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All Journal International Journal of Electrical and Computer Engineering International Journal of Informatics and Communication Technology (IJ-ICT) International Journal of Advances in Applied Sciences TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics International conference on Information Technology and Business (ICITB) Annual Research Seminar Proceeding of the Electrical Engineering Computer Science and Informatics JPSriwijaya Science and Technology Indonesia Demography Journal of Sriwijaya Jurnal Penelitian Sains BAREKENG: Jurnal Ilmu Matematika dan Terapan Justek : Jurnal Sains Dan Teknologi MATAPPA: Jurnal Pengabdian Kepada Masyarakat Teorema: Teori dan Riset Matematika QARDHUL HASAN: MEDIA PENGABDIAN KEPADA MASYARAKAT Jurnal Pengabdian Magister Pendidikan IPA INSIST (International Series on Interdisciplinary Research) Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Indonesian Journal of Electrical Engineering and Computer Science Journal of Applied Science, Engineering, Technology, and Education Griya Journal of Mathematics Education and Application Jurnal Pengabdian dan Edukasi Sekolah (Jubaedah) International Journal of Science and Society (IJSOC) Uninus Journal of Mathematics Educations and Science (UJMES) Jurnal Pepadu Jurnal Pendidikan dan Pengabdian Masyarakat Aksi Kita: Jurnal Pengabdian Kepada Masyarakat
Fitri Maya Puspita
Universitas Sriwijaya
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Improve fractal interpolation function with Sierspinski triangle Susanti, Eka; Puspita, Fitri Maya; Supadi, Siti Suzlin; Yuliza, Evi; Fadhila Chaniago, Redina An
Indonesian Journal of Electrical Engineering and Computer Science Vol 36, No 3: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v36.i3.pp1485-1492

Abstract

Interpolation techniques can be used to determine the approximate value of a parameter if it is known that two values are bound to a certain interval. Interpolation can be done numerically or fractal. The fractal interpolation value is influenced by the vertical scale factor and the fractal interpolation function (FIF). This research introduces fractal interpolation technique with FIF which is constructed from Sierspinski triangles. As an example of application, the interpolation technique is applied to determine the approximate value of the rice demand parameter in the inventory model. The accuracy of the interpolation results is determined using the mean absolute percentage error (MAPE). The number of triangles obtained and the interpolation values for each successive iteration are 3???? and 3????+1. MAPE values from 6 to 9 iteration were 24.603%, 24.603%, 23.858%, 23.772% respectively. There is a decrease in the value of MAPE, this indicates an increase in the value of the accuracy of the interpolation results. It can be concluded that the MAPE value is also influenced by the number of iterations of the interpolation technique.
PENGAPLIKASIAN MODEL MATEMATIKA TERHADAP KESEIMBANGAN BAHAN DENGAN TEKNIK ECO ENZYME DALAM PENDAMPINGAN PEMUPUKAN BAYAM BRAZIL DI DESA PULAU SEMAMBU INDRALAYA Puspita, Fitri Maya; Octarina, Sisca; Yuliza, Evi; Hanum, Laila; Aryani, Robeah; Hernanda, Eggyana Deri
Jurnal Pepadu Vol 5 No 4 (2024): Jurnal PEPADU
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v5i4.5857

