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Penentuan Premi Asuransi Jiwa Gabungan Dwiguna dengan Asumsi Mortalita Gompertz dan Pengaruh Nilai Tukar terhadap Tingkat Bunga Alfiana, Khoiroh; Himayati, Ade Ima Afifa
Square : Journal of Mathematics and Mathematics Education Vol 2, No 2 (2020)
Publisher : UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/square.2020.2.2.6411

Penelitian ini berfokus pada pembahasan mengenai perhitungan premi asuransi jiwa gabungan dwiguna. Asuransi jiwa gabungan dwiguna memberikan dua manfaat sekaligus yaitu manfaat diberikan jika salah satu tertanggung meninggal dunia atau memberikan manfaat jika kedua tertanggung masih hidup hingga akhir masa kontrak asuransi. Perhitungan premi asuransi jiwa gabungan dwiguna ini melibatkan asumsi Gompertz pada probabilitas hidup dan pengaruh nilai tukar pada tingkat bunga. Perhitungan premi dihitung berdasarkan asumsi mortalita Gompertz, yang mempengaruhi probabilitas hidup tertanggung status gabungan. Selain itu, adanya pengaruh fluktuasi dollar terhadap tingkat bunga yang berdampak pada nilai premi asuransi. Berdasarkan hasil yang diperoleh, turunnya nilai tukar rupiah mengakibatkan tingkat bunga meningkat jika dibandingkan dengan tingkat bunga acuhan. Sehingga, dapat disimpulkan nilai premi asuransi dipengaruhi nilai tukar. Hal ini berakibat adanya peningkatan risiko yang dialami perusahaan asuransi.Kata kunci: asuransi jiwa gabungan dwiguna, hukum mortalita Gompertz, nilai tukar.

Developing mathematical exercise software for visually impaired students Arlinwibowo, Janu; Mustaqim, Yunus; Prihandono, Agung; Hana, Fida Maisa; Ridwan, Achmad; Himayati, Ade Ima Afifa
Psychology, Evaluation, and Technology in Educational Research Vol 3, No 2 (2021)
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/petier.v3i2.81

This study aims to develop an Android-based math exercises application for the visually impaired. This research is development research carried out with research steps, namely: (1) preliminary research, (2) prototyping stage, and (3) assessment phase. The research was conducted between April 2020 and December 2020. The material chosen in the application developed was a plan taught in 8 grade. The research process involved six experts in assessing the product, namely three mathematics education experts to assess the validity of the aspects of mathematical content, two blind education experts to assess visually impaired content suitability and accessibility, and 1 IT expert to assess product performance. The product was tested on nine visually impaired. The quality of teaching materials is based on three basic aspects: feasibility, practicality, and effectiveness. The conclusions of this study are: (1) the product has good quality because it has been declared feasible by experts, practical, which can be seen from the enthusiastic response and student testimonials, and is effective because it can be used to learn and measure abilities, (2) the application is divided into three sections, preamble (contains the opening tune and instructions for use), practice questions, and results. Application development is based on two elements, namely accessibility and compatibility of the content with the cognition of the visually impaired, (3) the question page consists of questions (will be read when entering the page and can be repeated when the user taps the question section), under the question, there is a question number. There is a question; answer choices are arranged twice in two (the answer choices will be read out when pressed by the user). There is an answer lock button at the very bottom, and (4) the visually impaired want an application that has a simple operating system, provides challenges to the user and has two functions, namely measuring their abilities and facilitating their learning.

REGULARITAS DAN RELASI GREEN PADA SEMIGRUP TRANSFORMASI LINEAR PARSIAL INJEKTIF DENGAN RESTRIKSI RANGE Ade Ima Afifa Himayati
Jurnal Karya Pendidikan Matematika Vol 7, No 2 (2020): Jurnal Karya Pendidikan Matematika Volume 7 Nomor 2 Tahun 2020
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jkpm.7.2.2020.73-80

Injective partial linear transformations in the vector space V and the function composition operations form semigroups called semigroups of injective partial linear transformations denoted by I (V). Suppose Z is a subspace in a vector space V, then the set of all members of I (V) whose function results are contained in Z to the function composition operation is also a semigroup denoted by I (V, Z) which is called a semigroup of injectable partial linear transformations with range restrictions. . In this article, we will examine how the characteristics of regular elements and the characteristics of two set members in I (V, Z) are related to Green using the literature study method. The results of the research in this article are the necessary and sufficient conditions needed so that any element is called a regular element and the characteristics of the two members of the set I (V, Z) are related.

