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All Journal Pythagoras: Jurnal Matematika dan Pendidikan Matematika JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI Jurnal Edukasi Universitas Jember KADIKMA CAUCHY: Jurnal Matematika Murni dan Aplikasi Saintifika Jurnal Riset Pendidikan Matematika Jurnal Daya Matematis Prosiding Seminar Matematika dan Pendidikan Matematik AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika Desimal: Jurnal Matematika BAREKENG: Jurnal Ilmu Matematika dan Terapan Limits: Journal of Mathematics and Its Applications Al-Khwarizmi: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Jurnal Matematika UNAND Jurnal Riset Pendidikan dan Inovasi Pembelajaran Matematika (JRPIPM) JURNAL AXIOMA : Jurnal Matematika dan Pembelajaran JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Alifmatika: Jurnal Pendidikan dan Pembelajaran Matematika Majalah Ilmiah Matematika dan Statistika (MIMS) Jurnal Diferensial SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Pattimura Proceeding : Conference of Science and Technology CGANT JOURNAL OF MATHEMATICS AND APPLICATIONS Pancaran Pendidikan SAINTIFIKA Engagement: Jurnal Pengabdian Kepada Masyarakat Limits: Journal of Mathematics and Its Applications
Susi Setiawani
Universitas Jember
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IMPLEMENTATION OF INTEGER PROGRAMMING USING THE BRANCH AND BOUND METHOD ASSISTED BY PYTHON IN OPTIMIZING THE PRODUCTION OF COOKIES Saranta, Nira Nityasa; Setiawani, Susi; Prihandini, Rafiantika Megahnia; CahyaPrihandoko, Antonius; Wihardjo, Edy
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 18 No 3 (2024): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol18iss3pp1423-1432

Abstract

Many people are interested in cookies. Due to the high consumer interest in cookies, many companies produce cookies with various variants, one of which is Rizky Bakery. The problem faced by Rizky Bakery is how to determine the amount of production of 6 types of cookies to reach the maximum profit. Rizky Bakery carries out production activities to meet high market demand and standard demand. This study constructs a model that accommodates both conditions. The model is solved by using the Branch and Bound method constraints on materials, manufacturing time, fee labor, payment for resellers, and production targets. The purpose of this research is to determine the total number program model and the optimal solution by maximizing the profit of cookie production using Branch and Bound. Optimization using the Branch and Bound method can utilize the Python programming language with a limit of 50 iterations. Data collection methods used for this research are interviews and documentation. The limitation of the problem in this research is that the model to be studied is limited to the average condition of demand is standard and when demand is high. The results of the analysis at times of high demand showed that the production of nastar cookies, castangel cookies, mawar cookies, putri salju cookies, peanut cookies, and custard cookies in 300-gram packaging respectively are 250, 45, 80, 39, 90, 150 and in 500-gram packages are 40, 10, 10, 6, 45, and 45. While, the result of standard demand in 300-gram packaging respectively are 100, 25, 50, 16, 50, 60 and the 500-gram packaging respectively are 10, 3, 10, 2, 10, 20. The profit earned when the demand is high is IDR 8,769,412.00 and the standard demand is IDR 3,769,504.00.
Analisis Numerik Aliran Udara pada Rongga Hidung akibat Penyakit Sinusitis menggunakan Metode Volume Hingga Arif Fatahillah; Mochammad Ulin Nuha; Susi Setiawani
Limits: Journal of Mathematics and Its Applications Vol. 19 No. 2 (2022): Limits: Journal of Mathematics and Its Applications Volume 19 Nomor 2 Edisi No
Publisher : Pusat Publikasi Ilmiah LPPM Institut Teknologi Sepuluh Nopember

