| 随机多边形网格链图的ABC指数 |
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| 引用本文： | 陈维楠,魏首柳,杨世永,郑升.随机多边形网格链图的ABC指数[J].延边大学理工学报,2020,0(1):20-23. |
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| 作者姓名： | 陈维楠 魏首柳 杨世永 郑升 |
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| 作者单位： | ( 闽江学院 数学与数据科学学院, 福建 福州 350108 ) |
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| 摘 要： | 针对一类多边形网格链图,利用概率和递归的方法研究了其ABC指数的计算问题,并给出了ABC指数的数学期望表达式.根据该表达式,计算了含有n个多边形的所有网格链图ABC指数的平均值.
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| 关 键 词： | ABC指数 数学期望 多边形网格链图 平均值 |
Atom-bond connectivity index in a random polygonal chain |
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| CHEN Weinan,WEI Shouliu,YAN Shiyong,ZHENG Sheng.Atom-bond connectivity index in a random polygonal chain[J].Journal of Yanbian University (Natural Science),2020,0(1):20-23. |
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| Authors: | CHEN Weinan WEI Shouliu YAN Shiyong ZHENG Sheng |
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| Affiliation: | ( College of Mathematics and Data Science, Minjiang University, Fuzhou 350108, China ) |
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| Abstract: | For a type of polygonal chain, the calculation problem about the ABC index was studied by the methods of probability and recursion. We obtain an exact formula for the expected value of ABC index in a random polygonal chain. Based on the formula above, we present the average value of the ABC index with respect to all the polygonal chains with n polygons. |
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| Keywords: | ABC index expected value polygonal chain average value |
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