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Department of Mathematic Faculty Of Science and Technology Univesitas Islam Negri Sumatera Utara IAIN St. No.1 Medan
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INDONESIA
Zero : Jurnal Sains, Matematika, dan Terapan
Published by Universitas Islam Negeri Sumatera Utara
ISSN : 2580569X     EISSN : 25805754     DOI : 10.30829
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry Mathematics Physics
Arjuna Subject : -
Articles 184 Documents
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GEOGRAPHIC INFORMATION SYSTEM FOR SEARCHING HONDA MOTORCYCLE DEALERS IN MEDAN CITY USING A-STAR ALGORITHM Pohan, Randy Novhendra; Fakhriza, M; Harahap, Aninda Muliani
ZERO: Jurnal Sains, Matematika dan Terapan Vol 6, No 2 (2022): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v6i2.17466

Abstract

Currently, motorbikes are a means of transportation that are often used by the community because they have advantages when compared to other means of transportation. One type of motorcycle that is widely used is a Honda motorcycle. Currently, there are many Honda motorcycle dealers spread across Indonesia, especially in Medan, but have not yet been integrated into a system, making it difficult for people who want to find such dealers. Another problem is that there is no map of the distribution of the nearest dealer from the community's location and there is no information about dealers covering products and ordering services online. With technology, the authors build a geographic information system with the A-Star algorithm that can assist in mapping dealer locations and can calculate the closest route that can be taken. This system is built based on Android using Kodular, Java and PHP programming languages, and uses Openstreetmap as a geographical map.
VALIDATION INFORMATION SYSTEM FOR MOBILE-BASED PROPOSAL SEMINAR REGISTRATION Sinaga, Imam Adlin; Fakhriza, M.; Takhir, Said Hambali
ZERO: Jurnal Sains, Matematika dan Terapan Vol 7, No 1 (2023): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v7i1.16681

Abstract

The information systems study program at the Faculty of Science and Technology is one of the study programs at the State Islamic University of North Sumatra, Medan. As a study program in the field of computer technology, the information systems study program has an important role in efforts to develop knowledge in the field of computer technology as demanded by national digital literacy. There are several problems in the registration system for proposal seminars in the information systems study program at the Faculty of Science and Technology due to the lack of performance of the system. The purpose of this research is to build a mobile-based information system that can be used to validate the proposal seminar registration that has been conducted by students. The system development method used is waterfall, while in making a visual system design, the author uses UML (Unified Modeling Language). In developing the information system, the author uses Kodular tools and the Google Spreadsheet database. With this information system, it is hoped that it can assist students in registering for proposal seminars and assist study program admins in validating proposal seminar registrations that have been carried out by students easily and quickly via mobile android.
Modeling the Risk of Dengue Fever Spread in Deli Serdang Regency Using the Cauchy Cluster Process Model Aulia, Nurissa; Husein, Ismail
ZERO: Jurnal Sains, Matematika dan Terapan Vol 7, No 2 (2023): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v7i2.19268

Abstract

Demam berdarah merupakan penyakit menular yang masih menjadi masalah kesehatan masyarakat di Indonesia. Jumlah kasus demam berdarah terus meningkat. Salah satu kabupaten di Sumut dengan kasus DBD tertinggi adalah Kabupaten Deli Serdang. Dengan kecamatan penyumbang kasus Dbd tertinggi adalah Percut Sei Tuan dengan persentase kasus sebesar 16% pada tahun 2022. Penelitian ini bertujuan untuk mengetahui pemodelan risiko dengan melibatkan beberapa kovariat dimana kriteria perbandingannya menggunakan nilai BIC terkecil. Hasil uji homogenitas menunjukkan data kasus demam berdarah cenderung tidak homogen. Hasil korelasi spasial menunjukkan hasil plot cenderung membentuk kelompok atau cluster. Hasil pemodelan yang diperoleh proses cluster Cauchy setelah eliminasi merupakan model terbaik, dimana kovariat kepadatan rumah sakit, curah hujan, suhu, dan kelembaban berpengaruh signifikan terhadap penyebaran penyakit demam berdarah di Kabupaten Deli Serdang.
Allocation of Tabarru's Funds in Endowment Premium Fitriyati, Nina; Zharifah, Zharifah; Zulkifli, Dhea Urfina
ZERO: Jurnal Sains, Matematika dan Terapan Vol 7, No 2 (2023): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v7i2.18078

