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All Journal Limits: Journal of Mathematics and Its Applications JES-MAT (Jurnal Edukasi dan Sains Matematika)
Daswa Daswa
Universitas Kuningan
Education Mathematics

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SOLUSI HAMPIRAN PERSAMAAN LOGISTIK NON-AUTONOMOUS Mohamad Riyadi; Daswa Daswa
Jurnal Edukasi dan Sains Matematika (JES-MAT) Vol 5, No 1 (2019): Jurnal Edukasi dan Sains Matematika (JES-MAT)
Publisher : Department of Mathematics Education, Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (760.349 KB) | DOI: 10.25134/jes-mat.v5i1.1745

Abstract

The aim of this study is to derive the approximation solution of the non-autonomous logistic equation with a non-constant carrying capacity. The solution is found via predictor-corrector method (Adams-Bashforth-Moulton method, Milne method and Hamming method). The approximation solution that obtained, then, is compared to the exact solution. The results show that, for small step size, the approximation solution approximate the exact solution is in good agreement.
APLIKASI PEWARNAAN GRAF PADA MASALAH PENYUSUNAN JADWAL PERKULIAHAN DI UNIVERSITAS KUNINGAN Daswa Daswa; Mohamad Riyadi
Jurnal Edukasi dan Sains Matematika (JES-MAT) Vol 3, No 2 (2017): JURNAL EDUKASI DAN SAINS MATEMATIKA
Publisher : Department of Mathematics Education, Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (536.919 KB) | DOI: 10.25134/jes-mat.v3i2.695

Abstract

AbstractAt the beginning of the semester, the study program must arrange a lecture schedule. Among the problems faced is when there are students who take courses at once in one semester. By identifying the course as a knot, the schedule arrangement can be overcome by dyeing the vertex of the graph, by applying the Welch-Powell algorithm. Graph coloring results are neighboring nodes given different colors. With this method can be determined lecture schedule so that no clashing occurs. And courses that can be done simultaneously, that is, the node with the same color.Keywords: Lecture Schedule, Graf Staining, Welch-Powell Algorithm
Solusi Model Merokok Menggunakan Metode Perturbasi Homotopi Mohamad Riyadi; Daswa Daswa; Mia Aditya Putri
Limits: Journal of Mathematics and Its Applications Vol 18, No 2 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/limits.v18i2.6479

Abstract

Artikel ini meninjau masalah dinamika perilaku merokok. Metode perturbasi homotopi diterapkan untuk menghitung solusi sistem persamaan differensial pada masalah tersebut. Hasil ini kemudian dibandingkan dengan hasil dari metode numerik. Hasil menunjukkan bahwa solusi metode perturbasi homotopi cenderung menghasilkan kecocokan yang baik terhadap solusi numerik pada beberapa selang waktu.
Co-Authors Mia Aditya Putri Mohamad Riyadi