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Application of the Poverty Equivalent Growth Rate (PEGR) Method (Case Study: Household Income Group in South Sulawesi 2016-2018) 贫困等效增长率(PEGR)方法的应用(以2016-2018年南苏拉威西省家庭收入组为例)
Pub Date : 2022-06-21 DOI: 10.29303/emj.v5i1.125
Andy Rezky Pratama Syam
The purpose of this study is to analyze pro-poor growth in South Sulawesi Province with an income dimension approach for the classification of urban and rural areas. This study reveals the poverty situation in South Sulawesi and the extent of the growth of the poor population. In addition, an overview of the effects of growth and distribution effects on changes in poverty is also obtained. Using SUSENAS data from South Sulawesi Province from 2016 to 2018, it was found that growth tends to have a greater impact on reducing poverty in rural areas than in urban areas based on the results of the Shapley decomposition. The results of calculating the degree of pro-poor growth with PEGR, show that income growth tends to be trickle-down from 2016 to 2017. The decline in the poverty rate did occur but the benefits of growth received by the poor were proportionally less than the non-poor. Income growth shows pro poor in the period from 2017 to 2018.
本研究的目的是用收入维度方法对城市和农村地区进行分类,分析南苏拉威西省的扶贫增长。本研究揭示了南苏拉威西的贫困状况和贫困人口的增长程度。此外,还概述了增长和分配效应对贫困变化的影响。利用2016年至2018年南苏拉威西省的SUSENAS数据,根据Shapley分解结果发现,增长对农村地区减贫的影响往往大于城市地区。用PEGR计算扶贫增长程度的结果表明,2016年至2017年,收入增长倾向于涓滴向下。贫困率确实下降了,但穷人从增长中得到的好处按比例比非穷人少。2017年至2018年期间的收入增长显示了对穷人的帮助。
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引用次数: 0
The Power Graph of a Dihedral Group 二面体群的幂图
Pub Date : 2022-01-12 DOI: 10.29303/emj.v4i2.117
Evi Yunartika Asmarani, A. G. Syarifudin, Gede Adhitya Wisnu Wardhana, Ni, Wayan Switrayni
Graph theory is one of the topics in mathematics that is quite interesting to study because it is applicable and can be combined with other mathematical topics such as group theory. The combination of graph theory and group theory is that graphs can be used to represent a group. An example of a graph is a power graph. A power graph of the group  is defined as a graph whose vertex set is all elements of  and two distinct vertices  and  are connected if and only if  or for a positive integer x and y. In this study, the author discusses the power graph of the dihedral group  The results obtained from this study are the power graph of the dihedral group  where  with  prime numbers and an  natural number is a graph consisting of two non-disjoint subgraphs, namely complete subgraphs and star subgraphs. And we find that its radius and diameter are 1 and 2.
图论是数学中一个非常有趣的研究课题,因为它是适用的,可以与其他数学课题如群论相结合。图论和群论的结合是图可以用来表示群。图的一个例子是幂函数图。电力图组被定义为一个图的顶点集的所有元素和两个截然不同的顶点连接当且仅当x和y或一个正整数。在这项研究中,作者讨论了功率图二面角集团的这项研究获得的结果的功率图素数的二面角组和一个自然数是两个non-disjoint图组成的子图,即完全子图和明星子图。我们发现它的半径和直径分别是1和2。
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引用次数: 7
Fuzzy Metric Space and Its Topological Properties 模糊度量空间及其拓扑性质
Pub Date : 2022-01-06 DOI: 10.29303/emj.v4i2.95
M. Masriani, Q. Aini, Syamsul Bahri
The fuzzy set theory is mathematics that applies fuzziness characteristics, so that gives the truth value at interval [0,1]. It is different from the crisp set that gives a truth value of 0 if it is not a member and 1 if it is a member. The theory of fuzzy sets has been developed continuously by scientists. One of the developments of the fuzzy set is the fuzzy metric space which the definition was introduced by George and Veeramani. Based on the analysis results, it is found that every metric space X if and only if X is fuzzy metric space. As a result, the topological properties of the metric space still apply to the fuzzy metric space
模糊集理论是应用模糊特性给出区间[0,1]上的真值的数学。它不同于一个清晰的集合,如果它不是一个成员,它的真值为0,如果它是一个成员,它的真值为1。模糊集理论一直被科学家们不断地发展。模糊集的发展之一是模糊度量空间,它的定义是由George和Veeramani引入的。根据分析结果,发现每个度量空间X当且仅当X是模糊度量空间。因此,度量空间的拓扑性质仍然适用于模糊度量空间
