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All Journal BAREKENG: Jurnal Ilmu Matematika dan Terapan Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan Jurnal Riset dan Pengabdian Masyarakat Jurnal Teknologi Lingkungan Transcendent Journal of Mathematics and Applications Jurnal Kelautan dan Perikanan Indonesia
Yuni, Syarifah Meurah
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Penerapan Konsep Geometri Transformasi Terhadap Perancangan Desain Piagam Penghargaan Pegawai BPKP Perwakilan Aceh Maysarah, Siti; Yuni, Syarifah Meurah; Zuhra, Rahma; Irawati, Cut
Jurnal Riset dan Pengabdian Masyarakat Vol. 4 No. 1 (2024): Jurnal Riset dan Pengabdian Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M) Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/jrpm.v4i1.2424

Abstract

Design or designing is a process of planning and creating a new object which is carried out by taking into account various aspects which include beauty, symmetry, and aesthetics as well as various other aspects. The design process can also be referred to as visual problem solving which includes organizing, creating, and evaluating to produce the desired work. An award charter is a media that contains writing in the form of an official statement and is used as a form of appreciation for one's achievements or accomplishments. The award certificate is created through the design process first, where all ideas are conveyed through the creation of objects in the design. In designing the charter design, the concept of transformation geometry can be applied to get changes in location and presentation based on several types of transformations, so that later a design will be produced according to the needs and desires. The types of transformation geometry that will be used include translation, rotation, reflection, and dilation. The concept of this transformation geometry is used in the design and determination of the charter design to be given to BPKP Aceh Representative employees who excel.
Penerapan Teorema Residu Cauchy dalam Integral Tak Wajar Hanim, Safiatun; Murida, Eva; Ramadhani, Rizka Aulia; Yuni, Syarifah Meurah; Syahrini, Intan
Transcendent Journal of Mathematics and Applications Vol 3, No 2 (2024)
Publisher : Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/tjoma.v3i2.39119

Abstract

This article discusses the application of Cauchy's Residue Theorem to improper integrals of real functions. The theorem states that the integral along a simple closed contour is equal to 2i times the sum of the residues of the function at single points located inside the contour. Furthermore, the article describes various methods for determining the residues, including the use of Laurent series and Taylor series. In addition, Jordan's lemma is also referenced in this article. Cauchy's Residue Theorem on improper integrals can be employed to resolve integrals that are challenging to compute using traditional real analysis methods. By identifying the residue of the integral at a singularity within a closed contour, the integral along the contour can be evaluated. The application of the residue theorem to improper integrals can be expressed in a specific form to facilitate calculation. This method offers several advantages over conventional methods. Some of the sources consulted in the preparation of this article include the following publications: Complex Analysis, Residue Theorem and Its Applications, and Calculus Applications in Physics Lectures.
Prediction of the Population of Banda Aceh City Using the Laplace Transformation Syafira, Nurul; Murida, Eva; Hanim, Safiatun; Yuni, Syarifah Meurah; Amri, Saiful; Hafnani, Hafnani; Nurmaulidar, Nurmaulidar
Transcendent Journal of Mathematics and Applications Vol 3, No 1 (2024)
Publisher : Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/tjoma.v3i1.38764

Abstract

Population prediction is an estimate of the population in the future based on assumptions from the population growth rate. Based on data from the Central Statistics Agency (BPS), the population in Banda Aceh City is increasing every year with an average growth of around 2%. The purpose of this research is to predict the population in Banda Aceh City using the Laplace transformation on exponential model. The exponential model is a simple model to describe population growth patterns. Using Laplace transformation can easily get a difinitive analytic solution. The Laplace transformation of the exponential model is used to calculate the growth rate with data on the population of Banda Aceh City in 2015-2022. Based on the results of the study, the value of the growth rate (r) is obtained from determining the precentage error (MAPE) of each model to determine the predicted value that is closest to the actual value. So, model VII is the most accurate with a value (r) is 0,00412. The result of this study also show that model VII is used to predict the population in Banda Aceh City in 2030 when is 266.259 people.
PERBANDINGAN KARAKTERISTIK SEDIMEN PADANG LAMUN DI PERAIRAN AHMAD RHANG MANYANG DAN UJUNG PANCU KABUPATEN ACEH BESAR Hasibuan, David Chalik; Ulfah, Maria; Purnawan, Syahrul; Yuni, Syarifah Meurah; Setiawan, Ichsan
JURNAL GEOLOGI KELAUTAN Vol 23, No 1 (2025)
Publisher : Pusat Penelitian dan Pengembangan Geologi Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32693/jgk.23.1.2025.845