Developing mathematical exercise software for visually impaired students Janu Arlinwibowo; Yunus Mustaqim; Agung Prihandono; Fida Maisa Hana; Achmad Ridwan; Ade Ima Afifa Himayati
Psychology, Evaluation, and Technology in Educational Research Vol. 3 No. 2 (2021)
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/petier.v3i2.81

This study aims to develop an Android-based math exercises application for the visually impaired. This research is development research carried out with research steps, namely: (1) preliminary research, (2) prototyping stage, and (3) assessment phase. The research was conducted between April 2020 and December 2020. The material chosen in the application developed was a plan taught in 8 grade. The research process involved six experts in assessing the product, namely three mathematics education experts to assess the validity of the aspects of mathematical content, two blind education experts to assess visually impaired content suitability and accessibility, and 1 IT expert to assess product performance. The product was tested on nine visually impaired. The quality of teaching materials is based on three basic aspects: feasibility, practicality, and effectiveness. The conclusions of this study are: (1) the product has good quality because it has been declared feasible by experts, practical, which can be seen from the enthusiastic response and student testimonials, and is effective because it can be used to learn and measure abilities, (2) the application is divided into three sections, preamble (contains the opening tune and instructions for use), practice questions, and results. Application development is based on two elements, namely accessibility and compatibility of the content with the cognition of the visually impaired, (3) the question page consists of questions (will be read when entering the page and can be repeated when the user taps the question section), under the question, there is a question number. There is a question; answer choices are arranged twice in two (the answer choices will be read out when pressed by the user). There is an answer lock button at the very bottom, and (4) the visually impaired want an application that has a simple operating system, provides challenges to the user and has two functions, namely measuring their abilities and facilitating their learning.

Penentuan Premi Asuransi Jiwa Gabungan Dwiguna dengan Asumsi Mortalita Gompertz dan Pengaruh Nilai Tukar terhadap Tingkat Bunga Khoiroh Alfiana; Ade Ima Afifa Himayati
Square : Journal of Mathematics and Mathematics Education Vol 2, No 2 (2020)
Publisher : UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/square.2020.2.2.6411

Penelitian ini berfokus pada pembahasan mengenai perhitungan premi asuransi jiwa gabungan dwiguna. Asuransi jiwa gabungan dwiguna memberikan dua manfaat sekaligus yaitu manfaat diberikan jika salah satu tertanggung meninggal dunia atau memberikan manfaat jika kedua tertanggung masih hidup hingga akhir masa kontrak asuransi. Perhitungan premi asuransi jiwa gabungan dwiguna ini melibatkan asumsi Gompertz pada probabilitas hidup dan pengaruh nilai tukar pada tingkat bunga. Perhitungan premi dihitung berdasarkan asumsi mortalita Gompertz, yang mempengaruhi probabilitas hidup tertanggung status gabungan. Selain itu, adanya pengaruh fluktuasi dollar terhadap tingkat bunga yang berdampak pada nilai premi asuransi. Berdasarkan hasil yang diperoleh, turunnya nilai tukar rupiah mengakibatkan tingkat bunga meningkat jika dibandingkan dengan tingkat bunga acuhan. Sehingga, dapat disimpulkan nilai premi asuransi dipengaruhi nilai tukar. Hal ini berakibat adanya peningkatan risiko yang dialami perusahaan asuransi.Kata kunci: asuransi jiwa gabungan dwiguna, hukum mortalita Gompertz, nilai tukar.

