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All Journal Epsilon: Jurnal Matematika Murni dan Terapan Journal of the Indonesian Mathematical Society BAREKENG: Jurnal Ilmu Matematika dan Terapan Jurnal Matematika UNAND Mathematics and Applications (MAp) Journal Jurnal Pengabdian Pada Masyarakat Education, Language, and Arts: Jurnal Pengabdian Kepada Masyarakat Hilbert Journal of Mathematical Analysis As-Sulthan Journal of Education
Idris, Mochammad
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PENGARUH JUMLAH HARI HUJAN, SUHU DAN KELEMBAPAN TERHADAP PENYAKIT DEMAM BERDARAH DENGUE MENGGUNAKAN REGRESI LOGISTIK MULTINOMIAL Alkatiri, Gina; Affandi, Pardi; Idris, Mochammad
MAp (Mathematics and Applications) Journal Vol 6, No 1 (2024)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/map.v6i1.8224

Abstract

Gigitan nyamuk Aedes Aegypti merupakan vektor penyebaran virus dengue penyebab demam berdarah dengue (DBD) ke manusia. DBD biasanya menyerang negara-negara seperti Indonesia yang memiliki iklim tropis atau subtropis. Kasus DBD menyebar di 34 Provinsi Indonesia, dan Kalimantan Selatan menempati peringkat ke-9 berdasarkan Incidence Rate (IR) pada tahun 2018. Kota Banjarbaru menempati peringkat kedua dari 13 Kabupaten/ Kota di Kalimantan Selatan. Selama tahun 2017 hingga 2021, jumlah kasus DBD di Kota Banjarbaru mencapai lebih dari 1000 kasus, melebihi jumlah kasus di Kabupaten/ Kota lain yang terdapat di Provinsi Kalimantan Selatan. Dengan menggunakan model regresi logistik multinomial, penelitian ini mencoba mengetahui pengaruh suhu, kelembapan, dan jumlah hari hujan terhadap penyakit demam berdarah di Kota Banjarbaru. Regresi dengan variabel terikat kategorikal dikenal sebagai regresi logistik multinomial. Metodologi penelitian yang digunakan adalah studi literatur dan uji data kasus jumlah penderita penyakit DBD yang dibagi menjadi tiga kategori yaitu tidak ada kasus, kasus rendah dan kasus tinggi dengan variabel bebas yaitu jumlah hari hujan, suhu dan kelembapan. Hasil dari penelitian menunjukkan faktor jumlah hari hujan berpengaruh signifikan dan positif terhadap penyakit DBD pada fungsi logit kasus rendah, sedangkan faktor suhu dan kelembapan tidak berpengaruh signifikan. Nilai Odds Ratio faktor jumlah hari hujan yaitu sebesar 37,2% berpeluang terjadi kasus rendah untuk setiap peningkatan satu hari hujan dibandingkan tidak ada kasus.
METODE BLACK-SCHOLES DALAM PENENTUAN HARGA OPSI Taufik, Ahmad; Idris, Mochammad; Lestia, Aprida Siska
EPSILON: JURNAL MATEMATIKA MURNI DAN TERAPAN (EPSILON: JOURNAL OF PURE AND APPLIED MATHEMATICS) Vol 18, No 1 (2024)
Publisher : Mathematics Study Program, Faculty of Mathematics and Natural Sciences, Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/epsilon.v18i1.12604

Abstract

The Black-Scholes Method is one of the option pricing method that introduced by Fischer Black and Myron Scholes in 1973. This study aim to review the determination of the price of an option with stocks as the underlying assets and based on  Black and Scholes assumptions. These assumptions lead to construct an equation named Black-Scholes differential equations, which is the equation that must be satisfied for option as the derivative instrument and non-dividend giving stocks as the underlying assets. After the Black-Scholes differential equations formed successfully, the next step is to find the solution of that equation. Consider the option is call option, the solution that will be obtained from solving the equation is the price of call option. Then substitute it to the put-call parity equation, which is the equation that shows the relationship between call and put option prices, so the price of put option can be obtained too. The estimation that obtained from the Black-Scholes method is the highest price for a contract is said to be fair and worth to buy for the holder.
Pendampingan Pembuatan Suplemen Bahan Ajar Matematika dan Penelitian Tindakan Kelas di MGMP Matematika SMA/MA Kabupaten Tanah Laut Idris, Mochammad; Lestia, Aprida Siska; Abdurrahman, Saman; Hijriati, Na’ímah; Lissa, Hermei; Gunawan, I Wayan Ari; Amalia, Zharfa Rizqi; Andriani, Asfia
Jurnal Pengabdian Pada Masyarakat Vol 9 No 2 (2024): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/jppm.v9i2.664