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引用次数: 0
Pipeline Network Optimization using Hybrid Algorithm between Simulated Annealing and Genetic Algorithms 基于模拟退火和遗传算法的管道网络优化
Pub Date : 2022-01-03 DOI: 10.29303/emj.v4i2.100
Parizal Hidayatullah, I. Irwansyah, Q. Aini, Bulqis Nebulla Syechah
The pipeline network is one of the most complex optimization problems consisting of several elements: reservoirs, pipes, valves, etc. The pipeline network is designed to deliver water to consumers by considering the demand and adequate pressure on the water pipe network. The main problem in designing reliable pipelines is the cost. The amount of cost that most influences the design of pipelines is the diameter of the pipe used. Therefore, this study aims to combine (hybrid) simulated annealing algorithm with genetic algorithm to optimize water pipe networks. The simulated annealing algorithm is the main algorithm in finding the optimal cost.Meanwhile, the genetic algorithm will assist in the pipeline update process using the roulette wheel selection. Simulation data is used to test the hybrid algorithm performance compared to the standard simulated annealing algorithm. The results show that the simulated annealing hybrid algorithm is able to get a more optimal cost in designing a water pipe network compared to the standard simulated annealing algorithm. Keywords: Optimization, Epanet 2.0, Simulated Annealing, and Genetic Algorithm
管网是最复杂的优化问题之一,它由储层、管道、阀门等要素组成。管网的设计是考虑到供水管网的需求和足够的压力,将水输送给消费者。设计可靠管道的主要问题是成本。对管道设计影响最大的成本是所用管道的直径。因此,本研究旨在将(混合)模拟退火算法与遗传算法相结合,对供水管网进行优化。模拟退火算法是寻找最优成本的主要算法。同时,遗传算法将使用轮盘赌轮盘选择辅助管道更新过程。通过仿真数据与标准模拟退火算法进行比较,验证了混合算法的性能。结果表明,与标准模拟退火算法相比,模拟退火混合算法能够获得更优的管网设计成本。关键词:优化,Epanet 2.0,模拟退火,遗传算法
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引用次数: 1
Comparison of Fuzzy Time Series Methods and Autoregressive Integrated Moving Average (ARIMA) for Inflation Data 通货膨胀数据的模糊时间序列方法与自回归综合移动平均(ARIMA)的比较
Pub Date : 2021-12-30 DOI: 10.29303/emj.v4i2.122
A. Qalbi, Khalilah Nurfadilah, Wahidah Alwi
This study compares the Fuzzy Time Series (FTS) method with the Autoregressive Integrated Moving Average (ARIMA) method on time series data. These two methods are often used in predicting future data. Forecasting or time-series data analysis is used to analyze data in the form of time series. In this study, Indonesian inflation data was used to be analyzed in comparing the FTS and ARIMA methods. Inflation is one of the economic indicators used to measure the success of a country's economy. If the inflation rate is low and stable, it will stimulate economic growth. This inflation value is calculated every month where the value can decrease and increase from one period to another. Comparison of the FTS and ARIMA methods is seen in the error value generated by the two methods. A method can be better than other methods if the value of the resulting forecast error is smaller. In this study, Mean Squared Error (MSE) and Mean Absolute Percentage Error (MAPE) were used to see the magnitude of the error value of the two methods on the fives data testing used. The results obtained in this study are the results of Indonesia's inflation forecast for the period January to May 2021 using the FTS method, respectively, at 0.57%, 0.375%, 0.2%, 0.2%, and 0.1125%, while the forecast results using the ARIMA method, respectively. Of 0.3715848%, 0.2362817%, 0.1508295%, 0.1731906%, and 0.2432851% and the results of calculating the size of error using MSE and MAPE indicate that the ARIMA method with the model ARIMA(3,0,0) is better at predicting inflation data in Indonesia with a value of MSE of 0.009 and MAPE of 64.987% compared to the FTS method resulted in MSE values of 0.047 and MAPE of 132.548%. 
