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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 CAUCHY: Jurnal Matematika Murni dan Aplikasi Bulletin of Electrical Engineering and Informatics Annual Research Seminar Science and Technology Indonesia Demography Journal of Sriwijaya Jurnal Penelitian Sains BAREKENG: Jurnal Ilmu Matematika dan Terapan Teorema: Teori dan Riset Matematika QARDHUL HASAN: MEDIA PENGABDIAN KEPADA MASYARAKAT Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat INSIST (International Series on Interdisciplinary Research) Jurnal Gema Ngabdi 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 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 Jurnal Matematika Integratif Aksi Kita: Jurnal Pengabdian Kepada Masyarakat JMA
Evi Yuliza, Evi
Universitas Sriwijaya
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Analysis of Information Service Pricing Scheme Model Based on Customer Self-Selection Indrawati; Fitri Maya Puspita; Resmadona; Evi Yuliza; Oki Dwipurwani; Sisca Octarina
Science and Technology Indonesia Vol. 6 No. 4 (2021): October
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.2021.6.4.337-343

Abstract

This study attempts to analyze pricing schemes with monitoring cost and marginal cost for perfect substitute and quasi-linear utility functions for achieving Internet service Provider (ISP) in gaining benefit. Two types of customers analyzed, namely customers who are heterogeneous (both high-end and low-end) as well as heterogeneous customers (high-demand and low-demand) based on Flat-fee, usage-based, and two-part tariff are the three types of pricing methods employed. The results show that usage-based pricing schemes gain maximum profit optimal for heterogeneous customers (high-end and low-end), while for heterogeneous customers (high-demand and low-demand) type of pricing scheme two-part tariff obtains maximum profit optimal. The results of this study are more directed to the lemma of the perfect substitute utility function which compares the lemma of heterogeneous customers. This model was solved using LINGO 13.0 software and ISP to get maximum profit.
PENDAMPINGAN PEMANFAATAN GEOGEBRA UNTUK MENINGKATKAN KEMAMPUAN TEKNOLOGI INFORMASI GURU SD MATEMATIKA DI KECAMATAN PEMULUTAN DALAM MEMBUAT MEDIA PEMBELAJARAN Jurnal Pepadu; Sisca Octarina; Putra Bahtera; Jaya Bangun; Indrawati Indrawati; Fitri Maya Puspita; Evi Yuliza
Jurnal Pepadu Vol. 4 No. 1 (2023): Jurnal Pepadu
Publisher : LPPM UNIVERSITAS MATARAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v4i1.2241

Abstract

Kemampuan setiap guru pastilah berbeda. Banyak guru yang belum siap dalam menghadapi perubahan proses pembelajaran termasuk dalam pembelajaran Matematika. Pembelajaran Matematika seharusnya tidak hanya menekankan pada produk akhir, akan tetapi juga berorientasi pada proses. Pembelajaran Matematika membutuhkan visualisasi yang menarik untuk meningkatkan pemahaman siswa dalam belajar. Geogebra merupakan salah satu aplikasi pendukung visualisasi dalam Matematika. Keterampilan guru dalam penggunaan software dan aplikasi untuk pengembangan media pembelajaran dan pendidikan masih sangat kurang. Teknologi penggunaan software baik yang dapat diakses bebas maupun berbayar harus dipelajari sebagai sarana pendukung kegiatan pembelajaran. Kegiatan pengabdian kepada masyarakat ini bertujuan memberikan pendampingan pemanfaatan aplikasi Geogebra bagi guru SD Matematika di Desa Pemulutan Ogan Ilir Sumatera Selatan. Kegiatan diharapkan dapat meningkatkan kemampuan teknologi informasi guru Matematika dalam membuat media pembelajaran. Metode pelatihan yang digunakan adalah metode ekspositori, presentasi, dan tanya jawab. Kegiatan ini dimulai dengan cara instalasi, pengenalan tools yang ada pada software GeoGebra, cara menggunakannya, tutorial hingga evaluasi. Jumlah khalayak sasaran adalah 15 orang guru dan tenaga pendidik di Kecamatan Pemulutan Kabupaten Ogan Ilir. Tim pelaksana kegiatan pengabdian ini terdiri dari 4 orang dosen Jurusan Matematika Fakultas MIPA Universitas Sriwijaya dibantu oleh 10 orang mahasiswa sebagai pembantu pelaksana. Kegiatan pendampingan cukup berhasil yang ditunjukkan dengan hasil evaluasi, yaitu sebanyak 85% peserta mampu menyelesaikan tugas yang diberikan. Peserta aktif dalam kegiatan pendampingan dan dapat membuat media pembelajaran Matematika interaktif menggunakan Geogebra.
PEMANFAATAN APLIKASI QUIZIZZ SEBAGAI INOVASI MEDIA PEMBELAJARAN SISTEM HYBRID SAAT PANDEMI COVID-19 BAGI GURU DAN TENAGA PENDIDIK DI DESA IBUL BESAR PEMULUTAN Sisca Octarina; Putra Bahtera Jaya Bangun; Fitri Maya Puspita; Indrawati Indrawati; Evi Yuliza
Jurnal Pendidikan dan Pengabdian Masyarakat Vol. 5 No. 1 (2022): Februari
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (171.934 KB) | DOI: 10.29303/jppm.v5i1.3402