KARAKTERISASI DAN BEBERAPA SIFAT RUANG CEC Erik Maurten Firdaus; Ade Ima Afifa Himayati
Journal of Fundamental Mathematics and Applications (JFMA) Vol 4, No 2 (2021)
Publisher : Diponegoro University

Abstract. In this paper, we define the notion of CEC spaces. We also study about acharacterization and some properties of CEC spaces such as hereditary, topologicalproperty, finite productive, and divisible.Abstrak. Di dalam tulisan ini, didefinisikan ruang CEC. Dibahas pula karakterisasidan beberapa sifat ruang CEC seperti menurun, sifat topologi, produk berhingga, dan terbagi.

Stability Analysis of Leslie-Gower Model with Herd Behavior on Prey M. Adib Jauhari Dwi Putra; Ade Ima Afifa Himayati
InPrime: Indonesian Journal of Pure and Applied Mathematics Vol 4, No 1 (2022)
Publisher : Department of Mathematics, Faculty of Sciences and Technology, UIN Syarif Hidayatullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/inprime.v4i1.24464

We studied the Leslie-Gower model of predator-prey with herd behavior. The square root functional response models predator and prey interactions that show herd behavior. This study aims to determine the formulation of the predator-prey model with herd behavior on prey, knowing the fixed points and its stability and simulating the model numerically. We found three fixed points that may exist: the extinction point of both species, the extinction of predator point, and the point of coexistence of the two species. The extinction of predator points is always unstable, while the point of coexistence of the two species can be stable under certain conditions. Due to the presence of square roots, the behavior of the solutions near the extinction point of the two species is not readily apparent. Numeric simulation shows that changing the initial condition and parameters can change the system's stability.Keywords: predator-prey; functional response; herd behavior; square root functional response, Leslie-Gower model. AbstrakArtikel membahas model predator prey Leslie-Gower dengan perilaku bergerombol pada prey. Interaksi predator dan prey yang menunjukkan perilaku bergerombol dimodelkan dengan fungsi respon akar kuadrat. Penelitian ini bertujuan untuk mengetahui formulasi model predator-prey dengan perilaku bergerombol pada prey, mengetahui titik ekuilibrium dan kestabilannya serta menyimulasikan model tersebut secara numerik. Hasil menunjukkan terdapat tiga titik tetap yang mungkin eksis, yaitu titik kepunahan kedua spesies, titik kepunahan predator dan titik koeksistensi kedua spesies. Titik kepunahan predator selalu tidak stabil, sedangkan titik koeksistensi kedua spesies bisa stabil dengan syarat tertentu. Karena adanya akar kuadrat, perilaku solusi di dekat titik kepunahan kedua spesies tidak mudah terlihat. Simulasi numerik menunjukkan bahwa perubahan nilai awal dan parameter dapat mengubah kestabilan sistem.Kata Kunci: predator prey; fungsi respons; perilaku bergerombol; fungsi respon akar kuadrat; model Leslie-Gower.

Application of the Greedy Algorithm for Graph Coloring of the Grobogan Regency Map: Application of the Greedy Algorithm for Graph Coloring of the Grobogan Regency Map Ade Ima Afifa Himayati; Muhammad Adib Jauhari Dwi Putra; Erik Maurten Firdaus; Muhammad Faudzi Bahari
Eigen Mathematics Journal Vol. 5 No. 2 Desember 2022
Publisher : University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/emj.v5i2.149

The district map in Grobogan Regency can be optimized using the Greedy algorithm. The point on the graph represents the district and the line represents two areas that are directly adjacent. Greedy Algorithm is one of the algorithms developed to solve the problem of graph coloring to be able to produce minimal colors that are used without having the same color in areas that are directly adjacent. Greedy’s algorithm uses a set of color candidates and solutions in its solution. Staining is done at the point with the greatest degree followed by an examination of the appropriateness of the color with the principle that no neighboring points have the same color. The resulting color is included in the solution set. The process is continued until all the dots have been colored. Regional coloring in Grobogan district produces four colors with a greedy algorithm as the minimum color solution obtained

