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Penggunaan Metode K-Means Cluster Untuk Mengklasifikasikan Kemampuan 4C Mahasiswa 使用k -手段集群来评估4C学生的能力
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-12-06 DOI: 10.22487/2540766x.2021.v18.i2.15615
M Nurhidayati, N Khasanah
{"title":"Penggunaan Metode K-Means Cluster Untuk Mengklasifikasikan Kemampuan 4C Mahasiswa","authors":"M Nurhidayati, N Khasanah","doi":"10.22487/2540766x.2021.v18.i2.15615","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i2.15615","url":null,"abstract":"The K-means method is a non-hierarchical belongs to an algorithmic technique for grouping items into K clusters by minimizing the SS sum of square (SS) distance to the centroid cluster. In the K-means method, the number of clusters can be determined by the researchers themselves. The K-means method can be applied to all fields, including education. In facing the 21st century, many students must equip themselves with many abilities, including critical thinking, collaboration, communication, and creativity and innovation, referred to as 4C abilities. This study aims to apply the K-means method to classify students' 4C abilities. The population in this study were students of the English Language State Institute of Islamic Studies Ponorogo class of 2017 and class of 2018. The sampling technique was carried out using the stratified random sampling method with a sample size of 71 divided into 30 students of the 2017 class and 41 students of the 2018 class. In identifying outliers, it is known that 16 students enter outlier detection not to be analyzed. The results of the classification using the K-means method showed that there were three groups with a composition of 20 students in the high group, 20 students in the medium group, and 15 students in the low group with an R2 value of 41.7%. Based on the test results of ANOVA, it is known that the three groups, based on their ability level, have differences. These results showed that each group formed had a noticeable difference, albeit with an R2 value that was not large.","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130072377","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: 0
Modifikasi Metode Householder Tiga Parameter yang Bebas Turunan Kedua dengan Orde Konvergensi Optimal 对Householder方法进行了三次无导数参数的修改，该参数具有最佳收敛顺序
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15434
Wartono, M. Zulianti, Rahmawati
{"title":"Modifikasi Metode Householder Tiga Parameter yang Bebas Turunan Kedua dengan Orde Konvergensi Optimal","authors":"Wartono, M. Zulianti, Rahmawati","doi":"10.22487/2540766x.2021.v18.i1.15434","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15434","url":null,"abstract":"The Householder’s method is one of the iterative methods with a third-order convergence that used to solve a nonlinear equation. In this paper, the authors modified the iterative method using the expansion of second order Taylor’s series and approximated its second derivative using equality of two the third-order iterative methods. Based on the results of the study, it was found that the new iterative method has a fourth-order of convergence and requires three evaluations of function with an efficiency index of 1,587401. Numerical simulation is given by using several functions to compare the performance between the new method with other iterative methods. The results of numerical simulation show that the performance of the new method is better than other iterative methods.","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125707897","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: 0
Model Transportasi dalam Meminimumkan Biaya Distribusi Beras Kemasan 运输模型以最小化包装大米的分配成本
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15496
V. S. Adoe
{"title":"Model Transportasi dalam Meminimumkan Biaya Distribusi Beras Kemasan","authors":"V. S. Adoe","doi":"10.22487/2540766x.2021.v18.i1.15496","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15496","url":null,"abstract":"Rice is a strategic commodity that a very important role as the main staple food for the majority of people in Indonesia. Rice has its own distribution development pattern that provides added value to business actors. \"CV. Hidup Baru Jaya\" is a company in Kupang City that is engaged in distributing packaged rice from storage warehouses to several storage warehouses in other areas. In distributing the rice, the company tries to reduce or minimize the distribution costs incurred in order to obtain optimal profit. Mathematically, the transportation model is one solution that can be used to solve this rice distribution problem. By using POM-QM V4 as the optimal solution tool, it was found that the company could distribute 125 sacks of Raja Kupang rice to the Malaka Warehouse; 150 sacks of rice to Rote Warehouse, 75 sacks to Malaka Warehouse and 200 sacks to Atambua Warehouse for Stroberry rice; Nona Timor rice was 200 sacks to Semau Warehouse, 50 sacks to Rote Warehouse and 200 sacks to Sulamu Warehouse. Thus, the company profits Rp. 20,000,000, -.","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132674133","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: 0
Analisis Kemampuan Penggunaan Teknologi Informasi Mahasiswa dalam Pembelajaran Matematika di Era Pandemi Covid-19 分析科维-19大流行学生在数学学习中的信息技术使用能力
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15492
S. F. Sihotang, R. Ramadhani