Abstract

In general, the premiums paid by participants in Islamic insurance are allocated into three components with specific proportions: administrative costs, participants' savings, and Tabarru's funds (mutual aid funds). Participants' savings and Tabarru's funds are invested according to Sharia principles, and the returns are shared (Mudharabah) between the participants and the company. This study analyses the allocation of Tabarru's funds and participant savings about the size of premiums using the Endowment method. Additionally, the investment results from Tabarru's funds and participant savings, as well as their distribution to participants and the insurance company, will be simulated. Premium calculations utilize the Indonesian Mortality Table (TMI) for the year 2011. The simulation results indicate that administrative costs and investment returns from premiums managed for male participants are larger than those for female participants. Therefore, the claim amount for male participants is likely to be higher compared to the claim, amount for female participants.
CLASSIFICATION OF TODDLER NUTRITIONAL STATUS USING A BINARY CLASSIFICATION TREE WITH ALGORITHMSQUICK, UNBIASED, EFFICENT, STATISTICAL TREE Ramadhani, Cahya Dwi; Siregar, Machrani Adi Putri
ZERO: Jurnal Sains, Matematika dan Terapan Vol 7, No 1 (2023): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v7i1.17339

Abstract

Determination of nutritional status is very important in helping to monitor the state of nutritional health growth in toddlers every time. In this study, there were 70 identity data for toddlers for the 2022 period obtained from the KB Counseling Center in the Pegajahan sub-district, in Sukasari Village. There are four independent variables used, namely gender, health insurance, weight, and height. The purpose of this study is to determine the classification that is formed and the accuracy of the resulting classification on the nutritional status of toddlers. Classification which is part of data mining can make decisions on the nutritional status of toddlers faster and more efficiently. QUEST method (Quick, Unbiased, Efficient, Statistical Trees) is one of the statistical methods that can be used to form a decision tree and classify an object using a separator algorithm that produces a binary tree. From the results of the classification there is a variable height (?!) as the limiting variable. in the early stages of insulation, the parent node which consists of 70 toddler data. Variables are partitioned based on height into two nodes, namely node (1) and node (2). Node (1) is a node containing 25 children under five with a height of more than 85.79 cm, while node (2) is a node for 45 children under five with a height less than or equal to 85.79 cm. in the next process, the blocking is terminated. the overall value of the accuracy of the classification of trees formed is 95.7%. Thus, the probability of misclassification of the tree is 4.3%, which means that this classification tree is optimal.
Stability of Cervical Cancer Model by Human Papillomavirrus (HPV) with Migration Suryani, Irma; Soleh, Mohammad; Wartono, Wartono; Prayoga, Anggi; Fahlezi, Boby
ZERO: Jurnal Sains, Matematika dan Terapan Vol 8, No 1 (2024): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v8i1.16137

Abstract

Cervical cancer is a chronic disease that attacks the cervix. This disease is caused by the human papillomavirus (HPV). Over time, cervical cancer is modeled with a mathematical model to describe the development of its spread. In this study, cervical cancer is modeled into four subpopulations; susceptible subpopulation (S), HPV-infected subpopulation (I), infected but not infected with cervical cancer (U) and infected and infected with cervical cancer (C). The SIUC model is then added to the existence of migration within the population. Furthermore, the equilibrium of the model is determine and its stability is analyzed using the Jacobian matrix and eigenvalues. The result is that there are two equilibrium points, namely the disease-free equilibrium point and the endemic equilibrium point. The disease-free equilibrium point is asymptotically stable if the eigenvalue conditions are met. The endemic equilibrium point is stable if the eigenvalues are met. Furthermore, the numerical simulation model shows that migration that occurs within the population can cause cervical cancer to still exist in the population because the contact rate is getting bigger
Optimization on the Budgeting Allocation with Goal Programming in Departmen Mathematic Education Universitas HKBP Nommensen Sihombing, Dame ifa
ZERO: Jurnal Sains, Matematika dan Terapan Vol 7, No 2 (2023): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v7i2.19218

Abstract

The purpose of this research is to maximize the use of funds at the Universitas HKBP Nommensen Faculty of Training and Educational Sciences, a higher education establishment.  This study intends to educate the general public on the use of goal programming challenges in achieving organizational goals, both financially and non-financially. Between 2020 and 2022, information on this faculty's budget estimates was gathered from the faculty budget. Five objectives were taken into consideration for the study in the following order of priority: personal costs, overhead costs, capital expenditures, revenue (internally generated), and the total budget from the university's budget estimates. The information gathered was utilized to create a goal programming problem, which was then addressed using the Simplex approach (using LINGO software). The optimum value of Z (Z=4.24) was found to achieve goal 1 (the personal cost goal), goal 3 (the capital expenditure goal), and goal 5 (the overall budget goal) based on the solution provided. However, it failed to satisfy goals 2 and 4, which are the goals for overhead costs and revenue, respectively. Based on the results, it was determined that in order to meet targets 2 and 4, which are related to overhead costs and revenue, respectively, the Department Mathematic Education Universitas HKBP Nommensen, needed to come within 4.24 billion Rupiah. It was also suggested that the University have an annual budget review with a minimum of 4.24 billion Rupiah in 2010 and that this review be done in a timely and appropriate manner, under the supervision of an active government budget monitoring team.
IMPLEMENTATION OF DATA ENCRYPTION STANDARD (DES) ALGORITHM FOR DATA SECURITY ON PDF DOCUMENTS Panjaitan, Arif Wijaya; Zufria, Ilka; Nasution, Yusuf Ramadhan
ZERO: Jurnal Sains, Matematika dan Terapan Vol 6, No 2 (2022): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v6i2.17365

