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All Journal Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi
Afifah Farhanah Akadji
Jurusan Matematika, Universitas Negeri Gorontalo, Bone Bolango 96119, Indonesia
Computer Science & IT Mathematics

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BILANGAN TERHUBUNG TITIK PELANGI PADA AMALGAMASI GRAF BERLIAN Afifah Farhanah Akadji; Dennynatalis Taha; Narti Lakisa; Nisky Imansyah Yahya
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi EULER: Volume 7 Issue 2 December 2019
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/euler.v7i2.10345

Abstract

Suppose there is a simple, and finite graph G = (V, E). The coloring of vertices c is denoted by c: E(G) → {1,2, ..., k} with k is the number of rainbow colors on graph G. A graph is said to be rainbow connected if every pair of points x and y has a rainbow path. A path is said to be a rainbow if there are not two edges that have the same color in one path. The rainbow connected number of graph G denoted by rc(G) is the smallest positive integer-k which makes graph G has rainbow coloring. Furthermore, a graph is said to be connected to rainbow vertex if at each pair of vertices x and y there are not two vertices that have the same color in one path. The rainbow vertex connected to the number of graph G is denoted by rvc(G) is the smallest positive integer-k which makes graph G has rainbow coloring. This paper discusses rainbow vertex-connected numbers in the amalgamation of a diamond graph. A diamond graph with 2n points is denoted by an amalgamation of a diamond graph by adding the multiplication of the graph t at point v is denoted by Amal (Brn,v,t).
MODEL EPIDEMIK SEIR PADA KASUS PENYAKIT JANTUNG KORONER PADA PENDERITA KOLESTROL Afifah Farhanah Akadji; Karina Anselia Mamonto; Anisa Fitra Dila Hubu; Mohamad Syahfwan Ismail
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi EULER: Volume 8 Issue 1 June 2020
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/euler.v8i1.10349

Abstract

Coronary heart disease (CHD) is caused by various reasons. One of the main causes of coronary heart disease is cholesterol. Cholesterol comes from two sources, namely, that which is produced by the liver and through the food consumed. This article discusses the mathematical model of coronary heart disease which refers to the SEI (Susceptible-exposed-infected) model, with modifications in the form of the addition of the recovered (R) variable and parameters in the form of a healthy lifestyle and surgery. Hereinafter this model is called the SEIR (Susceptible-Exposed-Infected-Recovered) model. This study aims to determine the problem of coronary heart disease in cholesterol sufferers and to analyze the effect of operating parameters and a healthy lifestyle on the patient's healing (R) is higher than the opportunity value of the other groups. And the opportunity value of an infected individual is much lower than that of other groups. This shows that the chances of recovery for people with coronary heart disease with a high operating route.
Co-Authors Anisa Fitra Dila Hubu Dennynatalis Taha Karina Anselia Mamonto Mohamad Syahfwan Ismail Narti Lakisa NISKY IMANSYAH YAHYA