Abstract

Situasi pandemi Covid-19 menyebabkan proses pengajaran dan pembelajaran di tingkat sekolah dasar tidak semuanya dapat dilakukan secara daring. Daya tangkap siswa yang satu dengan siswa yang lain tidaklah selalu sama. Terlebih lagi jika proses penyampaian materi atau pembelajaran terlihat membosankan dan monoton. Salah satu cara untuk mengatasi hal ini adalah dengan menggunakan aplikasi pembelajaran berbentuk kuis atau ujian online dengan gambar dan musik yang banyak dikembangkan pada saat sekarang ini. Kegiatan pendampingan ini mengenalkan aplikasi Quizizz kepada guru dan tenaga pendidik di Desa Ibul Besar Pemulutan. Hasil kegiatan menunjukkan bahwa terjadi peningkatan pemahaman dari peserta akan penggunaan aplikasi Quizizz. Aplikasi ini dinilai cukup baik untuk diterapkan pada siswa Sekolah Dasar. Kegiatan pendampingan pemanfaatan aplikasi Quizizz sangat diperlukan sebagai inovasi media pembelajaran sistem hybrid, sehingga diharapkan dapat membantu dan mempermudah pelaksanaan proses belajar mengajar di sekolah.
Relasi Ekuivalen Serupa Semu pada Ring Reguler Stable Diperumum Evi Yuliza
Jurnal Matematika Integratif Vol 11, No 2: Oktober, 2015
Publisher : Department of Matematics, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (439.413 KB) | DOI: 10.24198/jmi.v11.n2.9421.97-102

Abstract

Dalam tulisan ini akan diselidiki relasi ekuivalen serupa semu pada ring reguler stable diperumum. Selanjutnya, akan diselidiki pula relasi ekuivalen serupa semu pada ring reguler stable diperumum dari himpunan bilangan bulat n. Awalnya, akan diselidiki relasi serupa semu bersifat refleksif pada ring reguler stable diperumum, relasi serupa semu bersifat simetris pada ring reguler stable diperumum dan relasi serupa semu bersifat transitif pada ring reguler stable diperumum. Kemudian, diselidiki relasi serupa semu bersifat refleksif pada ring reguler stable diperumum dari himpunan bilangan bulat n, relasi serupa semu bersifat simetris pada ring reguler stable diperumum dari himpunan bilangan bulat n dan relasi serupa semu bersifat transitif pada ring reguler stable diperumum dari himpunan bilangan bulat n.
Inventory Model for Deteriorating Pharmaceutical Items with Linear Demand Rate Indrawati; Puspita, Fitri Maya; Supadi, Siti Suzlin; Yuliza, Evi; Rizki, Krisda
Science and Technology Indonesia Vol. 9 No. 1 (2024): January
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.2024.9.1.148-155

Abstract

Good management of goods is needed so that the inventory activities of a business can run smoothly as the part of supply chain management which aims to monitor the flow of stock of goods from the purchasing process, and storage to the point of sale. In terms of inventory or supplies of pharmaceutical goods, conditions such as shortages or stockouts must also be considered which are a matter of control, management, and security. In this study, an inventory model is formulated with deterioration or damage to pharmaceutical goods that occurs due to the length of time when the goods are stored with a linear demand level. In the optimal solution, the inventory time occurs when it reaches the zero point (t1) of 0.34 and the cycle length (T1) of 0.83 with an average minimum total cost (TC) of $445.25 per cycle which is completed by WolframAlpha software. Sensitivity analysis changes the value results in the value of (TC) which that increases for all parameters. In increasing the linear function variables (a and b), it produces t1 and T1 stable values. An increase in the cost of each item damage (DC) and constant damage rate (theta) produces a t1 stable value, but the value of T1 increases. The increase in storage costs (h) results in a decrease in the value of t1 and T1. An increase in the cost of shortages (s) results in an increase in the value of t1 and a decrease in the value of T1.
Robust-Set Covering Problem and Sensitivity Analysis to Determine The Location of Temporary Waste Disposal Sites Octarina, Sisca; Bangun, Putra Bahtera Jaya; Cahyono, Endro Setyo; Suprihatin, Bambang; Sarjani, Ita; Puspita, Fitri Maya; Yuliza, Evi
Science and Technology Indonesia Vol. 9 No. 2 (2024): 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.2024.9.2.260-272