Abstract

Pesisir Aceh memiliki kondisi pantai yang saling memiliki hubungan timbal balik diantaranya ekosistem Bakau (mangrove), lamun dan terumbu karang. Perbandingan karakteristik kondisi sedimen sampai dengan nilai statistik perlu di lakukan di padang lamun perairan Aceh Besar untuk melihat jenis sedimen dan komponen statistik pendukung keberadaan vegetasi lamun. Metode yang digunakan dalam penentuan titik stasiun adalah metode purposive sampling, sedangkan pengambilan sampel menggunakan metode pemboran dan pengambilan data lamun menggunakan metode transek plot. Lokasi penelitian berada di perairan Ahmad Rhang Manyang dan Perairan Ujung Pancu. Nilai statistik pada kedua perairan memiliki kemiripan dari nilai ukuran butiran rata-rata (mz), sorting, skewness dan kurtosis. Secara keseluruhan sedimen perairan memiliki antara 2,49
THE IMPLEMENTATION OF GEOGRAPHICALLY WEIGHTED REGRESSION (GWR) METHOD ON OPEN UNEMPLOYMENT RATE IN REGENCY/CITY OF SUMATRA ISLAND Yuni, Syarifah Meurah; Saputra, T. Murdani; Fadhilah, Nadya Nur
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 19 No 1 (2025): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol19iss1pp73-86

Abstract

Unemployment is a condition where a person who is included in the labor force but does not have a job and is not actively looking for work. The number of unemployed is measured using the Open Unemployment Rate (OUR) indicator. OUR is obtained by comparing the number of job seekers and the number of labor force. This study aims to obtain a model of OUR in each district / city of Sumatra Island and what factors influence it using the Geographically Weighted Regression (GWR) method and Fixed Gaussian Kernel Function weighting, and describe predictor variables on thematic maps. The GWR method is one of the statistical methods that can prevent the presence of spatial aspects in the data. The parameters estimated by the local regression model vary at each location point and are estimated using the Weighted Least Square (WLS) method. Based on the research results obtained from this study, the GWR models obtained amounted to 154 different local models in each district / city on the island of Sumatra. Variables Labor Force Participation Rate, Population Growth Rate, Population Density and Average Years of Schooling have a significant influence on each location, meanwhile variable Percentage of Poor Population and variable Poverty Line have no influence on any location. These variables are able to explain the OUR by 57.2%, where the remaining 42.8% is explained by other factors that are not explained in the model.
Implementation of Minimum Demand Method (MDM) in Decide an Initial Feasible Solution of Transportation Problem Nurmaulidar, Nurmaulidar; Yuni, Syarifah Meurah; Fauzan, Muhammad Atta
Transcendent Journal of Mathematics and Applications Vol 4, No 1 (2025)
Publisher : Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/tjoma.v4i1.49237

Abstract

This study investigates the effectiveness of the Minimum Demand Method (MDM) in determining an initial feasible solution (IBFS) for the Rastra rice distribution problem managed by Perum Bulog in West Sumatra, Indonesia. Unlike traditional methodsNorth-West Corner (NWC), Least Cost (LC), and Vogels Approximation Method (VAM)MDM prioritizes allocation to destinations with the smallest demand, aiming to minimize cost fragmentation and improve solution quality. The original transportation model was unbalanced, requiring a dummy source to achieve feasibility. IBFS values were computed using POM-QM for Windows 4, followed by optimality verification via the Modified Distribution (MODI) method. Results show MDM yields the lowest total cost at IDR 25,227,010, outperforming NWC (IDR 27,967,340), LC (IDR 25,821,810), and VAM (IDR 25,821,810). MODI confirmed MDMs solution as optimal, with zero improvement indices, validating its efficiency. Compared to the next-best method, MDM achieves a 2.3% cost reduction, and a 9.8% saving relative to NWC. This confirms MDMs superiority in generating high-quality IBFS without increasing computational complexity. The study demonstrates that MDM is not only simple and intuitive but also highly effective for large-scale public logistics systems, offering a practical alternative to conventional techniques in real-world distribution planning.
PENGARUH SUHU PERMUKAAN LAUT TERHADAP HASIL TANGKAPAN IKAN TUNA SIRIP KUNING DI TPI IE MEULEE KOTA SABANG Marni, Putri; Affan, Junaidi M.; Setiawan, Ichsan; Yuni, Syarifah Meurah; El Rahimi, Sayyid Afdhal; Rizwan, Thaib; Isbah, Faliqul
Jurnal Kelautan dan Perikanan Indonesia Vol 4, No 1: April (2024)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jkpi.v4i1.36718

