子数与总离子数之比为控制变量,并构造一对数函数控制器,以进行束晕-混沌控制的模拟研究。
2.
The effect on the beam radius due to the change of the filling factor for K-V distribution was studied under logarithm-function controller and was compared with the result of the delayed feedback controller.
研究了在以对数函数控制器进行束晕控制的条件下,填充因子的变化对强流离子加速器中初始分布为K-V分布的离子束半径的影响,通过将其与延迟反馈控制器下所得的结果进行比较,发现在相当大的填充因子取值范围内,使用对数函数控制器时,束半径的变化比使用延迟反馈控制器时小,而且在以离子数比为控制变量的对数函数控制下,束最大半径和均方根半径也没有像使用延迟反馈控制器那样有明显的峰值或波谷出现。
3.
Based on those, the impact on beam halo-chaos control’s effect due to the change of filling factor for K-V distribution was studied under the logarithm-function controller by selecting ion numbers ratio as controlling variable and selecting root-mean-square radius as controlling variable, and was compared with t.
在此基础上研究了以离子数比为控制变量和以均方根半径为控制变量的对数函数控制器下填充因子的变化对K-V分布离子束束晕控制效果的影响,并将数值模拟结果及以均方根半径为控制变量的延迟反馈控制器的结果进行了比较。
5) negative exponent function controller
负指数函数控制器
1.
The negative exponent function controller is proposed based on the strategy of controlling halo-chaos,and a Kapchinsky-Vladimirsky(K-V) high-current ion beam through an accelerator channel is studied using the particle-in cell procedure(PIC).
根据控制束晕-混沌的非线性策略,提出一种负指数函数控制器,并运用该控制器和多粒子(PIC)模拟程序研究初始分布为Kapchinsky-vladimirsky(K-V)分布的强流离子束在加速器通道中的传输过程。
6) minus domination
负控制数
1.
In this paper, we pay our attention mainly on the following two parts of function domination in graphs: (1) Determining the upper minus domination number and the upper signed domina.
在本文中我们主要研究了以下两个部分:(1) 三正则无爪图的负控制数和符号控制数;(2) 图的罗马控制数。
补充资料：负对
1.有所负欠，未予偿还。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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