{"title":"Analisis Kemampuan Penggunaan Teknologi Informasi Mahasiswa dalam Pembelajaran Matematika di Era Pandemi Covid-19","authors":"S. F. Sihotang, R. Ramadhani","doi":"10.22487/2540766x.2021.v18.i1.15492","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15492","url":null,"abstract":"The Covid-19 pandemic had a major impact on various sectors, including the education sector. All schools and colleges in almost all countries affected by Covid-19 have implemented online learning. After being run for one-year, online learning conditions cannot be considered ideal because there are still various obstacles faced, especially in terms of the students' ability to use information technology. Facts that I found on my campus, there are still many students who find it difficult in terms of applications used and in terms of methods or processes of online learning. Thus, this study aims to analyze the influence of students' ability to use information technology variables on the difficulties experienced by students during online learning with E-learning media assistance in terms of applications used and in terms of learning methods or processes online during mathematics learning in the Covid-19 pandemic outbreak. The research method used in this study is structural equation modelling (SEM) analysis, to test the hypothesis. After conducting the research, the results obtained stated that the most positive and significant impact on students' ability to use information technology, namely the applications used during online learning variable compared to the online learning method or process variables themselves during mathematics learning in the Covid-19 pandemic outbreak.","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116430604","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: 3
Kendali Optimal Pada Model Penyebaran Penyakit Difteri dengan Tingkat Imunitas Alami Pada Individu Terpapar 对白喉疾病传播模型的最佳控制，以及个体暴露的自然免疫水平
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15339
N. Izzati, A. Andriani
{"title":"Kendali Optimal Pada Model Penyebaran Penyakit Difteri dengan Tingkat Imunitas Alami Pada Individu Terpapar","authors":"N. Izzati, A. Andriani","doi":"10.22487/2540766x.2021.v18.i1.15339","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15339","url":null,"abstract":"Indonesia is one of the countries where has not been free from diphtheria outbreak. During 2017-2019, there were 2870 diphtheria cases with 96 deaths. With the mortality rate 5-20%, makes studies regarding diphtheria prevention and management strategies become important to do. In this study, a SEIQR mathematical model was constructed by considering the factor of natural immunity rate in exposed individuals. Then, by considering the complete basic immunization coverage and the proportion of the number of individuals with natural immunity rate as control variables, the optimal control problem is formulated to minimize the number of infected poopulation. Optimal control using DOTcvpSB toolbox obtained that the number of exposed population in the model decreased from 4.9% to 0.75%, and the number of infected population decreased from 3.1% to 0.32%.","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"6 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132495941","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: 0
Pengukuran Conditional Value At Risk (CVAR) Pada Aset Tunggal dengan Metode Simulasi Monte Carlo
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15524
T. N. Ondja, S. Musdalifah, D. Lusiyanti, Andri
{"title":"Pengukuran Conditional Value At Risk (CVAR) Pada Aset Tunggal dengan Metode Simulasi Monte Carlo","authors":"T. N. Ondja, S. Musdalifah, D. Lusiyanti, Andri","doi":"10.22487/2540766x.2021.v18.i1.15524","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15524","url":null,"abstract":"Conditional value at risk (CVaR) merupakan suatu ukuran risiko yang memperhitungkan kerugian melebihi tingkat Value at risk (VaR). Tujuan dalam penelitian ini adalah mendapatkan hasil pengukuran Conditional Value at Risk (CVaR) pada aset tunggal dengan menggunakan metode simulasi Monte Carlo. Data yang digunakan dalam penelitian ini ialah harga penutupan saham harian PT. Bank Central Asia Tbk (BBCA.JK) dengan tingkat kepercayaan . Dari hasil perhitungan CVaR pada tingkat kepercayaan 99%, menghasilkan nilai CVaR sebesar . Hal ini dapat diartikan bahwa ada keyakinan sebesar  kerugian yang mungkin akan diderita investor tidak akan melebihi  dalam jangka waktu satu hari setelah tanggal 30 September 2020, atau dengan kata lain ada kemungkinan sebesar  bahwa kerugian investasi pada periode tersebut sebesar  atau lebih dalam jangka waktu satu hari dengan dana awal yang diinvestasikan sebesar Rp","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128597742","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: 0
Analisis Kestabilan Model Seak Pada Penyebaran Penyakit Filariasis
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15537
A. Wahyudin, R. Ratianingsih, N. Nacong