Abstract

Konsep model matematika sudah banyak diterapkan dalam berbagai bidang, dalam hal ini terhadap pendampingan pemupukan tanaman, khususnya bayam brazil. Dengan menggunakan teknik eco enzyme yang sesuai memberikan hasil panen yang optimal (maksimal) dalam konsep model matematika. Jenis tanaman yang mudah dibudidayakan salah satunya adalah bayam brazil. Tanaman tersebut merupakan salah satu jenis sayuran yang sangat memiliki banyak manfaat untuk dikonsumsi dan diolah oleh masyarakat. Kegiatan pendampingan tersebut adalah suatu proses pengabdian terhadap masyarakat tentang pentingnya pemupukan bayam brazil mengunakan eco enzyme (EE) dalam konsep model matematika sederhana. Suatu cairan multifungsi yang disebut dengan EE dari proses fermentasi sampah organik yang biasa dijumpai di dapur rumah tangga seperti berbagai jenis sayuran dan kulit buah yang beraneka macam. EE juga berguna sebagai pupuk yang efisien dan tidak merusak lingkungan. Selain itu, manfaat dari cairan tersebut dapat digunakan untuk mengusir hama pada tanaman serta sebagai pupuk tanah dan tanaman. Oleh sebab itu, pada pengabdian masyarakat ini dipilihlah EE sebagai cairan yang berguna untuk pupuk pada bayam brazil sesuai model matematika terhadap keseimbangan bahannya.
PENDAMPINGAN PENGEMBANGAN ALAT PERAGA EDUKATIF DALAM PEMBELAJARAN MATEMATIKA BAGI GURU SEKOLAH DASAR DI DESA PELABUHAN DALAM KECAMATAN PEMULUTAN Octarina, Sisca; Indrawati, Indrawati; Puspita, Fitri Maya; Bangun, Putra Bahtera Jaya; Yuliza, Evi
Jubaedah : Jurnal Pengabdian dan Edukasi Sekolah (Indonesian Journal of Community Services and School Education) Vol. 4 No. 3 (2024): Jurnal Pengabdian dan Edukasi Sekolah (Jubaedah)
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/jub.v4i3.270

Abstract

It is a fallacy to assume that mathematics can be taught in a one-way manner, whereby the teacher reads the material and students sit and listen. In order to facilitate comprehension of the material being taught, a variety of teaching aids are required. A further challenge is that not all teachers have the time to create their teaching aids. Furthermore, the creation of teaching aids necessitates a considerable degree of creativity. Not all educational institutions have the financial resources to procure instructional materials, particularly those in public schools in underprivileged regions. The objective of this activity is to assist in the development of educational teaching aids for teachers and educators in elementary schools in Pelabuhan Dalam Village, Pemulutan District, Ogan Ilir Regency, South Sumatra. This activity will enhance students' engagement and comprehension of the subject matter presented by the instructor. The mentoring activity is comprised of several stages, commencing with a survey, a presentation of material on the creation of teaching aids, tutorials on the construction of said aids, and concluding with the practical application of said aids by the activity participants. The activity was conducted over four meetings and ended with a post-test to assess the participants' comprehension of the mentoring material that had been provided. The participants in this service activity were 14 elementary school teachers and educators. The implementation team consisted of four lecturers from the Department of Mathematics, Faculty of Mathematics and Natural Sciences, Sriwijaya University, and eight students. The results of the test demonstrated that 92.8% of participants scored above 80, and 85.7% of participants indicated that they strongly agreed that this mentoring activity was beneficial and hoped that it could be continued
Model of Improved Set Covering Location Problem in Determining The LRT Musi Emas Feeder Stops: Route LRT DJKA Station - Plaju Terminal Octarina, Sisca; Puspita, Fitri Maya; Yuliza, Evi; Indrawati; Tasiah, Mawar
Science and Technology Indonesia Vol. 10 No. 2 (2025): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.2.320-335

Abstract

This study aims to determine the optimal location of the LRT Musi Emas Feeder stops Corridor 5 in conjunction with the LRT DJKA Station-Plaju Terminal route. Light Rail Transit (LRT) is a rapid transit system that employs an integrated rail crossing model. At present, the LRT remains a primary mode of daily transportation for the residents of Palembang. One of the initiatives undertaken by the government to facilitate the utilization of LRT transportation is the provision of passenger transportation (feeder services). The positioning of the feeder stops remains suboptimal and needs more integration with existing public facilities. The distance between the stop locations is highly variable, with some nearby and others at considerable distances. This issue is addressed through the formulation of the Set Covering Problem (SCP) model, which encompasses the Set Covering Location Problem (SCLP) and Maximal Covering Location Problem (MCLP) models, as well as the development of the Improved SCLP model. The SCP model yields four optimal stop locations, which are significantly distant from the actual conditions at the site. In contrast, the Improved SCLP model identifies 48 optimal feeder stops mapped using Geographic Information System (GIS) software. This map of feeder stops could inform the Palembang City Transportation Agency’s efforts to develop an integrated transportation management system.
Pengelolaan Penanaman Bayam Brazil Pada Tanah Tandus Secara Matematika dengan Menggunakan Eco-Enzyme Puspita, Fitri Maya; Venty; Tri Handayani; Reza Andeka; Fidella Oktariana; Destia Maharani; Dewi Lisandra; Ayu Nursafitri; Laila Hanum; Evi Yuliza; Sisca Octarina; Yolanda Fitria
Aksi Kita: Jurnal Pengabdian kepada Masyarakat Vol. 1 No. 4 (2025): AGUSTUS
Publisher : Indo Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/xmh3gt88