Abstract

The increasing population has resulted in a significant increase in the amount of waste. One effort that can be made to overcome the waste problem is to provide a Temporary Waste Disposal Site (TWDS). This research aims to optimize the TWDS in the Bukit Kecil sub-district, Palembang city, by formulating a Robust-Set Covering Problem (Robust-SCP) model and solving the model with the software. Sensitivity analysis is used to analyze the optimal solution. Bukit Kecil sub-district is the sub-district that has the highest number of TWDS in Palembang city. The robust-SCP model obtained 10 optimal TWDS. Therefore, this research recommends the Robust SCP model as the optimal solution for the determination of TWDS in the Bukit Kecil sub-district, namely TWDS Kartini Street, TWDS front of Starbucks KI Street, TWDS Merdeka Street, TWDS Illegal at 26 Ilir Market, TWDS Flat Block 35, TWDS Flat Block 49, TWDS Merdeka Women’s Prison, TWDS Musi Riverbank Park, TWDS Monpera, and TWDS Cinde Market, with the addition of TWDS Mayor’s Office in 22 Ilir village and TWDS Flat Block 01 in 23 Ilir village. The sensitivity analysis results in this study show that the solution remains optimal if the coefficient change is within the coefficient interval value.
Probabilistic Multi-Item Inventory Model for Chemicals in Regional Drinking Water Company Dwipurwani, Oki; Puspita, Fitri Maya; Supadi, Siti Suzlin; Yuliza, Evi
Science and Technology Indonesia Vol. 9 No. 4 (2024): October
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.2024.9.4.1024-1032

Abstract

Inventory management of chemicals in The Regional Drinking Water Company (Perusahaan Daerah Air Minum, PDAM) is known to play an essential role in ensuring the smooth production of clean water and preventing shortages of chemicals that can affect production. At present, 2 primary models for multi-item inventory replenishment are under consideration by PDAM, namely individual and joint replenishment of items. Therefore, this study aims to evaluate the efficiency and effectiveness of individual and joint replenishment models based on uncertain demand with specific probability distribution. The results showed that a probabilistic inventory model (Q, r) with individual replenishment for chemicals in PDAM was recommended.
Pendampingan Pemahaman Konsep Aljabar Untuk Menyelesaikan Soal Cerita Berbasis Lingkungan Pada Guru-Guru SD Yuliza, Evi
Qardhul Hasan: Media Pengabdian kepada Masyarakat Vol. 8 No. 3 (2022): DESEMBER
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/qh.v8i3.4714

Abstract

This community service activity aims to introduce the concept of algebra to solve environmental-based story problems so that the learning process becomes structured, directed and interesting. One of the difficulties experienced by elementary school students in learning mathematics is solving story problems. In this community service activity, elementary school teachers are provided with assistance in understanding algebraic concepts to solve environmental-based story problems. This community service activity is very necessary to improve the skills of elementary school teachers. The method applied in this mentoring activity is through lectures and discussions. Community service activities consist of 4 activities, namely providing material, discussing and filling out questionnaires. This community service activity provides an increase in elementary school teachers' understanding of the concept of algebra to solve environmental-based story problems. Teachers can also invite and teach students closer to the surrounding environment and can support other lessons.
Quasi linear and stone geary utility functions based-internet service financing scheme with marginal costs and monitoring costs Indrawati, Indrawati; Puspita, Fitri Maya; Yuliza, Evi; Dwipurwani, Oki; Octarina, Sisca; Helmayanti, Rizky
International Journal of Informatics and Communication Technology (IJ-ICT) Vol 13, No 2: August 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijict.v13i2.pp143-151