本文比较了模糊时间序列(FTS)方法和自回归综合移动平均(ARIMA)方法对时间序列数据的影响。这两种方法常用于预测未来数据。预测或时间序列数据分析是用来分析时间序列形式的数据。在本研究中,我们使用印尼的通货膨胀数据来比较FTS和ARIMA方法。通货膨胀是衡量一个国家经济成功与否的经济指标之一。如果通货膨胀率低而稳定,就会刺激经济增长。这个通货膨胀值每月计算一次,从一个时期到另一个时期,这个值可以减少或增加。从两种方法产生的误差值可以看出FTS和ARIMA方法的比较。如果结果的预测误差值较小,则一种方法可能比其他方法更好。本研究采用均方误差(Mean Squared Error, MSE)和平均绝对百分比误差(Mean Absolute Percentage Error, MAPE)来衡量两种方法对所使用的5个数据检验的误差值的大小。本研究得到的结果是印度尼西亚2021年1 - 5月的通货膨胀预测结果,分别采用FTS方法为0.57%、0.375%、0.2%、0.2%和0.1125%,而采用ARIMA方法的预测结果分别为0.57%、0.375%、0.1125%。分别为0.3715848%、0.2362817%、0.1508295%、0.1731906%和0.2432851%,利用MSE和MAPE计算误差大小的结果表明,与MSE为0.047、MAPE为132.548%的FTS方法相比,基于ARIMA(3,0,0)模型的ARIMA方法对印度尼西亚通胀数据的预测效果更好,MSE为0.009,MAPE为64.987%。
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引用次数: 0
Modifikasi Algoritma Kriptografi Hill Chiper dengan Matriks Generalisasi Bilanga Fibonacci dalam Penyandian Pesan 希尔·齐珀密码算法与信息编码中的斐波那契矩阵的修正
Pub Date : 2021-12-30 DOI: 10.29303/emj.v4i2.107
Husni Fitroti, Mamika Ujianita Romdhini, Ni Wayan Switrayni
Hill Cipher cryptographic algorithm is a technique of massage encoding by implementing a matrix of order n*n as a key matrix. The key matrix is a matrix that has a multiplicative inverse. The security of messages measured by the number of processes in encoding. More and more processes in the encoding will lead to the longer time required.  So that the massage will be safer. The purpose of this research is to modify the Hill Cipher cryptographic algorithm by using the matrix of  Fibonacci numbers generalization whose degree-p and rank-n Qn,p. The Matrix Qn,p is a matrix of order(p+1)*(p+1) and it will be the key matrix in the Hill Cipher cryptographic algorithm.This research showed that any matrix of Fibonacci number generalization Qn,p with p and n are positive integers that be used as a key matrix in the Hill Cipher algorithm. The modification of the Hill Cipher cryptographic algorithm has done with modifying the keys by making the degree (p) and rank (n) of Qn,p as the keys that used in the encryption and decryption process of data (message).