Abstract

Perairan Kota Sabang merupakan perairan yang berbatasan langsung dengan Samudra Hindia yang memiliki potensi perikanan yang cukup besar dengan berbagai jenis ikan yang bernilai ekonomis penting salah satunya adalah ikan tuna sirip kuning (Thunnus albacares). Ikan tuna sirip kuning merupakan salah satu jenis ikan yang banyak didaratkan oleh nelayan-nelayan TPI Lhok Ie Meulee terutama pada musim barat. Penyebaran dan kelimpahan perikanan tuna, dipengaruhi oleh beberapa faktor oseanografi. Salah satunya adalah suhu permukaan laut dan faktor lingkungan perairan lainnya. Hal ini karena perubahan suhu permukaan laut dapat mengubah distribusi ikan tuna yang akan mempengaruhi penangkapan ikan. Untuk mengetahui parameter oseanografi suhu permukaan laut di perairan Indonesia secara luas, metode konvensional sangat sulit dilakukan karena membutuhkan biaya yang besar dan waktu yang lama. Hal ini mendorong penggunaan teknologi satelit untuk mengamati fenomena oseanografi, khususnya suhu permukaan laut. Produktivitas tangkapan di Perairan Pulau Sabang Sampai saat ini belum ada informasi yang jelas mengenai dampak kondisi oseanografi atau parameter perairan laut Sabang terhadap produktivitas tangkapan ikan madidihang yang didaratkan di lokasi penangkapan ikan Ie Meulee. Penelitian ini bertujuan untuk mengetahui pengaruh suhu permukaan laut terhadap jumlah hasil tangkapan Ikan Tuna Sirip Kuning (Thunnus albacares) yang didaratkan pada bulan November di TPI Lhok Ie Meulee Kota Sabang. Penelitian dilakukan pada tanggal 1 November 20 November 2022 yang bertempat di Tempat Pendaratan Ikan Ie Meulee Kota Sabang. Metode yang digunakan dalam penelitian ini adalah metode deskriptif kuantitatif yang mana menggunakan data hasil tangkapan ikan tuna sirip kuning dan data citra satelit Aqua Modis yang kemudian dianalisis menggunakaan regresi linier sederhana. Hasil penelitian menunjukan bahwa terdapat korelasi hubungan yang signifikan suhu terhadap ikan tuna sirip kuning dimana sebesar 32,7% faktor tertangkapnya ikan tuna sirip kuning dipengaruhi oleh suhu. Didapatkan juga bahwa t hitung lebih besar daripada t tabel yang mengindikasikan bahwa variabel suhu berpengaruh nyata terhadap hasil tangkapan ikan tuna sirip kuning dengan nilai sig sebesar 0,008 dengan memperhitungkan a = 0,05 dan suhu permukaan laut tertangkapnya ikan tuna di perairan Sabang ialah di rentang rata-rata suhu 28C -29C dengan rata-rata hasil tangkapan perhari adalah 251 kg.
Determination of Water Quality Status using the Seawater Pollution Index Method in Eastern Sabang City : Penentuan Status Mutu Perairan dengan Metode Indeks Pencemaran Air Laut di Timur Kota Sabang Fadli, Mufthi; Setiawan, Ichsan; Ilhamsyah, Yopi; Yuni, Syarifah Meurah; Puspa, Yessi Andriani; Lifriza, Lifriza
Jurnal Teknologi Lingkungan Vol. 27 No. 1 (2026): Jurnal Teknologi Lingkungan
