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Contact Name
Resmawan
Contact Email
resmawan@ung.ac.id
Phone
+6285255230451
Journal Mail Official
editorial.rimans@gmail.com
Editorial Address
Jl. Jenderal Sudirman No. 65, Kota Gorontalo 96115, Gorontalo, Indonesia
Location
Kota gorontalo,
Gorontalo
INDONESIA
Research in the Mathematical and Natural Sciences
ISSN : -     EISSN : 28286804     DOI : https://doi.org/10.55657/rmns
Core Subject : Science, Education,
Research in the Mathematical and Natural Sciences (RiMaNs) is a national journal intended as a communication forum for mathematicians and other scientists from many practitioners who use mathematics in their research. RiMaNs disseminate 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, Natural Sciences and its applications. The scope of the articles published in this journal deals with a broad range of mathematics and natural sciences topics, including Mathematics, Applied Mathematics, Statistics and Probability, Applied Statistics, Mathematics Education, Mathematics Learning, Computational Mathematics, Science and Technology, Computer Science, Artificial Intelligence, Optimization.
Articles 50 Documents
Analisis Dinamik Model Predator-Prey dengan Struktur Usia dan Perilaku Anti-Predator Al Idrus, Ainun Sukmawati; Abd. Gani, Ayub Prianto; Zaid, Nurlaila
Research in the Mathematical and Natural Sciences Vol. 1 No. 2 (2022): May-October 2022
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.085 KB) | DOI: 10.55657/rmns.v1i2.63

Abstract

This article discusses the Predator-prey Holling type II model involving age structure and anti-predator behaviour. The age structure is given to the predator population, which is divided into two, namely juvenile predators and adult predators, while in the prey population, there is anti-predator behaviour, namely the tendency to defend against predator attacks. The model analysis includes the determination of a fixed point, analysis of the stability of the fixed point and numerical simulation. Three fixed points were obtained, namely the fixed point of population extinction (), the fixed point of predator extinction and the fixed point of population existence. Stability analysis shows that is always a saddle while and are conditionally stable. Furthermore, it is shown that the two conditions are both stable nodes. At the end, a simulation shows that the population dynamics that occur are highly dependent on the initial conditions of the population and the value of the anti-predator behaviour parameter of the prey population.
Pengaruh Model Problem Based Learning Terhadap Kemampuan Berpikir Kreatif Matematis Siswa pada Materi Kubus dan Balok Selfiani, Selfiani; Machmud, Tedy; Resmawan, Resmawan; Ismail, Yamin
Research in the Mathematical and Natural Sciences Vol. 1 No. 2 (2022): May-October 2022
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (215.116 KB) | DOI: 10.55657/rmns.v1i2.66

Abstract

This study discusses the effect of the Problem Based Learning model on students' mathematical creative thinking skills on cube and cuboid material. The research was carried out using an experimental method involving students of SMP Negeri 3 Limboto Barat as research subjects. The research design used is Post Test Only Control Design. Sampling was carried out using the Simple Random Sampling technique. Measuring mathematical creative thinking ability is done using a test instrument that has met the requirements of item validity and instrument reliability requirements. The results showed that applying the Problem-Based Learning model in learning significantly influenced students' creative thinking skills on cube and cuboid material. This can be seen from students' mathematical creative thinking ability in learning using the Problem-Based Learning model, which is higher than students' mathematical creative thinking ability in direct learning.
Deskripsi Kemampuan Penemuan Konsep Siswa pada Materi Turunan Fungsi Aljabar Dali, Sri Maulana; Ismail, Sumarno; Oroh, Franky Alfrits; Mohidin, Abdul Djabar
Research in the Mathematical and Natural Sciences Vol. 1 No. 2 (2022): May-October 2022
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (180.66 KB) | DOI: 10.55657/rmns.v1i2.67