Abstract

The use of computer network technology is currently increasing, especially on the internet network. To connect to the actual internet, it is a task for internet service provider (ISP). Providing advantages to ISPs, it requires a financing scheme. This study's goal is to present a modified model for internet service financing schemes, within the customer choices and consumer satisfaction levels to maintain the schemes. To achieve the best outcomes, this updated model is built through marginal costs and cost monitoring while taking into account service quality based on stone-geary utility functions and quasi-linear utility functions. This research provides a solution regarding the differences in increasing consumer interest with payment options on model modification that will be provided. Traffic Digilib in a local server in Palembang. According to this study, a usage-based financing strategy and a two-part pricing of IDR 2727.8 per kbps will yield the highest revenues.
Pendampingan Pemupukan Bayam Brazil Dengan Eco Enzyme Dengan Keseimbangan Bahan Sesuai Pola Matematika Di Desa Pulau Semambu Indralaya Maya Puspita, Fitri; Octarina, Sisca; Yuliza, Evi; Hanum, Laila; Aryani, Robeah; Hernanda, Eggyana Deri
Jurnal Gema Ngabdi Vol. 6 No. 1 (2024): JURNAL GEMA NGABDI
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jgn.v6i1.417

Abstract

Brazilian spinach is a type of spinach that is very easy to cultivate and consume by the public because this plant is easy to plant and process and also has good health benefits when consumed. This mentoring activity, which is a community service activity regarding fertilizing Brazilian spinach, aims to provide maximum (optimal) harvest results using eco enzyme techniques that are appropriate to the dosage in the soil and plants with the concept of mathematical models. Eco Enzyme (EE) is a fermentation in the form of a multi-purpose liquid that comes from kitchen waste or organic waste such as fruit peels, vegetables and other food waste. EE can be used as an environmentally friendly fertilizer because this liquid can function as soil and plant fertilizer, eliminate pests, and can improve the quality of vegetables or fruit. Therefore, the selection of EE as fertilizer for Brazilian spinach plants with a balance of ingredients is in accordance with the mathematical model carried out in community service
Co-Authors Adik Ahmadi Adinda Putri Ramadhany, Adinda Putri Ahmadi, Adik Alfensi Faruk Ali Amran Aprilia Nur Sabana Arden Naser Yustian Simarmata Armalia, Divasanda Aryani, Robeah Ayu Nursafitri Ayu Wulandari AYU WULANDARI Bambang Suprihatin Bela Olivia Mareta Silaen Bella Juwita Rezky Desta Wahyuni Destia Maharani Dewi Lisandra Dian Wahyuni Diyaz Rachmaningtiyaz Diyaz Rachmaningtyas Eka Susanti Eka Susanti Elisa Nurnawati Endro Setyo Cahyono, Endro Setyo Fadhila Chaniago, Redina An Fidella Oktariana Fitri Maya Puspita Fitri Maya Puspita Fitri Maya Puspita Fitri Maya Puspita Fitri Maya Puspita Hadi Hadi Helmayanti, Rizky Hernanda, Eggyana Deri Indrawati Indrawati Indrawati Indrawati Indrawati Indrawati Indrawati Indrawati Jaya Bangun Jurnal Pepadu Laila Hanum Malica Putri Amdes Maya Puspita, Fitri Muthia Ulfa Nadia Zuliaty Syaputri Ning Eliyati Novi Rustiana Dewi Nur ‘Azah Nuraini, Anggun Oki Dwipurwani Oki Dwipurwani Pratiwi, Weni Dwi Putra Bahtera Putra Bahtera Jaya Bangun, Putra Bahtera Jaya Putra BJ Bangun, Putra BJ Qatrunnada, Dhiya Rachmaningtiyaz, Diyaz Rahayu, Fridha Aprisa Rahmadia, Putri Ramadani, Diah Putri Ramadhan, Ahmad Farhan Rani Elekta Togatorop Resmadona Reza Andeka Rindarto, Ahmad Rizki, Krisda Robinson Sitepu Rohania Rohania Rohania Rohania Sabana, Aprilia Nur Sarjani, Ita Simanjuntak, Pebriyanti Sisca Octarina Siti Suzlin Supadi Supadi, Siti Suzlin Tampubolon, Farah Nabilah Tasiah, Mawar Tia Amelia Tri Handayani Triyani Triyani Ulandari, Mazida Venty Wenny Herlina Weny Herlina Yolanda Fitria Yuli Andriani Yuni Kartika YUNITA Yunita Yunita Yunita Yunita Yusuf Hartono