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All Journal Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Journal of the Indonesian Mathematical Society SEMIRATA 2015 BAREKENG: Jurnal Ilmu Matematika dan Terapan International Journal of Computing Science and Applied Mathematics Mathematics and Applications (MAp) Journal Journal of Community Engagement Research for Sustainability SAINSTEK Jcommits : The Journal of Community Empowerment, Innovation, and Sustainability
Musraini M
Universitas Riau
Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Physics Public Health Social Sciences Transportation Other

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PERHITUNGAN VALUE AT RISK PORTOFOLIO SAHAM MENGGUNAKAN METODE SIMULASI MONTE CARLO Adilla Chandra; Johannes Kho; Musraini M
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 2 (2014): Wisuda Oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

This article discusses the calculation of Value at Risk (VaR) for stock portfolio usingMonte Carlo simulation. The standard deviation of return data of multiple stock andportfolio are normally distributed and used in the calculation of VaR. Monte Carlomethod is applied to simulate a new return value of stock and portfolio by generating arandom numbers based on the characteristics of the data, which is then used to estimatea VaR. The calculation of VaR at portfolio uses two assets which are Semen Indonesia (Persero) Tbk (SMGR.JK) and PT. Unilever Indonesia Tbk (UNVR.JK).
KESETARAAN UJI PEPIN DAN LUCAS-LEHMER Yulismansyah '; Sri Gemawati; Musraini M
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 2, No 1 (2015): Wisuda Februari 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Pepin test provides a necessary and sufficient condition for a Fermat number to be a prime. Lucas-Lehmer test provides a necessary and sufficient condition for a Mersenne number to be a prime. In this article, we review a part of the work of Jaroma [European Journal of Pure and Applied Mathematics Vol. 2, No. 3, 2009, (352-360)] that is the equivalence structure of Pepin test and Lucas-Lehmer test through Lehmer sequences so that both test can be used to check when a Fermat number or a Mersenne number to be a prime.
PAID UP INSURANCE DAN EXTENDED INSURANCE PADA ASURANSI JIWA BERJANGKA UNTUK STATUS HIDUP GABUNGAN Risma Rio Pratiwi; Rolan Pane; Musraini '
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 2, No 1 (2015): Wisuda Februari 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Insurance companies provide the extended insurance policy and paid up insurance to policyholders  who canceled the insurance contract.  This policy aims to prevent the insurance company and the  policyholders  from losing their money.  This article discusses the extended insurance and insurance paid up of a joint life  policyholders whose age are  x  and  y  years joining  a term life insurance program.  The evaluation of  extended insurance and paid up insurance uses the commutation symbol. A  numerical example is given at the end of the discussion to show the implementation of the case discussed.PAID UP INSURANCE DAN EXTENDED INSURANCE PADA ASURANSI JIWA BERJANGKA UNTUK STATUS HIDUP GABUNGAN
PEMILIHAN GRUP UNTUK KRIPTOSISTEM GTRU Abdul Hadi; Musraini Musraini; Sri Gemawati
MAp (Mathematics and Applications) Journal Vol 4, No 1 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/map.v4i1.3394

Abstract

Kriptosistem kunci publik seperti NTRU yang berdasarkan pada grup, dikenal dengan nama GTRU (Group Theory Research Unit) [1]. Dalam pengkonstruksian GTRU, tidak semua grup dapat digunakan. Hal ini disebabkan proses dekripsi pada GTRU  berhasil hanya pada grup dengan kondisi tertentu saja. Di [1], diberikan hanya dua contoh grup yang  dapat digunakan untuk mengkonstruksi GTRU, yaitu grup ${{\mathbb{Z}}^{\{{{\phi }_{i}}:1\le i\le n\}}}$ yang isomorfis dengan ${{\mathbb{Z}}^{n}}$ dan grup poly-$\mathbb{Z}$ ${{G}_{n}}={{\mathbb{Z}}^{n-3}}\times \mathcal{H}$ dimana $\mathcal{H}$ adalah grup Heisenberg Diskrit yang dapat diaplikasikan pada internet of thing (IoT). Pada tulisan ini disediakan beberapa pilihan grup lain yang dapat digunakan dan tidak dapat digunakan untuk mengkonstruksi kriptosistem GTRU. 
Analisis Hubungan Ketaksamaan Nilai Singular Pada Pemetaan Linier dan Rentang Numerik Untuk Fungsi EKsponensial Matriks M. Natsir; Asli Sirait; Musraini; Rolan Pane
Sainstek (e-Journal) Vol. 5 No. 2 (2017)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