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Abstract

Penelitian ini bertujuan untuk menganalisis aliran udara pada rongga hidung akibat penyakit sinusitis. Penyakit sinusitis adalah peradangan yang terjadi pada dinding sinus disebabkan oleh gaya hidup yang tidak sehat. Dampak sinusitis secara umum adalah gangguan sistem pernafasan akibat adanya penumpukan cairan pada rongga hidung. Akibat dari penumpukan cairan tersebut menyebabkan pembengkakan pada lapisan konka hidung yang terhubung langsung dengan organ sinus. Munculnya pemodelan matematika sebagai sebagai ilmu baru merupakan salah satu alternatif pemecahan masalah ini. Pemodelan matematika bertujuan untuk memperoleh formula yang menggambarkan keadaan aliran udara di rongga hidung sesuai dengan kondisi sebenarnya. Pemodelan matematika yang digunakan adalah menggunakan metode volume hingga. Metode volume hingga digunakan untuk menganalisis benda yang tidak terstruktur seperti aliran udara. Pada penelitian ini menggunakan bantuan software Matlab dan Fluent. Matlab digunakan untuk menampilkan menghitung numerik dan grafik hasil yang terjadi, sedangkan Fluent digunakan untuk memvisualisasikan keadaan yang terjadi. Hasil dari penelitian ini adalah untuk mengetahui aliran udara yang terjadi pada rongga hidung akibat penyakit sinusitis, semakin besar ketebalan penumpukan lendir pada dinding sinus maka kecepatan aliran udara yang dihasilkan semakin cepat. Hasil perhitungan menggunakan metode volume hingga didapatkan tingkat kesalahan kurang dari 0,001.
Analisis Teori Antrian dalam Pelaksanaan Vaksinasi Covid-19 di Puskesmas Tapen Rafiantika Megahnia Prihandini; Hilwa Ainur Rizki; Susi Setiawani
Limits: Journal of Mathematics and Its Applications Vol. 20 No. 2 (2023): Limits: Journal of Mathematics and Its Applications Volume 20 Nomor 2 Edisi Ju
Publisher : Pusat Publikasi Ilmiah LPPM Institut Teknologi Sepuluh Nopember

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Abstract

This study was motivated by the Covid-19 pandemic in Indonesia. As a response to the pandemic, the government provided widespread vaccination services for the public. However, the large-scale implementation of the vaccination program led to uncontrolled patient arrivals due to crowding at vaccination sites. This situation contributed to the potential spread of new clusters of the coronavirus. The research applies queuing theory to analyze several key aspects: the average number of patient arrivals, the average quality of service, and the optimization of the number of healthcare workers needed at the Tapen Health Center. The study focuses specifically on analyzing the queuing system and patient waiting times during the vaccination process. Data were collected through interviews and direct observation of the healthcare personnel involved in the Covid-19 vaccination service. The results indicate that the queuing system implemented at the Tapen Health Center has provided optimal service performance, with the capacity to serve an average of 7 to 17 people between 08:00 and 11:00 AM.
Numerical Modelling of Social Media Addiction Cases Using 15th Order Runge-Kutta Fatahillah, Arif; Prihandini, Rafiantika Megahnia; Hidayatullah, Arfan; Setiawani, Susi; Adawiyah, Robiatul
Jurnal Matematika UNAND Vol. 14 No. 4 (2025)
Publisher : Departemen Matematika dan Sains Data FMIPA Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jmua.14.4.400-410.2025

Abstract

The advancement of information technology has led to more and more people, especially teenagers, becoming addicted to using various social platforms. Despite being a very useful application for social interaction, the habit of spending excessive time on social media is prone to addiction so that teenagers can experience anxiety disorders, depression, health problems, and more. The purpose of this study is to determine the effectiveness of the 15th-order Runge-Kutta method in solving mathematical models in the case of social media addiction. The method used in this research uses experimental research and data collection is done by systematically observing and recording the research indicators. The research was conducted by observing the error, number of iterations, running time, and graphs. In this study, adolescents aged 15-18 years were divided into three compartment states which were modeled into mathematical equations. The results of this study indicate that the 15th order Runge-Kutta method is more effective for solving mathematical models on social media addiction compared to Ordinary Differential Equation (ODE).
LOCAL IRREGULARITY POINT COLORING ON THE RESULT OF SUBDIVISION OPERATION OF HELM GRAPHS Nuroeni, Ilmiatun; Kristiana, Arika Indah; Hussen, Saddam; Setiawani, Susi; Adawiyah, Robiatul
JURNAL DIFERENSIAL Vol 5 No 2 (2023): November 2023
Publisher : Program Studi Matematika, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jd.v5i2.12197

Abstract

One of the sub-chapters studied in graphs is local irregularity vertex coloring of graph. The based on definition of local irregularity vertex coloring of graph, as follow : (i)l : V (G) →{1, 2, 3, . . . , k} as a vertex irregular labeling and w : V (G) → N, for every uv ∈ E(G), w(u) ̸=w(v) with w(u) = Pv∈N(u)l(v) and (i) Opt(l) = min{max(li); li is a vertex irregular labeling}. The chromatic number of the local irregularity vertex coloring of G denoted by χlis(G), is the minimum cardinality of the largest label over all such local irregularity vertex colorings. In this article, discuss about local irregularity vertex coloring of subdivision by helm graph (Sg(Hn)).
PERSEPSI SISWA KELAS VIII SMP TERHADAP IMPLEMENTASI KURIKULUM MERDEKA PADA PEMBELAJARAN MATEMATIKA NAJIB, MOCHAMMAD IDFANI WAHIB; SETIAWANI, SUSI; MONALISA, LIONI ANKA; WIHARDJO, EDY; OKTAVIANINGTYAS, ERVIN
SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Vol. 4 No. 1 (2024)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia (P4I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/science.v4i1.2906