Abstract

Misuse and theft of confidential PDF documents because documents can still be recognized and read by humans means, of course, these problems can harm those who have access to PDF document data. The act of tapping and stealing PDF documents can be minimized by the application of cryptographic encryption techniques. Cryptography is a science that studies mathematical techniques related to information security aspects such as confidentiality, data integrity and authentication. Cryptography requires an algorithm to perform the encryption process, one of the cryptographic algorithms that can be used is the Standard Data Encryption (DES) algorithm. The DES algorithm is a symmetric algorithm that works on the principle of a block cipher. The DES algorithm uses a 64-bit key to encrypt a 64-bit block. This thesis discusses the design of web-based cryptography using the Data Encryption Standard (DES) method.The application of this system is hiding pdf files using an 8-bit key without any errors or file damage and cannot be decrypted without the appropriate key. By using a data security application system using the DES method, it is useful to help hide the contents of important pdf files with a key so as to minimize digital theft by irresponsible parties.
RANKING FACTORS AFFECTING STUDENT ACADEMIC ACHIEVEMENT WITH FUZZY AHP METHOD Fathoni, Muhammad; Sujarwo, Sujarwo
ZERO: Jurnal Sains, Matematika dan Terapan Vol 7, No 1 (2023): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v7i1.17095

Abstract

The main purpose of education is to foster and improve students' knowledge, skills and behaviors, enabling them to effectively apply their acquired abilities in the broader context of society. According to Chapter I Article 1 of the National Education System Number 20 of 2003, education is characterized as a deliberate and organized effort aimed at creating an environment conducive to learning and facilitating a process through which learners actively develop their innate abilities. The ultimate goal is to foster the development of spiritual resilience, religious understanding, self-discipline, individuality, intellectual intelligence, noble morals, and skills necessary for personal, community, nation, and state advancement.Many factors influence student achievement, including internal and external dimensions. Internal factors include various elements, including physical aspects such as health and disability, psychological factors such as intelligence, attention, interest, talent, motive, maturity, and readiness, and fatigue factors such as physical and mental fatigue. External influences include various aspects related to the family, including parenting, educational background, family relationships, home atmosphere, family economy, parental understanding, and cultural background. In addition, school factors summarize various elements such as learning strategies used by teachers, curriculum design, teacher-student interaction, student interaction, school policies, educational resources, school scheduling, lesson benchmarks, facility conditions, learning approaches, and homework assignments. The community aspect includes various elements such as student involvement in social activities, the impact of mass media, social relationships, and various forms of community involvement. This study examines the influence of several environmental elements, including physical, psychological, family, school, and community factors on student academic achievement, namely students attending public junior high schools located in Sei Bingai District, Langkat Regency using the Fuzzy Analytical Hierarchy Process (FAHP) method
Determining the Shortest Route for LPG Gas Cylinder Distribution Using the Clarke and Wright Savings Algorithm Nur Hafizah; Ismail Husein
ZERO: Jurnal Sains, Matematika dan Terapan Vol 7, No 2 (2023): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v7i2.19269

Abstract

Penelitian ini bertujuan untuk meminimalkan rute yang ditempuh sehingga mengurangi biaya transportasi yang dikeluarkan perusahaan. Hal ini diperlukan karena jalur yang ada di dalam perusahaan saat ini kurang optimal dan dapat menimbulkan kerugian finansial. Solusi yang diusulkan untuk mengatasi masalah penentuan rute distribusi terpendek adalah dengan memanfaatkan Capacitated Vehicle Routing Problem (CVRP) dengan Algoritma Clarke And Wright Savings. Algoritma Clarke And Wright Savings dirancang untuk menyelesaikan berbagai masalah perutean kendaraan, yang biasa disebut dengan masalah perutean kendaraan klasik, berdasarkan konsep yang dikenal dengan konsep penghematan. Berdasarkan temuan penelitian, teridentifikasi tiga rute dengan total jarak 43,48 km dan biaya transportasi Rp. 88.699,2. Melalui penghematan yang diterapkan, diperoleh dua rute baru dengan total jarak 35,98 km dan biaya angkutan Rp. 73.399,2. Dengan demikian, penelitian ini menyimpulkan bahwa Algoritma Clarke And Wright Savings efektif dalam mencapai tujuannya, mengoptimalkan jalur distribusi, dan meminimalkan biaya distribusi dengan lebih efisien dibandingkan jalur perusahaan saat ini .

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