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Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi
Published by Universitas Negeri Gorontalo
ISSN : 20879393     EISSN : 27763706     DOI : -
Core Subject : Science, Education,
Computer Science & IT Mathematics
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi is a national journal intended as a communication forum for mathematicians and other scientists from many practitioners who use mathematics in the research. Euler disseminates new research results in all areas of mathematics and their applications. Besides research articles, the journal also receives survey papers that stimulate research in mathematics and its applications. The scope of the articles published in this journal deal with a broad range of mathematics topics, including: Mathematics Applied Mathematics Statistics and Probability Applied Statistics Mathematics Education Mathematics Learning Computational Mathematics Science and Technology
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 5 Documents
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Search results for , issue "EULER: Volume 7 Issue 2 December 2019" : 5 Documents clear
PERBANDINGAN REGRESI LOGISTIK BINER DAN PROBIT BINER DALAM PEMODELAN TINGKAT PARTISIPASI ANGKATAN KERJA Hendra H. Dukalang
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi EULER: Volume 7 Issue 2 December 2019
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/euler.v7i2.10355

Abstract

Regression is a data analysis method used to model the relationship between one response variable and one or more predictor variables. In regression modelling, data is often used. In general, the regression model that is often used is simple or multiple regression in modelling where the response variable is quantitative data. The fundamental difference from regression models using quantitative data is the main objective is to estimate the average value of the dependent variable using certain values of the independent variable. Whereas in a regression model with a qualitative dependent variable the main objective is to find the probability of something happening (probability model). One of the development methods of the regression model for data with qualitative response variables is Logistic and Probit regression. The purpose of this study was to compare the best model using binary logistic regression with binary probit regression in the case of Labor Force Participation Rate (TPAK) in Gorontalo City. The research method used is quantitative research methods, with binary logistic regression modelling and binary probit regression. The results showed that the variable that has a significant effect on TPAK Gorontalo City is the open unemployment rate, and the best model between the binary logistic regression model with an AIC value of 1.289 is smaller than the AIC value of the binary Probit regression 1.318, likewise from the R2 value the R2 value for regression is obtained. binary logistic of 12.74%, greater than the R2 value of binary probit regression of 10.70%.
DESKRIPSI PEMAHAMAN KONSEP MATEMATIKA PADA MATERI BANGUN RUANG SISI LENGKUNG Khardiyawan A.Y. Pauweni; Kartin Usman; Abdul Wahab Abdullah; Rusydiy Rusydiy
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi EULER: Volume 7 Issue 2 December 2019
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/euler.v7i2.10336

Abstract

This research is a descriptive study with a qualitative approach to analyze the understanding of mathematical concepts on the curved side of the building material. The research was conducted at SMP Negeri 2 Kabila involving 21 students as research subjects. Indicators used to describe students' understanding of mathematical concepts include (1) restating a concept, (2) Classifying objects according to certain properties according to the concept, (3) Presenting concepts in various forms of mathematical representation, (4) Applying problem-solving concepts or algorithms, written tests. Furthermore, interviews were conducted to deepen information about students' understanding of mathematical concepts. The results of the analysis showed that the students 'understanding of mathematical concepts on the curved side of the building material was classified as moderate, which was shown by the students' ability that only fulfilled part of the indicators of understanding the measured mathematical concepts.
ANALISIS KEMAMPUAN BERPIKIR METAFORA PADA POKOK BAHASAN BARISAN DAN DERET Sri Yelinda Tama; Sumarno Ismail; Franky A. Oroh; Abas Kaluku
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi EULER: Volume 7 Issue 2 December 2019
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/euler.v7i2.10339

Abstract

This study aims to describe students' metaphorical thinking ability on the subject sequences and series. The research was conducted using a descriptive method involving 32 students of SMA Negeri 1 Gorontalo Utara as research subjects. The instrument used was an essay test to obtain data on metaphorical thinking skills and interviews to complement and strengthen the information that came from giving tests on the subject sequence and series. The data analysis technique used is in the form of a percentage with standard deviation categorization criteria, to determine the level of students' metaphorical thinking ability. The results of the analysis showed that the students' metaphorical thinking ability in the subject sequences and series were in the medium category.
OPTIMASI PENJADWALAN WAKTU KERJA MENGGUNAKAN INTEGER PROGRAMMING Windra Tahir; Djihad Wungguli; Muhamad Rezky Friesta Payu
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi EULER: Volume 7 Issue 2 December 2019
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/euler.v7i2.10343

Abstract

Scheduling workers is one of the problems faced by every company. The regulations set by the company, the availability of the number of workers, and the division of labor are the determining factors in the scheduling system. This worker scheduling problem can be modeled as an Integer Programming problem. Integer Programming is an optimization technique with linear objective functions, linear constraint functions, and integer variables. This paper discusses the formulation of worker scheduling problems in the form of Integer Programming with workers in companies engaged in the production of Crumb Rubber with the objective function of minimizing the number of workers employed. The next model is implemented using the help of LINGO 11.0 software. The implementation results show that the model is able to produce optimal employee schedules.
BILANGAN TERHUBUNG TITIK PELANGI PADA AMALGAMASI GRAF BERLIAN Afifah Farhanah Akadji; Dennynatalis Taha; Narti Lakisa; Nisky Imansyah Yahya
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi EULER: Volume 7 Issue 2 December 2019
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/euler.v7i2.10345

Abstract

Suppose there is a simple, and finite graph G = (V, E). The coloring of vertices c is denoted by c: E(G) → {1,2, ..., k} with k is the number of rainbow colors on graph G. A graph is said to be rainbow connected if every pair of points x and y has a rainbow path. A path is said to be a rainbow if there are not two edges that have the same color in one path. The rainbow connected number of graph G denoted by rc(G) is the smallest positive integer-k which makes graph G has rainbow coloring. Furthermore, a graph is said to be connected to rainbow vertex if at each pair of vertices x and y there are not two vertices that have the same color in one path. The rainbow vertex connected to the number of graph G is denoted by rvc(G) is the smallest positive integer-k which makes graph G has rainbow coloring. This paper discusses rainbow vertex-connected numbers in the amalgamation of a diamond graph. A diamond graph with 2n points is denoted by an amalgamation of a diamond graph by adding the multiplication of the graph t at point v is denoted by Amal (Brn,v,t).

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