{"title":"Analisis Kestabilan Model Seak Pada Penyebaran Penyakit Filariasis","authors":"A. Wahyudin, R. Ratianingsih, N. Nacong","doi":"10.22487/2540766x.2021.v18.i1.15537","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15537","url":null,"abstract":"Filariasis or elephantiasis is a disease caused by infection of filarial worms. This research studies the spread model of elephantiasis disease that is influenced by the birth rate, the natural mortality rate, the transfer rate of susceptible exposed mosquito to the exposure due to the interaction between susceptible mosquito and infected human population, the transfer rate of exposed mosquito to the infected, the transfer rate of vulnerable human to the exposure human populations as a result of the mosquito and susceptible human intraction, the transfer rate of exposed human population to the infected human population, and the transfer rate of the infected human population to chronically human population. Filariasis disease spread model is built in form of Susceptible - Exposed - Acute - Kronic (Seak). The model is a nonlinear differential equations system of dependent variables that are the vulnerable, exposed, infected human populations, and chronic and vulnerable exposed, and infected mosquito population.  The  model  has  a  critical  point  namely   that represents the free-disease conditions and the critical point  that represents an endemic condition. The critical points is analyzed using the method of linearized stability and Routh Hurwitz criteria.  is the vertical point stable while   is unstable. The result indicates that the free- disease condition is settled, while the endemic will be left in a long time period. It could also be interpreted that the endemic have a chance be overcome.","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128654565","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: 0
Penentuan Jalur Terpendek Pendistribusian Barang Jalur Nugraha Ekakurir (JNE) Menggunakan Algoritma Semut (Studi Kasus JNE Dewi Sartika Palu) 使用蚂蚁算法(研究JNE Dewi Sartika了如指掌)的最短路径
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15536
Musdalipa, A. Sahari, A. Najar
{"title":"Penentuan Jalur Terpendek Pendistribusian Barang Jalur Nugraha Ekakurir (JNE) Menggunakan Algoritma Semut (Studi Kasus JNE Dewi Sartika Palu)","authors":"Musdalipa, A. Sahari, A. Najar","doi":"10.22487/2540766x.2021.v18.i1.15536","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15536","url":null,"abstract":"Nowasday, it is often done traveling from one place or location to another by considering the path or the shortest route to be traveled. In determining the shortest route by implementing the ant algorithm to determine the shottest route. This case is a case of the traveling salesmen problem (TPS) namely visiting all location points starting from the starting point and ending at the starting point again. Case study in this research is delivery data of JNE courier palu. The sample used is 13 points which are then resolved using the ant algorithm adopts the ant work method to get the shortest route. The use of the ant algorithm in this case is limited to one  cycle or one iteration (NC=1) so that the best route for the first cycle is obtained JNE Gudang utama dewi sartika palu( JNE jalan banteng No.8a biromaru palu selatan (  JNE basuki rahmat ( ), JNE jalan anoa No.107 pau selatan (   JNE diponegoro lere palu barat(  JNE emysaelan No.20 palu selatan (  JNE sisingamangaraja palu (  JNE jalan kimaja palu barat ( ), JNE krajalemba No.7 sigi biromaru (  JNE jalan tombolotutu palu  JNE samratulangi No.66 A palu (  ), JNE tondo kamus mantikulore (  JNE diponegoro lere palu barat (  anddcome back to JNE gudang utama dewi sartika palu (  ) with a distance of 56.4 km.","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121494281","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: 0
Pelabelan Selimut Bintang Ajaib Super Pada Graf Bintang
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15479
N. Mattiro, I. W. Sudarsana
{"title":"Pelabelan Selimut Bintang Ajaib Super Pada Graf Bintang","authors":"N. Mattiro, I. W. Sudarsana","doi":"10.22487/2540766x.2021.v18.i1.15479","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15479","url":null,"abstract":"Let  be a simple graph. An edge covering of  is a family of subgraphs  such that each edge of graph  belongs to at least one of the ,  subgraphs. If each  is isomorphic with the given graph , then it is said that contains a  covering. The graph G contains a covering  and   the bijectif function  is said an the magic labeling of a graph G if for each subgraph  of  is isomorphic to , so that is a constant. It is said that the graph G has a super magic if  in this case, the graph G which can be labeled with  magic is called the covering graph  magic. A star graph with n points is a graph with  points and  sides, where point is  degree and the other  point has degree  denoted by . This study aims to determine the presence of covering labeling for the super-magic star on the  star graph. The research methodology is literature study. The results show that the  star graph for   has   magic covering labeling with magic constants for all covering is  and the super-magic covering labeling with magic constants for all covering is .","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124873537","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: 0
Dua Formula Eksponensial (Operator Linear dari Semigrup)
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Pub Date : 2021-06-14 DOI: 10.22487/2540766x.2021.v18.i1.15500
L. Meisaroh
{"title":"Dua Formula Eksponensial (Operator Linear dari Semigrup)","authors":"L. Meisaroh","doi":"10.22487/2540766x.2021.v18.i1.15500","DOIUrl":"https://doi.org/10.22487/2540766x.2021.v18.i1.15500","url":null,"abstract":"Assumed A is infinitesimal generator of C0-semigroup T(t) on X. This could be defined as T(t)=etA, applies if A is a bounded linear operator. Not if A is unbounded linear operator, then it will result in one possibility that show T(t) could be represented as etA. This paper will discuss and detail the proof of the other two formulas that show T(t) could be represented as etA.","PeriodicalId":259622,"journal":{"name":"JURNAL ILMIAH MATEMATIKA DAN TERAPAN","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125281431","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: 0
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