希尔密码学算法是一种通过实现n*n阶矩阵作为密钥矩阵的按摩编码技术。关键矩阵是一个有乘法逆矩阵的矩阵。用编码过程的数量来衡量消息的安全性。编码过程越多,所需的时间就越长。这样按摩会更安全。本研究的目的是利用阶为-p,秩为-n的Fibonacci数泛化矩阵Qn,p,对Hill Cipher密码算法进行改进。矩阵Qn,p是一个(p+1)*(p+1)阶的矩阵,它将是Hill Cipher加密算法中的密钥矩阵。研究表明,Fibonacci数泛化Qn,p的任意矩阵p和n都是正整数,可以作为Hill密码算法的密钥矩阵。对Hill Cipher加密算法的修改是通过将Qn,p的度数(p)和秩(n)作为数据(消息)加解密过程中使用的密钥来修改密钥。
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引用次数: 0
The Intersection Graph of a Dihedral Group 二面体群的交图
Pub Date : 2021-12-30 DOI: 10.29303/emj.v4i2.119
N. Nurhabibah, A. G. Syarifudin, I. G. A. W. Wardhana, Q. Aini
The intersection graph of a finite group G is a graph (V,E) where V is a set of all non-trivial subgroups of G and E is a set of edges where two distinct subgroups H_i , H_j  are said to be adjacent if and only if H_i cap H_j neq {e} . This study discusses the intersection graph of a dihedral group D_{2n} specifically the subgraph, degree of vertices, radius, diameter, girth, and domination number. From this study, we obtained that if n=p^2 then the intersection graph of D_{2n} is containing complete subgraph K_{p+2} and gamma(Gamma_{D_{2n}})=p. 
有限群G的相交图是一个图(V,E),其中V是G的所有非平凡子群的集合,E是两个不同子群H_i, H_j相邻的边的集合,当且仅当H_i cap H_j neq E{。本文讨论了二面体群}D_2n{的交点图,特别是子图、顶点度、半径、直径、周长和支配数。通过研究,我们得到了当n=p^2时,}D_2n{的相交图包含完全子图}K_p+2{和}gamma (Gamma _D_2n{)=p。{}}
{"title":"The Intersection Graph of a Dihedral Group","authors":"N. Nurhabibah, A. G. Syarifudin, I. G. A. W. Wardhana, Q. Aini","doi":"10.29303/emj.v4i2.119","DOIUrl":"https://doi.org/10.29303/emj.v4i2.119","url":null,"abstract":"The intersection graph of a finite group G is a graph (V,E) where V is a set of all non-trivial subgroups of G and E is a set of edges where two distinct subgroups H_i , H_j  are said to be adjacent if and only if H_i cap H_j neq {e} . This study discusses the intersection graph of a dihedral group D_{2n} specifically the subgraph, degree of vertices, radius, diameter, girth, and domination number. From this study, we obtained that if n=p^2 then the intersection graph of D_{2n} is containing complete subgraph K_{p+2} and gamma(Gamma_{D_{2n}})=p. ","PeriodicalId":281429,"journal":{"name":"EIGEN MATHEMATICS JOURNAL","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121974993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Panel Data Regression Analysis of Human Development Index in West Nusa Tenggara Province with Fixed Effect Model 西努沙登加拉省人类发展指数的固定效应模型面板数据回归分析
Pub Date : 2021-12-30 DOI: 10.29303/emj.v4i2.114
Sapurah Sapurah, I. G. E. Gunartha, N. Fitriyani
Humans are the true wealth of the nation. It is appropriate if humans become the main goal in development. Then the United Nations Development Program (UNDP) initiated the Human Development Index (HDI) as an indicator in measuring the progress of human development. Indonesia took part in applying the HDI calculation. Increasing the value of HDI from various provinces in Indonesia continues to be carried out, including in the Province of West Nusa Tenggara. Improving human development is based on an increase in all dimensions of the HDI itself. West Nusa Tenggara Province consists of 10 regencies/ cities. With different geographical, social, and economic backgrounds, the achievement of HDI in each region will vary. The purpose of this study was to determine the model of the HDI in West Nusa Tenggara Province in 2010-2017 using a fixed-effect model, which was used to see the influence of dimensions on the HDI and explain the differences in intercepts in each district/ city in West Nusa Tenggara Province. Based on the research conducted, a fixed effect panel data model on HDI was obtained for each district/ city in NTB in 2010-2017. From the HDI model obtained, it is known that the slope coefficient is constant, but the intercept varies throughout the district/ city. The slope coefficient value shows the magnitude of the influence of life expectancy, school duration, the average length of schooling, and expenditure per capita adjusted to the HDI of each district/ city.