Abstract

Penanaman Bayam Brazil (Alternanthera sissoo) di lahan kritis seperti tanah tandus dan rawan banjir memerlukan pendekatan pengelolaan yang inovatif. Penelitian ini membahas strategi pengelolaan berbasis eco-enzyme yang dikombinasikan dengan pemodelan matematika untuk mengoptimalkan pertumbuhan dan hasil tanaman. Eco-enzyme hasil fermentasi limbah organik, terbukti meningkatkan kesuburan dan retensi air tanah. Dalam praktiknya, pengelolaan dilakukan melalui persiapan tanah, aplikasi dosis eco-enzyme yang terukur, serta evaluasi pertumbuhan tanaman secara berkala. Evaluasi menunjukkan peningkatan pertumbuhan dan hasil tanaman secara signifikan. Penelitian ini menunjukkan bahwa pengelolaan berkelanjutan berbasis matematika dan teknologi bio-organik seperti eco-enzyme dapat menjadi solusi adaptif terhadap perubahan iklim dan degradasi lahan.
Improved Dynamic Spectrum and Traffic Management Model Based on Demand Response and Heterogeneous Incentives with Perfect Substitute Utility Function Puspita, Fitri Maya; Octarina, Sisca; Yunita; Ramadhany, Adinda Putri; Yuliza, Evi
Science and Technology Indonesia Vol. 10 No. 3 (2025): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.3.766-776

Abstract

The purpose of this research is to design and optimize a demand response based-selfish user Cloud Radio Access Network (C-RAN) model to demonstrate with a narrow-minded client utilizing three financing plans specifically level charge, usage-based, and two-part tariff. The Traffic data is classified into incoming data and outgoing data, obtained from a local server in Palembang. The optimal solution is obtained by determining the decision variables and parameters used in each case for all models, compiling improved C-RAN models as many as 2 models, namely model I, and model II, and then determining the optimal solution and sensitivity analysis using LINGO 13.0 software. The most optimal solution is obtained from model II with a flat-fee scheme in case 1 of IDR 3299.7/kbps with 45 iterations. The results of the sensitivity analysis is on the variables ak,m that allows the increase and decrease in the objective function coefficient. At the same time, the value 0 will be constant.
PENDAMPINGAN PENGGUNAAN GOOGLE COLAB PADA PEMBELAJARAN PYTHON DAN MACHINE LEARNING BAGI DOSEN MATEMATIKA DI PALEMBANG Octarina, Sisca; Puspita, Fitri Maya; Yuliza, Evi; Indrawati, Indrawati
Jurnal Pepadu Vol 6 No 1 (2025): Jurnal Pepadu
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v6i1.6457