Abstract

This research aims to describe the perceptions of grade 8 students regarding the implementation of the Merdeka Curriculum in Mathematics learning in terms of 4 aspects, namely professional learning practices, professional development, differentiated learning, and strengthening the Pancasila student profile. This type of research is descriptive research with a quantitative approach. The sampling technique used was simple random sampling with a sample of 142 class VIII students at SMPN 4 Jember. The instruments used were questionnaires and interviews. The data analysis technique used is descriptive statistics. The research results showed that students' perceptions of the implementation of the Merdeka Curriculum were good with a percentage in the professional learning aspect of 48.59%, professional development of 51.4%, differentiated learning of 72.54%, strengthening of the Pancasila student profile of 62.68%, and in overall aspect it was 69.72%. Based on these results, it can be concluded that the implementation of the Independent Curriculum in Mathematics learning in Class VIII of SMP Negeri 4 Jember was carried out well. ABSTRAKPenelitian ini bertujuan untuk mendeskripsikan persepsi siswa kelas 8 terhadap implementasi Kurikulum Merdeka pada pembelajaran Matematika yang ditinjau dari 4 aspek yaitu praktik pembelajaran profesional, pengembangan profesi, pembelajaran berdiferensiasi, dan penguatan profil pelajar Pancasila. Jenis penelitian ini merupakan penelitian deskriptif dengan pendekatan kuantitatif. Teknik sampling yang digunakan adalah simple random sampling dengan sampel sebanyak 142 siswa kelas VIII SMPN 4 Jember. Instrumen yang digunakan berupa angket dan wawancara. Teknik analisis data yang digunakan adalah statistik deskriptif. Hasil penelitian menunjukkan bahwa persepsi siswa terhadap implementasi Kurikulum Merdeka terlaksana baik dengan persentase pada aspek pembelajaran profesional sebesar 48,59%, pengembangan profesi sebesar 51,4%, pembelajaran berdiferensiasi sebesar 72,54%, penguatan profil pelajar Pancasila sebesar 62,68%, dan secara aspek keseluruhan sebesar 69,72%. Berdasarkan hasil tersebut dapat disimpulkan bahwa Implementasi Kurikulum Merdeka pada pembelajaran Matematika di Kelas VIII SMP Negeri 4 Jember terlaksana dengan baik.
Numerical Analysis of Airflow in Trachea Affected by Thyroid Cancer Using Finite Volume Method Fatahillah, Arif; Jannah, Miftahul; Setiawani, Susi; Setiawan, Toto Bara; Kristiana, Arika Indah
CAUCHY: Jurnal Matematika Murni dan Aplikasi Vol 9, No 1 (2024): CAUCHY: JURNAL MATEMATIKA MURNI DAN APLIKASI
Publisher : Mathematics Department, Universitas Islam Negeri Maulana Malik Ibrahim Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/ca.v9i1.24376

Abstract

The study aims to analyze the airflow in the trachea due to thyroid cancer. Thyroid cancer is a cancer that attacks the thyroid gland. The thyroid gland is located in the neck below the Adam's apple. In general, thyroid cancer causes stenosis of the trachea due to cancer compression of the tracheal wall. This problem is solved using the finite volume method with SIMPLE (Semi Implicit Method for Pressure Linked Equation) discretization. This method is well suited for the discretization of irregularly shaped fluid flows. The software used is Matlab and Ansys Fluent. Matlab is used to compute numerical solutions and display graphs, while Fluent is used to visualize the air flow. The result of this study is that the greater the percentage of stenosis, the velocity of the airflow is faster and the pressure of the airflow is lower. The most critical condition for respiratory power loss is when the airflow velocity exceeds the normal limit, i.e. when the narrowing is more than 50%, the initial velocity is more than 0,1 m/s.
Development of an Android Educational Game Magic Square -Megaforce Assisted to Improve Students' Creative Thinking Skills Fatahillah, Arif; Wicaksono, Arif; Hussen, Saddam; Setiawani, Susi; Murtikusuma, Randi Pratama
Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Vol. 11 No. 2 (2023): Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam
Publisher : Prodi Pendidikan Matematika FTIK IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/jpmipa.v11i2.2922