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Abstract
On the Reciprocal Sums of Generalized Fibonacci-Like Sequence Musraini M.; Rustam Efendi; Endang Lily; Noor El Goldameir; Verrel Rievaldo Wijaya
(IJCSAM) International Journal of Computing Science and Applied Mathematics Vol 9, No 1 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24775401.v9i1.7895

Abstract

The Fibonacci and Lucas sequences have been generalized in many ways, some by preserving the initial conditions, and others by preserving the recurrence relation. One of them is defined by the relation B_n = B_{n−1} + B_{n−2}, n >= 2 with the initial condition B_0 = 2s, B_1 = s + 1 where s in Z. In this paper, we consider the reciprocal sums of B_n and B^2_n, with an established result that also involve Bn.
fq-Derivation of BP-Algebras Sri Gemawati; Mashadi Mashadi; Musraini M; Elsi Fitria
Journal of the Indonesian Mathematical Society VOLUME 29 NUMBER 2 (JULY 2023)
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.29.2.1448.235-244

Abstract

First, this article presents the definition of left-right derivation and right-left derivation in BP-algebra, and their characteristic are explored. Then, we define the concept of inside and outside fq-derivation of BP-algebras. Finally, their properties are explored. Furthermore, the notion of fq-derivation within BP-algebra is synonymous with B-algebra; however, they do exhibit variations in their respective characteristics.
Pengembangan Bahan Ajar Matematika Bidang Kalkulus Tingkat SMA Melalui Pengabdian Masyarakat di Kabupaten Kepulauan Meranti Zulkarnain, Zulkarnain; Danil Hendry Gamal, Moh; M, Imran; Hasbiyati, Ihda; Gemawati, Sri; M, Musraini; Mu’tamar, Khozin
JCOMMITS: Journal of Community Empowerment, Inovation, and sustainability Vol. 3 No. 1 (2025): Jcommits (The Journal of Community Empowerment, Innovation, and Sustainability)
Publisher : LPPM UNIVERSITAS LANCANG KUNING

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Abstract

Kalkulus merupakan salah satu materi penting dalam pembelajaran matematika di tingkat sekolah menengah atas, khususnya dalam pendidikan STEM. Namun, banyak guru mengalami kesulitan dalam menyusun soal yang dapat meningkatkan pemahaman konseptual siswa. Penelitian ini bertujuan untuk mengukur pemahaman guru terhadap konsep kalkulus serta kemampuan mereka dalam mengembangkan soal yang dimodifikasi melalui program pengabdian masyarakat. Studi ini melibatkan 23 guru matematika sekolah menengah atas di Kabupaten Kepulauan Meranti. Program ini terdiri dari tiga tahapan utama, yaitu: (1) asesmen awal menggunakan soal kalkulus yang mencakup persamaan, turunan, pertidaksamaan, dan kurva, (2) diskusi serta sesi pembelajaran terpandu, dan (3) latihan pembuatan soal modifikasi berdasarkan pertanyaan yang telah diberikan. Hasil penelitian menunjukkan bahwa beberapa guru memiliki pemahaman yang baik terhadap konsep dasar kalkulus, namun banyak yang mengalami kesulitan dalam memahami materi integral. Selain itu, kemampuan guru dalam menyusun soal modifikasi bervariasi. Temuan ini menegaskan pentingnya pelatihan profesional yang berkelanjutan serta kolaborasi antar lembaga pendidikan untuk meningkatkan keterampilan pedagogik guru dalam pengajaran kalkulus. Inisiatif lanjutan perlu difokuskan pada peningkatan kompetensi guru, terutama dalam memahami dan mengajarkan topik kalkulus yang lebih kompleks seperti aplikasi integral.
T-IDEAL AND α-IDEAL OF BP-ALGEBRAS Gemawati, Sri; M, Musraini; Putri, Ayunda; Marjulisa, Rike; Fitria, Elsi
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 18 No 2 (2024): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol18iss2pp1129-1134