Abstract

Learning and research in higher education have experienced many challenges and problems, especially after the Covid-19 pandemic. However, these challenges have been overcome using online learning platforms such as Moodle University, Zoom, Google Meetings, and Microsoft Teams. However, this has not been fully resolved in the field of research. It is sometimes complicated for research teams to work together on research. Research records or research logbooks are not quickly sent via email. In addition, research records, such as computer programming, require direct handling of the program that has been created without copying and pasting. Mathematics research also requires fast and dynamic access. Google Colab is a Google collaboration that provides free, cloud-based tools for education and research. Google Colab is particularly eye-catching because it gives users free access to GPU services as a computing backend that can be used for 12 hours. If you want to learn Python and machine learning, buying a computer with an additional GPU is unnecessary. The training process in these two fields is tricky, especially if the equipment is inadequate. Mathematics lecturers in Palembang need assistance because lecturers' knowledge about Google Colab is still very low. The implementation team conducted a mentoring activity on using Google Colab for machine learning and Python through the Zoom platform. The activity consists of several stages: explanation, tutorial, and practice.
Permainan Edukatif Berbasis Lingkungan Sebagai Upaya Perkembangan Kognitif dan Motorik Bagi Siswa Sekolah Dasar Yuliza, Evi; Cahyono, Endro Setyo; Nurnawati, Elisa; Puspita, Fitri Maya; Indrawati; Octarina, Sisca
Qardhul Hasan: Media Pengabdian kepada Masyarakat Vol. 11 No. 2 (2025): Qardhul Hasan: Media Pengabdian kepada Masyarakat
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/qh.v11i2.19274

Abstract

Permainan edukatif adalah bentuk permainan yang dirancang untuk memberikan pengalaman belajar yang lebih mendalam dalam proses belajar. Pengabdian ini bertujuan untuk meningkatkan perkembangan kognitif dan motorik siswa SD melalui permainan edukatif berbasis lingkungan. Pembelajaran berbasis lingkungan memberikan manfaat lain yaitu membuat materi pelajaran terasa lebih nyata dan mudah diterima. Metode yang digunakan dalam kegiatan ini bersifat edukatif, yakni mengandung unsur-unsur pembelajaran yang memotivasi siswa untuk berkembang ke arah yang diharapkan. Permainan edukatif berbasis lingkungan yang direkomendasikan pada siswa SD meliputi permainan harta karun, permainan tebak-tebakan dan permainan ular tangga. Kegiatan pengabdian menunjukkan bahwa siswa dapat meningkatkan kemampuan kognitif seperti pemahaman mengenai perbedaan sampah organik dan anorganik, serta keterampilan motorik melalui aktivitas fisik dalam permainan. Selain itu, permainan ini juga efektif dalam mempererat hubungan sosial antar siswa, meningkatkan kerjasama dalam kelompok, dan menciptakan suasana belajar yang menyenangkan.
OPTIMIZATION OF RICE INVENTORY USING FUZZY INVENTORY MODEL AND LAGRANGE INTERPOLATION METHOD Susanti, Eka; Puspita, Fitri Maya; Yuliza, Evi; Supadi, Siti Suzlin; Dwipurwani, Oki; Dewi, Novi Rustiana; Ramadhan, Ahmad Farhan; Rindarto, Ahmad
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 17 No 3 (2023): BAREKENG: Journal of Mathematics and Its Applications
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol17iss3pp1215-1220

Abstract

Interpolation is a method to determine the value that is between two values and is known from the data. In some cases, the data obtained is incomplete due to limitations in data collection. Interpolation techniques can be used to obtain approximate data. In this study, the Lagrange interpolation method of degree 2 and degree 3 is used to interpolate the data on rice demand. A trapezoidal fuzzy number expresses the demand data obtained from the interpolation. The other parameters are obtained from company data related to rice supplies and are expressed as trapezoidal fuzzy numbers. The interpolation accuracy rate is calculated using Mean Error Percentage (MAPE). The second-degree interpolation method produces a MAPE value of 30.76 percent, while the third-degree interpolation has a MAPE of 32.92 percent. The quantity of order respectively 202677 kg, 384610 kg, 1012357 kg, 1447963 kg, and a Total inventory cost of Rp. 129231797951.
DETERMINING THE OPTIMAL TEMPORARY WASTE DISPOSAL SITES IN THE ALANG-ALANG LEBAR SUB-DISTRICT PALEMBANG USING THE P-CENTRE LOCATION PROBLEM AND P-MEDIAN PROBLEM MODELS Octarina, Sisca; Armalia, Divasanda; Suprihatin, Bambang; Bangun, Putra BJ; Cahyono, Endro Setyo; Puspita, Fitri Maya; Yuliza, Evi; Indrawati, Indrawati
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 18 No 4 (2024): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol18iss4pp2685-2702

