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Al-Aqlu : Jurnal Matematika, Teknik dan Sains
Published by Yayasan Al-Amin Qalbu
ISSN : -     EISSN : 29854369     DOI : https://doi.org/10.59896/aqlu.v1i2
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Engineering Mathematics
Al-Aqlu : Jurnal Matematika, Teknik dan Sains (e-ISSN:2985-4369) merupakan wadah bagi para peneliti, akademisi dan praktisi untuk mempublikasikan karya ilmiah dalam bidang matematika, teknik dan sains
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 68 Documents
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SISTEM REKOMENDASI FILM MENGGUNAKAN METODE CONTENT BASED FILTERING DENGAN ALGORITMA TF-IDF: Movie Recommendation System Using Content-Based Filtering Method With TF-IDF Algorithm Febrian, Alvin; Permana, Ergy Dwi
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 4 No. 1 (2026): Januari 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v4i1.494

Abstract

The development of digital streaming platforms has led to information overload, making it difficult for users to choose a movie. This study aims to design and implement a movie recommendation system to address this issue. The method used is Content-Based Filtering (CBF), which focuses on textual content analysis. This system uses the Term Frequency-Inverse Document Frequency (TF-IDF) algorithm to weight words in movie synopses, and Cosine Similarity to calculate similarities between movies. The results of the study indicate that the system was successfully implemented. Functional tests showed that the system was able to provide highly relevant recommendations when the synopsis keywords were unique, such as in the 'Batman' test. However, the system also showed limitations when the keywords were ambiguous, such as in the 'Hulk' test which incorrectly matched the name "Bruce". For quantitative accuracy evaluation, the system was tested using the Precision@k metric and achieved an average precision value of 30.00% at P@5. The conclusion of this study is that the synopsis-based CBF method was successfully implemented, but its performance was shown to be highly dependent on the quality and uniqueness of the keywords in the synopsis data
EFEKTIVITAS BELAJAR DI KAFE, PERPUSTAKAAN, DAN KAMAR KOS/RUMAH PADA MAHASISWA TI UBB ANGKATAN 2024: Learning Effectiveness in Cafes, Libraries, and Dorm/Home Rooms among UBB IT Students Class of 2024 Danuartha, Arjuna; Fadhila, Dafa
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 4 No. 1 (2026): Januari 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v4i1.495

Abstract

An important factor in determining student academic success is learning effectiveness, currently many students still have difficulty in managing study time due to neglect of their surroundings. Therefore, this study aims to analyze the comparative effectiveness of three alternative study locations (cafes, libraries, and boarding rooms/houses) for UBB Information Technology students of the class of 2024 using a descriptive quantitative approach and Cramer's Rule modeling method to obtain the relative effectiveness weight (w). The results from 31 respondents showed a conflict between student habits and measured effectiveness: although boarding rooms/houses were used most frequently (90.3%), they only ranked second with a negative weight (wz = -4.7), suggesting that high comfort often sacrifices learning effectiveness. Conversely, libraries were rated most effective with the highest positive weight (wy = 13.9), as they were considered most conducive to concentration. Meanwhile, cafes ranked the lowest (wx = -10.8), confirming that external distractions are a major barrier, so this study suggests students prioritize environments that are measured as effective, such as libraries, for tasks that require deep focus.
ANALISIS SISTEM ANTRIAN PADA BANK SUMUT KCP USU MENGGUNAKAN MODEL ANTRIAN MULTI CHANNEL SINGLE PHASE: Queueing System Analysis At Sumut Bank KCP USU Using The Single-Phase Multi-Channel Queueing Model Maulana, Putri Jehan; Citra, Indah Tribuana; Siregar, Anisa Hafizah; Siregar, R. Maisaroh Rezyekiyah
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 4 No. 1 (2026): Januari 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v4i1.496

Abstract

The queuing system in the Customer Service (CS) department of Bank Sumut KCP USU was studied using the Multi Channel Single Phase (M/M/s) model. The purpose of this analysis was to evaluate service effectiveness and identify the best queueing arrangement to reduce customer waiting time. Direct observation of customer arrivals and service times over two working weeks produced primary data. The system was in a stable state. The results of the Chi-Square distribution test showed that service time followed an exponential distribution and customer arrivals followed a Poisson distribution. With one customer service officer, the service level increased to 6–8 customers per hour, compared to the usual customer arrival rate of 3–5 people per hour. The system is still stable, according to the agent workload level of 0.44, but efficiency decreases with an average waiting time of 12.5 minutes during peak hours (09:00–11:00). According to the simulation, waiting time can be reduced to less than one minute and the overall service duration to around nine minutes by adding one CS, making a total of two agents. Therefore, it is recommended that Bank Sumut KCP USU employ two active customer service agents during peak hours to improve customer satisfaction and service efficiency
ANALISIS PEMAHAMAN MAHASISWA TEKNOLOGI INFORMASI TERHADAP KONSEP VEKTOR PADA PEMBELAJARAN ALJABAR LINEAR: Analysis Of Information Technology Students’ Understanding Of Vektor Concepts In Linear Algebra Learning Zaki, Hamit Sarif; Pratama, Habibi Dwika
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 4 No. 1 (2026): Januari 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v4i1.501