人是国家真正的财富。如果人类成为发展的主要目标,这是合适的。随后,联合国开发计划署(UNDP)提出了人类发展指数(HDI),作为衡量人类发展进步的指标。印度尼西亚参与了应用人类发展指数的计算。印度尼西亚各省继续提高人类发展指数的价值,包括在西努沙登加拉省。改善人类发展的基础是提高人类发展指数本身的各个方面。西努沙登加拉省由10个县/市组成。由于地理、社会和经济背景不同,每个地区的人类发展指数成就也会有所不同。本研究的目的是利用固定效应模型确定西努沙登加拉省2010-2017年的HDI模型,该模型用于观察维度对HDI的影响,并解释西努沙登加拉省每个地区/城市的拦截差异。在此基础上,建立了2010-2017年NTB各区(市)HDI的固定效应面板数据模型。从得到的HDI模型可知,斜率系数是恒定的,但截距在整个地区/城市是不同的。斜率系数值显示了根据各区/市的HDI调整后的预期寿命、上学时间、平均上学时间和人均支出的影响程度。
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引用次数: 0
Analysis of the Foreign Trade and Gross Domestic Product Effect on Foreign Direct Investment using Panel Data Regression Estimation 利用面板数据回归估计分析对外贸易和国内生产总值对外国直接投资的影响
Pub Date : 2021-07-09 DOI: 10.29303/EMJ.V4I1.85
Winda Anggraini
Investment is one of the components that determines a country's economic growth. Sources of investment funds can be seen through two approaches, domestic investment and foreign investment. One of the promising components of foreign investment is Foreign Direct Investment (FDI). FDI is considered more valuable for the country because it is more long-term in nature. This study aims to see the effect of Gross Domestic Product (GDP) and export-import as foreign trade activities on FDI, through estimation with panel data regression model. The data used is data from 20 countries with observation period from 2009 to 2018. With the Random Effect Model as the best model, which the estimators also qualify the BLUE estimator. it can be concluded that partially the GDP variable has no significant effect. Meanwhile, exports have a significant positive effect and imports have a significant negative effect on FDI.
投资是决定一个国家经济增长的因素之一。投资资金的来源可以通过国内投资和国外投资两种方式来看待。外国直接投资(FDI)是外国投资中有前途的组成部分之一。外国直接投资被认为对国家更有价值,因为它的性质更长期。本研究旨在通过面板数据回归模型估计国内生产总值(GDP)和进出口作为对外贸易活动对FDI的影响。使用的数据来自20个国家,观察期为2009年至2018年。以随机效应模型为最佳模型,该模型的估计量也符合BLUE估计量。可以得出部分GDP变量没有显著影响的结论。同时,出口对FDI有显著的正向影响,进口对FDI有显著的负向影响。
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引用次数: 0
Beberapa Graf Khusus Dari Grup Quaternion 四元数组的一些特种部队
Pub Date : 2021-07-01 DOI: 10.29303/EMJ.V1I1.74
Abdul Gazir S, I. W. Wardhana
Penelitian pada struktur aljabar yang direpresentasikan dalam teori graf membuka jalan munculnya penelitian baru pada beberapa tahun terakhir. Beberapa jenis graf baru terus dikembangkan seperti graf koprima dan non-koprima. Dalam artikel ini, grup quaternion akan direpresentasikan dalam beberapa graf seperti graf koprima, graf non-koprima, graf commuting , graf non-commuting dan graf identitas. Didapatkan beberapa teorema tentang graf khusus salah satunya adalah bentuk graf non-koprima dari grup quaternion adalah graf lengkap dan teratur.
对格拉比理论中所代表的代数结构的研究为过去几年的新研究开辟了道路。一些新的格拉夫人一直在开发,比如格拉夫ko质数和非co质数。在这篇文章中,quaternion这个群组将在更多的格拉夫中被代表,比如格拉夫的ko质数、格拉夫的非对偶性、格拉夫的commuting、格拉夫的非对偶性和格拉夫恒等式。获得了一些关于特种部队的定理,其中之一是由四元数组的非对偶格式的正规和正规的格拉比组成。
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引用次数: 0
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EIGEN MATHEMATICS JOURNAL
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