Abstract

Pasca pandemi Covid-19, institusi pendidikan berbenah kembali dengan mengatur ulang pelaksanaan kurikulumnya. Hal ini menuntut guru berinovasi dalam mengembangkan keterampilannya. Guru sebagai salah satu sumber belajar menjadi tumpuan peserta didiknya dalam mencari informasi dan penjelasan, terutama mengenai kesulitan dalam memahami materi pelajaran, khususnya pelajaran matematika di tingkat SLTA. Tim Pengabdian Kepada Masyarakat (PKM) dari Program Studi Matematika FMIPA Universitas Lambung Mangkurat (ULM) berinisiatif mengajak mitra yaitu forum Musyawarah Guru Mata Pelajaran (MGMP) Matematika SMA/MA Kabupaten Tanah Laut Kalimantan Selatan dalam kegiatan PKM dengan peserta guru anggota MGMP tersebut. Tujuannya untuk meningkatkan inovasi guru dalam pembelajaran siswa dan dapat menerbitkan artikel ilmiah pada jurnal nasional. Metode yang digunakan dalam kegiatan ini berupa diskusi dan sharing dengan materi tentang pembuatan suplemen pelajaran matematika, teknis dalam Penelitian Tindakan Kelas (PTK), dan pengenalan metode statistika untuk analisis data. Pelaksanaan kegiatan berlangsung dengan lancar dan sesuai harapan. Para peserta memberikan apresiasi yang baik dan bersemangat untuk membuat PTK serta menyusun materi tambahan dalam pelajaran matematika. Harapan selanjutnya, peserta didik dari anggota MGMP dapat bertambah wawasan dan semakin meningkat kualitas hasil belajarnya. After the Covid-19 pandemic, educational institutions have reorganized their curriculum implementation. This requires teachers to innovate in developing their skills. Teachers as one of the sources of learning become the focus of their students in seeking information and explanations, especially regarding difficulties in understanding subject matter, especially mathematics lessons at the high school level. The Community Service Team (PKM) from the Mathematics Study Program FMIPA Lambung Mangkurat University (ULM) took the initiative to invite partners, namely the forum for the High School Mathematics Teacher Consultation (MGMP) in Tanah Laut Regency, South Kalimantan, in PKM activities with teacher participants from the MGMP. The goal is to increase teacher innovation in student learning and be able to publish scientific articles in national journals. The method used in this activity is in the form of discussion and sharing with material on making math lesson supplements, techniques in Classroom Action Research (PTK), and introduction to statistical methods for data analysis. The implementation of the activity went smoothly and as expected. The participants gave good appreciation and were eager to make PTK and compile additional materials in math lessons. The next hope is that students from MGMP members can gain more insight and improve the quality of their learning outcomes.
A note on Euclidean spaces $\mathbb{R}^n$ and $n$-normed spaces Idris, Mochammad
Hilbert Journal of Mathematical Analysis Vol. 1 No. 2 (2023): Hilbert J. Math. Anal.
Publisher : KOMUNITAS Analisis Matematika INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62918/hjma.v1i2.9

Abstract

This article gives us a relation between Euclidean space $\mathbb{R}^n$ and a subspace of $X$ (an $n$-normed space) using properties of determinant of square matrices. Some functionals will be investigated on these spaces. Furthermore, we obtain definition of inner product and $m$-inner product with $m<n$ on the subspace of $X$.
PENDEKATAN BAYESIAN MARKOV CHAIN MONTE CARLO (MCMC) METROPOLIS-HASTINGS PADA PEMODELAN KLAIM ASURANSI KESEHATAN Lestia, Aprida Siska; Idris, Mochammad
EPSILON: JURNAL MATEMATIKA MURNI DAN TERAPAN (EPSILON: JOURNAL OF PURE AND APPLIED MATHEMATICS) Vol 18, No 2 (2024)
Publisher : Mathematics Study Program, Faculty of Mathematics and Natural Sciences, Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/epsilon.v18i2.13872

Abstract

The distribution of health insurance claims that tend to be asymmetric and have heavy tails, requires a method that can offer more flexible and robust solutions than traditional frequentist approaches, such as the Bayesian Method. The advantage of this method lies in its ability to comprehensively account for uncertainty in parameter estimation, thereby producing a posterior distribution that can capture complex pattern of claim data. This study aims to apply the Bayesian approach with the Markov Chain Monte Carlo (MCMC) Metropolis-Hastings method in modeling health insurance claims. The claim data used are divided into outpatient and inpatient claims, with the lognormal distribution fitting proven to be the most appropriate for both types of claims. Risk estimation through Value at Risk (VaR) and Conditional Tail Expectation (CTE) using the Bayesian approach showed more moderate results compared to empirical estimates, indicating that this approach can reduce risk overestimation
An F-norm on sequences spaces Idris, Mochammad
Hilbert Journal of Mathematical Analysis Vol. 3 No. 1 (2024): Hilbert J. Math. Anal.
Publisher : KOMUNITAS Analisis Matematika INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62918/hjma.v3i1.39