Abstract

This paper explores the characteristics of two distinct ideal types within BP-algebra, specifically T-ideal and -ideal. Initially, we elucidate the characteristics of the T-ideal in BP-algebra, establishing its connections with the perfect, normal, and normal ideal in BP-algebra. Subsequently, we demonstrate that the kernel of a homomorphism in BP-algebra constitutes a T-ideal. Moving forward, we delineate the properties of -ideal in BP-algebra, highlighting its relationships with ideal and filter in the context of BP-algebra. Additionally, we explore the characteristics of -ideal and subalgebra in 0-commutative BP-algebra. Finally, it is proven that the kernel of a homomorphism in 0-commutative BP-algebra can be identified as an -ideal.
Pengembangan Desa Cinta Statistik Sebagai Upaya Percepatan Penguatan Statistik Sektoral di Desa Selatbaru SITI SUHAILA; Anne Mudya Yolanda; Rustam Efendi; Sukamto; Musraini M; Syamsudhuha; Gustriza Erda; Yenita Roza; Gumanti; M. SYIFA RAMADHAN; Althoff Hibban; Dimas Abyan Fatkhin Al-Aswad; Fandi Gusriyanda; Sarasmita Apriyenti; Adia Syaputri; Nusantri Purba; Nurhaliza; Okta Bella Syuhada
Journal of Community Engagement Research for Sustainability Vol. 4 No. 1 (2024): Januari
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/cers.4.1.32-44

Abstract

The Desa Cinta Statistik (Cantik) program aims to improve the quality of statistical data produced by increasing literacy, awareness and the active role of village officials and the village statistical community. This program is also a form of the Statistics Study Program's participation in the implementation of community service and is a collaboration between the Statistics Study Program (lecturers and students of Real Work Lectures) with BPS and Villages. The activities carried out in the form of assisting village officials in improving sectoral data and village-specific data are expected to suffice the availability of data for village development as one of the efforts to make One Data Indonesia successful. This program will be implemented in Selat Baru Village, Bengkalis Regency. Based on the data that has been collected, there are several work programs carried out by the Selatbaru Integrated Community Service Program (Cinta Statistik) Selatbaru Team in 2022. Village officials as non-productive partners have improved their sectoral data management capabilities. The outputs of the activity are the publication of Selatbaru Village statistics, Selatbaru Village Profiles and Statistics, Infographics, Monographs, and Videographics.
Co-Authors Abdul Hadi Adia Syaputri Adilla Chandra Althoff Hibban Andi Bahota Anne Mudya Yolanda Antony Wijaya Ardiansyah Yan Hakim Nasution Asli Sirait Ayunda Putri Aziskhan Amri Cecep Kusmana Danil Hendry Gamal, Moh Dimas Abyan Fatkhin Al-Aswad Elsi Fitria Endang Lily Fandi Gusriyanda Gumanti Gustriza Erda Hasriati Hasriati Imran M. Irma Silpia Irpan Riski Munte Johannes Kho M. Imran M. Natsir M. SYIFA RAMADHAN Mashadi ' Mashadi Mashadi Mu’tamar, Khozin Natsir, Muhammad Noor El Goldameir Nurazmi ' Nurhaliza Nusantri Purba Okta Bella Syuhada Pane, Rolan Riana Wendya Rike Marjulisa Risma Rio Pratiwi Rolan Pane Rolan Pane Rustam Efendi Rustam Efendi Sarasmita Apriyenti Sirait, Asli Siti Nurjanah SITI SUHAILA Solly Aryza Sri Gemawati Sri Melati Sukamto Syamsudhuha Verrel Rievaldo Wijaya Yenita Roza Yulismansyah ' Zulkarnain Zulkarnain