Abstract

Abstract:The development of educational games is very relevant to learning activities in schools today. This research developed the Android educational game Magic Square – Megaforce to be valid, practical, and effective in improving students' creative thinking skills. This research is a development research with a 4-D model. The validity of educational games reached a high category with a correlation coefficient value of 0.95. This educational game is also declared practical with an average learning implementation of 100%. The effectiveness of this educational game was assessed based on classical learning completeness of 85.7%, student learning activities of 80%, and student response questionnaires of 85.5%, all of which were in the Good category. Educational game design can still be refined for further research so that it is more varied.Abstrak:Pengembangan game edukasi sangat relevan dengan kegiatan pembelajaran di sekolah saat ini. Penelitian ini mengembangkan game edukasi Android Magic Square – Megaforce hingga valid, praktis, dan efektif meningkatkan kemampuan berpikir kreatif siswa. Penelitian ini merupakan penelitian pengembangan dengan model 4-D. Validitas game edukasi mencapai kategori tinggi dengan nilai koefisien korelasi 0,95. Game edukasi ini juga dinyatakan praktis dengan rata-rata keterlaksanaan pembelajaran sebesar 100%. Efektifitas game edukasi ini dinilai berdasarkan ketuntasan belajar klasikal sebesar 85,7%, aktivitas belajar siswa sebesar 80% dan angket respon siswa sebesar 85,5% yang semuanya berada pada kategori Baik. Desain game edukasi masih dapat disempurnakan untuk penelitian selanjutnya sehingga lebih variatif.
Co-Authors Abdurrahman Salim Afifah, Ngizatul Agnes Ika Nurvitaningrum, Agnes Ika Anggraini, Azza Liarista Angrenani, Arin Berliana Arianda, Tarisa Arif Fatahillah Arif Wicaksono Arika Indah Kristiana ArRuhimat, QurrotaA’yuniArRuhimat A’yuni Azza Liarista Anggraini CahyaPrihandoko, Antonius D. Dafik Devi Permatasari Dewi ANGGRAENI Dewy, Elitta P Dian Kurniati Dinawati Trapsilasiwi Dody Dwi Aprianto Eka, Rizqi Erfan Yudianto Ervin Oktavianingtyas Evi Rahmawati Fauziyah, Faridah Feri Widyawati, Yuli Ferry Kurnia Putra Firda, Jazilatul Hasan, Ayu Zulfiah Hendra Laksana, Priyo Dwi Hermawan, Lendi Ike Hidayatullah, Arfan Hilwa Ainur Rizki Hobri Hossiyatur Robbah, Hossiyatur Ikram, Risnul Lailatul Indiyawati, Wiwik Ira Noviliya Noviliya Irma Khoirul Ummah, Irma Khoirul Kholifatur Rosyidah Kuswanti, Yayuk Laksananti, Putri Meilinda Lestari, Nurcholif Diah Sri Lioni Anka Monalisa, Lioni Anka Lusia Dewi Minarti Lusia Dewi Minarti M Daenasty Caezar Zahra Madinda, Diah Putri Manohara, Nalayuswasti Yatna Marie Afiani Mauhibatul Khoroid Maylisa, Ika Nur Megahnia Prihandini, Rafiantika Miftahul Jannah Moch. Zaenal A Mochammad Ulin Nuha Mochammad Ulin Nuha Mukharomah, Umi Latifah NAJIB, MOCHAMMAD IDFANI WAHIB Ni'mah, Anis Fitriatun Novian Nur Fatihah Nurfadilah Nurfadilah Nuroeni, Ilmiatun Nurul Hidayati Arifani, Nurul Hidayati Orel Revo Sackhi Usdelivian Pradista, Vyke Triawilly Pratiwi, Alfiani Dyah Pratiwi, Putri Indah Prisma Brilliana Putri, Inge Wiliandani Setya QurrotaA’yuniArRuhimat A’yuni ArRuhimat Rafiantika Megahnia Prihandini Rahayu, Diah Pujining Randi Pratama Murtikusuma Reza Mega Ardhilia Robiatul Adawiyah Rohadatul Aisy, Fairuz Aufa S Slamin S Suharto S Sunardi Saddam Hussen Sandy, Perdana Arief Saranta, Nira Nityasa Selly Minalasari Septiyani Setyo Wulandari Setiawan, Totp' Bara Solly Aryza Sri Wahyuni Suci Rohmatul Hidayah, Suci Rohmatul Suharto Suharto Sunardi Sunardi Suryandari, Nurlayli Dewi Susanto Susanto Syafitriyah, Dini Theriq Azis Al Husein Topa, Siti Il Toto Bara Setiawan Ulfa Amalia Febriyanti, Ulfa Amalia Ulul Azmi umul husna Wardani, Putu Liana Wibowo, Hendrik Cahyo Widhaning, U'ul Ulinuha Rahajeng WIHARDJO, EDY Yunta, Girlyas Rasta