Abstract

The rapid development of Palembang City comes with an increase in population and a proportionate increase in waste. Providing Temporary Waste Disposal Sites (TWDS) with ideal locations is one way to address the waste problem in Palembang City. The location of the existing TWDS could be more regular and optimal. The problem of determining the optimal TWDS location can be solved by optimization science, as classified in the Set Covering Problem (SCP) model. The SCP model is divided into the -Center Location Problem and -Median Problem models. This study aims to determine the optimal locations for TWDS in the Alang-Alang Lebar Sub-District, Palembang City, by comparing the results of the p-Center Location Problem and p-Median Problem models. Initially, the Alang-Alang Lebar Sub-District had 33 TWDS. After formulating the Set Covering Location Problem and Maximal Covering Location Problem models, we obtain the optimal solution, which we then solve using the -Center Location Problem and -Median Problem models. Based on the results and discussion, the optimal TWDS can meet the demand of each village in the Alang-Alang Lebar Sub-District. The -Center Location Problem and -Median Problem models produce the same optimal TWDS, namely TWDS Pramuka 2 Street and around, TWDS Colonel Sulaiman Amin Street, TWDS Talang Kelapa Ujung, and TWDS Beside Soekarno Hatta Street. This study recommends using both models to determine the optimal TWDS.
Co-Authors Adinda Putri Ramadhany, Adinda Putri Ahmadi, Adik Anggi Nurul Pratiwi Ani Sahara Br. Simanjuntak Arden Naser Yustian Simarmata Armalia, Divasanda Aryani, Robeah Ayu Nursafitri Ayu Wulandari Bahok M. Taib, Bahok M. Bambang Suprihatin Bella Arisha Bella Juwita Rezky Darmawijoyo, Darmawijoyo Des Alwine Zayanti, Des Alwine Desta Wahyuni Destia Maharani Dewi Lisandra Dian Wahyuni Diyaz Rachmaningtyas Eka Susanti Elisa Nurnawati Endro Setyo Cahyono, Endro Setyo Evi Yuliza, Evi Fadhila Chaniago, Redina An Ferani Eva Zulvia Fidella Oktariana Fitra Nur Azizah Haryati Pane Helmayanti, Rizky Hernanda, Eggyana Deri Icha Puspita Novyasti Iffah Husniah Indrawati Indrawati Indrawati Inosenisus Nadeak Inosensius Nadeak Irmeilyana Ismail Abdullah, Ismail Juniwati Juniwati Kurniadi, Elika Laila Hanum Malica Putri Amdes Meiza Putri Lestari Muthia Ulfa Nadia Zuliaty Syaputri Nadia Zuliaty Syaputri Ning Eliyati Novi Rustiana Dewi Novita Sari Nuraini, Anggun Oki Dwipurwani Oky Sanjaya Pratiwi, Weni Dwi Prayoga, Nafisah Aura Putra Bahtera Jaya Bangun, Putra Bahtera Jaya Putra BJ Bangun, Putra BJ Qatrunnada, Dhiya Rachmaningtiyaz, Diyaz Rahayu Tamy Agustin Rahmadia, Putri Rama Dani, M Ardi Ramadhan, Ahmad Farhan Rani Elekta Togatorop Reza Andeka Rima Melati Rindarto, Ahmad Rizki, Krisda Robinson Sitepu Rohania Rohania Sabana, Aprilia Nur Sarjani, Ita Shintya Apriliyani Simarmata, Ruth Helen Sisca Octarina Siti Suzlin Supadi Somakim, Somakim Sri Erlita Sri Erlita Supadi, Siti Suzlin Tampubolon, Farah Nabilah Tasiah, Mawar Tri Handayani Ulandari, Mazida Venty Wenny Herlina Yolanda Fitria YUNITA Yunita Yunita Yunita Yunita Yusuf Hartono