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Abstrak Pemantauan kualitas perairan merupakan hal yang penting untuk dilakukan, khususnya di perairan pesisir yang umumnya rentan terhadap pencamaran perairan. Wilayah Kota Sabang merupakan kawasan yang potensial dikembangkan untuk sektor pariwisata. Dengan tingginya rumah tangga perikanan dan adanya aktivitas antropogenik dikhawatirkan dapat menurunkan kualitas perairan di wilayah timur Kota Sabang. Tujuan penelitian ini adalah untuk mengevaluasi kondisi perairan laut terhadap aktivitas wisata bahari di Pantai Timur Kota Sabang dengan menggunakan metode indeks pencemaran dari tahun 2020 sampai 2022 di Mata Ie Resort dan Sumur Tiga. Metode penganalisisan dilakukan dengan indeks pencemaran menggunakan data sekunder dari DLHK Kota Sabang dengan data musim kemarau dari tahun 2020 sampai 2022. Hasil analisis pengukuran parameter fisika, kimia, dan biologi didapatkan bahwa karakteristik ketercemaran air pada tahun 2020 di Sumur Tiga tercemar sedang (5,1) dan di Mata Ie Resort tercemar sedang (5,3); pada tahun 2021 di Sumur Tiga tercemar ringan (4,9) dan di Mata Ie Resort tercemar ringan (4,3); dan 2022 di Sumur Tiga tercemar sedang (5,1) dan di Mata Ie Resort tercemar ringan (4,8). Perairan yang memiliki nilai di atas ambang batas baku mutu yang telah ditetapkan tidak hanya membahayakan kehidupan biota dan lingkungan laut, tetapi juga dapat membahayakan kesehatan manusia, serta dapat merugikan secara sosial ekonomi. Secara keseluruhan pemantauan kualitas perairan perlu dilakukan secara terus menerus di Perairan Timur Kota Sabang agar kondisi lingkungan perairannya tetap terjaga sehingga tidak berdampak buruk pada wisatawan yang berkunjung dan melakukan aktivitas wisata bahari.   Abstract Water quality monitoring is essential, especially in coastal waters, which are generally vulnerable to water pollution. Sabang City is a potential area for development in the fisheries sector. With the high number of fishing households and anthropogenic activities, it is feared that they can reduce water quality in the eastern region of Sabang City. The purpose of this study was to evaluate the condition of marine waters for marine tourism activities on the east coast of Sabang City using the pollution index method from 2020 to 2022 at Mata Ie Resort and Sumur Tiga. The analysis method uses the Pollution Index, secondary data from DLHK Sabang City, and dry season data from 2020 to 2022. The results of the analysis of measurements of physical, chemical and biological parameters showed that the characteristics of water pollution in 2020 in Sumur Tiga were moderately polluted (5.1) and in Mata Ie Resort were moderately polluted (5.3); in 2021 in Sumur Tiga were lightly polluted (4.9) and in Mata Ie Resort were lightly polluted (4.3); and 2022 in Sumur Tiga were moderately polluted (5.1) and in Mata Ie Resort were lightly polluted (4.8). Waters that have values above the predetermined quality standard threshold not only endanger the life of biota and the marine environment, but can also endanger human health and be detrimental socio-economically. Overall, the water quality of the eastern waters of Sabang City needs to be monitored to maintain the environmental conditions for sustainable marine tourism activities
Co-Authors El Rahimi, Sayyid Afdhal Fadhilah, Nadya Nur Fadli, Mufthi Faliqul Isbah Fauzan, Muhammad Atta Hafnani Hafnani Hanim, Safiatun Hasibuan, David Chalik Ichsan Setiawan Irawati, Cut Junaidi M. Affan Lifriza, Lifriza Maria Ulfah Marni, Putri Murida, Eva Nurmaulidar Nurmaulidar Puspa, Yessi Andriani Rahma Zuhra Ramadhani, Rizka Aulia Saiful Amri Saputra, T Murdani Siti Maysarah Syafira, Nurul Syahrini, Intan Syahrul Purnawan Thaib Rizwan, Thaib Yopi Ilhamsyah