Abstract

Linear Algebra, particularly the concept of vectors, is an important foundation for Information Technology (IT) students in various applications in computing and computer graphics. This study aims to understand the extent to which Class A IT students at Bangka Belitung University (UBB) understand the concept of vectors conceptually and interpretively, as many students experience difficulties in connecting mathematical calculations with real-world applications. This study used a descriptive quantitative approach involving 21 respondents (saturated sampling) using a 5-point Likert scale questionnaire analyzed through average scores (means) and percentages. The results show that students' conceptual understanding is high (mean around 3.71). However, their ability to interpret computational results is still in the neutral category (mean around 3.19), indicating a gap between their ability to master formulas and their understanding of applications. The main finding shows that 80.9% of respondents really need a learning approach that focuses on visualization to overcome difficulties in understanding space. Thus, it is concluded that instructors need to change their teaching strategies by emphasizing functional interpretation and integrating visual aids to improve the application understanding of vectors.
ANALISIS KESTABILAN DAN SENSITIVITAS MODEL KECANDUAN FILM KARTUN: Stability and Sensitivity Analysis of The Cartoon Addiction Model Syata, Ilham; Halim, St. Nur Humairah
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 4 No. 1 (2026): Januari 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v4i1.503

Abstract

This study aims to develop a model of cartoon addiction and analyze the stability of fixed points and parameter sensitivity. The novelty of this study lies in the mathematical model of cartoon addiction by dividing the population into four main classes, namely vulnerable individuals, occasional viewers, addicts, and those who have permanently stopped watching cartoons. The methods used include the formulation of a mathematical model based on a system of differential equations, the calculation of the basic reproduction number using the next generation matrix approach, the analysis of fixed point stability, and the evaluation of sensitivity indices to identify parameters that affect the basic reproduction number. The results of the analysis show that the fixed point without addiction is locally asymptotically stable when , while the endemic fixed point is locally asymptotically stable when . Sensitivity analysis shows that the parameters of the entry rate of susceptible individuals () and the effective contact rate () contribute positively to the increase in , while the parameters of the transition from susceptible to not interested in cartoons (), the recovery rate from addiction (), and natural mortality () contribute to the decrease in . In conclusion, this model provides a comprehensive overview of the dynamics of cartoon addiction and can be used to design more appropriate prevention and treatment strategies in society
PEMODELAN ALJABAR LINIER UNTUK MENILAI KINERJA HIMPUNAN MAHASISWA TEKNOLOGI INFORMASI PERIODE 2025/2026: Linear Algebra Modeling for Assessing the Performance of the Information Technology Student Association for the 2025/2026 Period Masdiansa, Anca; Permana, Handika Dwi
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 4 No. 1 (2026): Januari 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v4i1.507

Abstract

This study aims to evaluate the performance of the Information Technology Student Association (HMTI) using a linear algebra modeling approach as a quantitative assessment method. Five main aspects were examined, including leadership, communication and coordination, program implementation, member involvement, and overall organizational effectiveness. The data were collected using a Likert-scale questionnaire administered to HMTI members and processed through vector representation and dot product operations to obtain a final performance score. The results indicate that HMTI’s performance is categorized as fair–good, with leadership and member involvement contributing the most to the overall score. Meanwhile, communication and coordination remain the lowest-rated aspect, significantly affecting the final evaluation results. These findings show that linear algebra modeling can provide an objective and measurable assessment, making it a reliable evaluation tool to support the continuous improvement of student organization governance. 
ANALISIS INTEGRAL FRAKSIONAL FUNGSI HIPERBOLIK: KASUS TANGEN DAN COTANGEN: Fractional Integral Analysis of Hyperbolic Function: The Case of Tangent and Cotangent Janan, Syifaul; Kurniawan, Andro
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 4 No. 1 (2026): Januari 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v4i1.539

Abstract

This study examines the Riemann-Liouville fractional integral for hyperbolic tangent and cotangent functions with order  using Maclaurin series division method and power function fractional integral theorem. Results show the fractional integral of hyperbolic tangent is expressed as a fractional power series with gamma function coefficients, while hyperbolic cotangent has a singular term . MATLAB visualization shows α variations produce different growth characteristics. Hyperbolic tangent is regular with odd function symmetry, while hyperbolic cotangent is singular around the origin. This research provides explicit formulas for fractional calculus applications
ANALISIS KEANEKARAGAMAN MAKROFITA AKUATIK DAN MAKROZOOBENTOS SEBAGAI BIOINDIKATOR KUALITAS AIR DI SUNGAI JANGKOK TERKAIT AKTIVITAS PEMUKIMAN DI KOTA MATARAM: Analysis of Aquatic Macrophyte and Macrozoobenthos Diversity as Bioindicators of Water Quality in the Jangkok River in Relation to Residential Activities in Mataram City Nufus, Chairun; Tarmizi, Azhari
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 4 No. 1 (2026): Januari 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v4i1.563

Abstract

Jangkok River is one of the main rivers in Mataram City, whose entire course is strongly influenced by residential activities. This study aimed to analyze the diversity of aquatic macrophytes and macrozoobenthos as bioindicators of water quality. The research was conducted using a survey method at several observation stations. Aquatic macrophyte samples were collected using the quadrat method, while macrozoobenthos were collected using a standardized laboratory sieve. Physicochemical parameters measured included temperature, pH, dissolved oxygen, salinity, water color, and substrate type. Data analysis was performed using the Shannon–Wiener diversity index, evenness index, and dominance index. The results indicated that a total of 33 aquatic macrophyte species and 11 macrozoobenthos species were identified. Based on ecological indices, the water quality of the Jangkok River was classified as slightly to moderately polluted

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