Abstract

This study aims to describe students' discovery abilities in the learning process and when facing problems in the material derived from algebraic functions. The research was carried out in one of the Senior high schools in Gorontalo. This research is a type of qualitative descriptive research. The subjects of this study were students of class XI who opened 318 people. The techniques used in data collection are initial tests, interviews, documentation, and observation. Data analysis techniques in this study are data reduction, data presentation and conclusions. The results showed that students' discovery abilities on the derivative material of algebraic functions varied. Some have high abilities, medium abilities, and low abilities, but in general, they are dominated by students who have moderate abilities.
Pengaruh Model Pembelajaran Problem-Solving Terhadap Kemampuan Berpikir Kreatif Siswa Pada Materi Pola Bilangan Suna, Ramla; Mohidin, Abdul Djabar; Katili, Nancy; Abdullah, Abdul Wahab; Majid, Majid
Research in the Mathematical and Natural Sciences Vol. 1 No. 2 (2022): May-October 2022
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.782 KB) | DOI: 10.55657/rmns.v1i2.68

Abstract

This study aims to determine the effect of using the Problem-Solving learning model on students' Creative Thinking Ability with Number Patterns. This study involved 40 students as the research sample consisted of two classes, every 20 students in class A and 20 students in class B. The research method used was Experimental research with Pretest-Posttest Control Group Design. The data collection technique was obtained through the pre-test and post-test results, and the data analysis technique used the covariance analysis test. The analysis results show that the creative thinking ability of students who are taught using the Problem-Solving model is better than the creative thinking skills of students trained using the direct learning model.
Analisis Pemahaman Matematika Dalam Pembelajaran Menggunakan Multimedia Interaktif Pada Materi Segiempat Paputungan, Insyirah; Mohidin, Abdul Djabar; Majid, Majid
Research in the Mathematical and Natural Sciences Vol. 2 No. 1 (2023): November 2022-April 2023
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v2i1.71

Abstract

This study is a descriptive study aimed to describe the student’s mathematical understanding analysis in learning using interactive multimedia in the content of quadrangles to the 4th graders of SDN No. 98 Kota Utara. The research subjects comprised 4th graders students at SDN No. 98 Kota Utara, which amounts to 23 students. The techniques for collecting data in this research take the form of an 8-problem to expose. To measure how a student’s mathematical understanding is used 4 indicators include: (1) classifying objects according to certain qualities (according to the concept), (2) giving examples and non-examples of concepts, (3) restating a concept, (4) applying a problem-solving concept or algorithm. The study showed that the mathematics understanding of students in 4th grade in SDN No. 98 Kota Utara after learning through multimedia interactive was in enough category with a high percentage of 55.07%. As for the results of each indicator, obtained percentages, among others, are 60.87% for the first indicator and classified in the high category, 55.07% for the second indicator and classified in enough category, 63.77% for the third indicator and classified in the high category, and 43.84% for the fourth indicator and classified in enough category.
Perbandingan Model ARIMA-RBF dan ARIMA-GARCH dalam Peramalan Time Series Inflasi Provinsi Gorontalo Emiro, Awalia; Hasan, Isran K; Achmad, Novianita
Research in the Mathematical and Natural Sciences Vol. 2 No. 1 (2023): November 2022-April 2023
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v2i1.76

Abstract

A quantitative method that is observed sequentially from time to time is a time series. In the real word, problems often occur where one method is not able to solve the problem. This research used linear and nonlinear methods by combining the ARIMA-RBF anda ARIMA-GARCH models in forecasting, and then the two models were compared based on the MAPE value. This research used monthly data on inflation for housing, water, electricity, and other fuels from 2008 to 2020. The forecast results from the ARIMA-RBF model obtained the MAPE value of 7.5%, and the ARIMA-GARCH model obtained the MAPE value of 11.8%. thus, the best model for predicting inflation in this research was the ARIMA RBF model.
Metode North West Corner dengan Uji Modified Distribution Untuk Meminimumkan Biaya Distribusi Gas Elpiji Chintia Dewi, Anna; Achmad, Novianita; Payu, Muhammad Rezky Friesta
Research in the Mathematical and Natural Sciences Vol. 2 No. 1 (2023): November 2022-April 2023
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v2i1.86