Abstract

On sequences spaces, we can choose a Young function that plays a role in determining their norm structure. In this article, we modify the Young function by replacing its convexity property with concavity to define the F-norm in these spaces. Furthermore, we explore the properties of the modified Young function. Additionally, we investigate the completeness of the space, allowing it to be classified as an F-space (Frechet space).
LEVEL SOFT GROUP AND ITS PROPERTIES Abdurrahman, Saman; Idris, Mochammad; Faisal, Faisal; Hijriati, Na’imah; Thresye, Thresye; Lestia, Aprida Siska
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 19 No 3 (2025): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol19iss3pp2263-2274

Abstract

In this paper, we present an application of fuzzy subset and fuzzy subgroup to a soft set and a soft group, thereby creating a soft set and a soft group within the same group. Furthermore, we refer to the soft and soft groups as level soft sets and level soft groups. We also found out the level of soft sets and the operations on soft sets, such as intersection, union, and subset. We also examine what conditions a fuzzy subgroup and a soft group must meet to form a level soft group. Moreover, we scrutinize the properties of operations on a soft set, specifically intersection, union, and AND, and apply them to the level soft group to ascertain if they consistently produce a level soft group over the same set. Furthermore, we investigate the formation of a level soft and level soft group resulting from the homomorphism of the group and soft group. The research findings can enrich studies on the relationships between structures in fuzzy subgroups and soft groups and the application of soft group levels in further research.
PENGARUH PEMAHAMAN TASAWUF DAN INTEGRASI ILMU PENGETAHUAN TERHADAP KEHIDUPAN SOSIAL MAHASISWA UNIVERSITAS SUNAN GIRI SURABAYA Idris, Mochammad; Solchan Ghozali
As-Sulthan Journal of Education Vol. 2 No. 1 (2025): Agustus
Publisher : As-Sulthan Journal of Education

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

Abstract

This study examines the influence of Sufism understanding and knowledge integration on students' social lives. Using a quantitative approach, data were collected through a Likert-scale questionnaire measuring Sufism understanding, knowledge integration, and students' social lives at Sunan Giri University, Surabaya. Multiple linear regression was used as the analysis technique, and validity and reliability tests ensured data quality. The results indicate that Sufism understanding and knowledge integration significantly influence students' social lives. The integration of Sufism teachings into students' academic and social lives can strengthen their social character and interpersonal relationships. This study recommends that universities integrate spiritual values ​​into their educational curricula. However, this study's limitation is the limited sample size; therefore, further research with a larger sample size is recommended for more representative results.
A New Notion of Inner Product in A Subspace of n-Normed Spaces Nur, Muh; Idris, Mochammad
Journal of the Indonesian Mathematical Society VOLUME 29 NUMBER 3 (NOVEMBER 2023)
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.29.3.1412.372-381

Abstract

Given an n-normed space X for n>= 2$, we investigate the completness of Y (as subspace of X) respect to a new norm that corresponds this new inner product on Y. Moreover, we discuss the angle between two subspaces in Y.
AN AREA OF RIGHT TRIANGLE FOR TRIGONOMETRY IDRIS, MOCHAMMAD; SHIDDIQ, MOHAMMAD MAHFUZH; ERIDANI, ERIDANI
Jurnal Matematika UNAND Vol. 12 No. 4 (2023)
Publisher : Departemen Matematika dan Sains Data FMIPA Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jmua.12.4.267-275.2023

Abstract

In this paper, we shall investigate formula of tangent function through determination of area of right triangle and rectangle. The consequence of this formula is used to obtain the other two trigonometric function, i.e. sine and cosine functions. Moreover, we also reprove Pythagorean theorem.
Co-Authors Ahmad Taufik Alkatiri, Gina Amalia, Zharfa Rizqi Andriani, Asfia El-Yunusi, Muhammad Yusron Maulana Eridani, Eridani Faisal Faisal Gunawan, I Wayan Ari Hijriati, Naimah Lestia, Aprida Siska Lissa, Hermei Masnawati , Eli Mohammad Mahfuzh Shiddiq Muh Nur Pardi Affandi Saman Abdurrahman Solchan Ghozali Thresye Thresye