Abstract

Penelitian ini bertujuan untuk mengetahui biaya minimum pendistribusian tabung LPG 3kg dengan metode North West Corner dengan uji optimal Modified Distribution. Penelitian ini dilakukan di dua Agen yaitu PT. Toyungo dan PT.Hasanah Inti Bumi Abadi. Adapun kegunaan dari penelitian ini untuk meningkatkan dan memperbaiki sistem distribusi perusahaan. Metode analisis yang digunakan adalah menggunakan model transportasi. Dari Hasil penelitian dan perhitungan menunjukkan bahwa tidak ada perbedaan biaya optimal antara perhitungan metode North West Corner dengan Uji Optimal Modified Distribution. Biaya minimum dengan metode North west Corner dengan uji optimal Modified Distribution pada distribusi tabung LPG 3kg menghasilkan biaya sebesar Rp. 1.447.530.100.
Deteksi Citra Ikan Nila dan Mujair Menggunakan Metode Jaringan Syaraf Tiruan Propagasi Balik Windharta Oei, Smily; Yahya, Lailany; Wiranto, Ifan
Research in the Mathematical and Natural Sciences Vol. 2 No. 1 (2023): November 2022-April 2023
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v2i1.85

Abstract

Nile Tilapia and Mozambique Tilapia fish are different, but from the same genus, Oreochromis, these two fish are closely related and have a similar appearance. Therefore, many buyers often find it difficult to distinguish them. This research employs one method in machine learning that is always use to classify image, called Backpropagation in Artificial Neural Network. There were two stages in this study, first was feature extraction using convolution. Second was the learning process using the backpropagation algorithm. Before classification, the image data were prepared by cropping to focus on the classified object. Then from the 254 images, they were divided into three groups, 140 image were for training data, 60 images were for validation data, and 54 were for testing data. The result conluded that the success rate and accuracy reached 74,07% from the total data. To conclude, this method had successfully applied.
Pengaruh Model Problem-Based Instructional Berbasis Blended-Learning Terhadap Hasil Belajar Siswa Ditinjau dari Kecemasan Matematis Siswa Hasan, Zulfikar; Pomalato, Sarson W. DJ.; Uno, Hamzah B.
Research in the Mathematical and Natural Sciences Vol. 2 No. 1 (2023): November 2022-April 2023
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v2i1.102

Abstract

This study aims to determine the effectiveness of the problem-based instructional learning model based on blended learning on learning outcomes in terms of students' mathematical anxiety. The research was conducted at SMK Negeri 3 Gorontalo. The type of research is Quasi Experiment with treatment design by level 2 x 2 using two-way analysis test and Tukey test. The results showed that the problem-based instructional learning model based on blended learning was effectively applied to students with low mathematical anxiety. This is indicated by the learning outcomes of students who have low mathematical anxiety in problem-based instructional learning based on blended learning of 85.39, better than the learning outcomes of students who have low mathematical anxiety indirect learning, which is only 63.44. This result is also strengthened through the -test with a significant level of 5% and showing .
Optimasi Sistem Antrian M/G/C dan Penerapannya Pada Pelayanan Servis Sepeda Motor Ririn Dehi; Achmad, Novianita; Wiranto, Ifan
Research in the Mathematical and Natural Sciences Vol. 2 No. 2 (2023): May-October 2023
Publisher : Scimadly Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55657/rmns.v2i2.103

Abstract

This study discusses the performance of the queuing system in optimizing service at motorcycle service. This research was conducted at PT. Hasjrat Abadi-Yamaha Gorontalo, the research was conducted by taking primary data for 27 days at 08.00 - 12.00. The variables used are customer arrival time data and customer service time. The results showed that the queuing system at the motorcycle service station is the arrival time distribution, namely the Poisson distribution, while the service time distribution is the general distribution. So the queuing system at the motorcycle service center follows the model (M/G/6)(GD∞/∞)From the calculation of the performance tables of several different servers, it has been found that the performance of the queuing system contained in the motorbike service is optimal using 5 servers. Testing the distribution of arrival time and customer service is carried out using SPSS.25 software.