UPAYA MENINGKATKAN MOTIVASI BELAJAR SISWA SD DENGAN PEMBELAJARAN BERBASISI PERMAINAN TRADISONAL (ENGKLEK) Ade Ima Afifa Himayati; Yoga Awalludin Nugraha; Muhammad Aris Prasetyo; Ika Tristanti; Yulisetyaningrum Yulisetyaningrum
Jurnal ABDIMAS Indonesia Vol 4, No 2 (2022): JURNAL ABDIMAS INDONESIA
Publisher : STIKES Muhammadiyah Kudus

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

Motivasi dan belajar merupakan dua hal yang saling mempengaruhi. Belajar adalah perubahan tingkah laku secara relatif permanen dan secara potensial terjadi sebagai hasil dari praktik atau penguatan yang dilandasi tujuan untuk mencapai tujuan tertentu. Kurangnya motivasi belajar siswa dapat terjadi akibat beberapa hal, salah satunya kurangnya inovasi dari guru dalam pelaksanan pembelajaran. Rendahnya motivasi belajar siswa ini terjadi juga di SD Negeri 1 Loram Kulon. Berdasarkan permasalahan tersebut, pelaksanaan pengabdian masayrakat di SD Negeri 1 Loram Kulon ini bertujuan untuk: (1) meningkatkan motivasi belajar siswa dengan pembelajaran berbasisi permainan tradisional (engklek); dan (2) sedangkan untuk guru diharapkan dapat menerapkan Pernainan Tradisonal (Engklek) Sebagai Media Pembelajaran. Maka dari pelaksanaan pengabdian masyrakat ini dapat memberikan pengetahuan dan pengalaman baru kepada guru maupun siswa.

Research Trends in Mathematical Modeling Applied to Pandemic Cases: A Bibliometric Analysis Rosyida, Azma; Utami, Risqi; Arlinwibowo, Janu; Fatima, Gupita Nadindra; Himayati, Ade Ima Afifa
InPrime: Indonesian Journal of Pure and Applied Mathematics Vol 5, No 1 (2023)
Publisher : Department of Mathematics, Faculty of Sciences and Technology, UIN Syarif Hidayatullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/inprime.v5i1.28873

AbstractThe disease caused by the virus has caused a continuous pandemic worldwide since 2012. In order to slow down the rapid spread of the virus, many countries have taken recovery measures. This paper aims to analyze the trends of modeling pandemic cases in Scopus-indexed journals. The research method is a literature review using a bibliometric analysis approach starting from defining the keywords modeling' and ‘pandemic' in the Publish or Perish application with Google Scholar as the database. After narrowing the results by selecting the topic of modeling the pandemic problem it consisted of 200 articles in total. After that, the metadata was compiled using the Mendeley application, the VosViewer application was used to create a research trend visualization. The results obtained by bibliometric analysis show that the number of publications continues to increase. Which journals are published, which organizations and countries publish the most, how the evolution of perspective has changed since 2012, and which articles are most cited. We conclude that since the pandemic, there is a possibility of an evolution in the quality of publications.Keywords: bibliometric analysis; pandemic; mathematical model; Mendeley; Publish or Perish; Vosviewer. AbstrakPenyakit yang diakibatkan dari virus telah menyebabkan pandemi berkelanjutan di seluruh dunia sejak 2012. Untuk memperlambat penyebaran virus yang cepat, banyak negara telah mengambil langkah pemulihan. Tulisan ini bertujuan untuk menganalisis tren pemodelan kasus pandemi di jurnal terindeks Scopus. Metode penelitian adalah kajian pustaka dengan pendekatan analisis bibliometrik dimulai dari pendefinisian kata kunci ‘pemodelan’ dan 'pandemi' pada aplikasi Publish or Perish dengan database Google Scholar. Setelah dilakukan penyempitan hasil dengan pemilihan topik pemodelan masalah pandemi maka total artikel menjadi 200 artikel. Setelah itu dilakukan kompilasi metadata menggunakan aplikasi Mendeley, aplikasi VosViewer digunakan untuk membuat visualisasi trend penelitian. Hasil yang diperoleh dengan analisis bibliometrik menunjukkan bahwa jumlah publikasi terus meningkat. Jurnal mana yang diterbitkan, organisasi dan negara mana yang paling banyak menerbitkan, bagaimana evolusi perspektif telah berubah sejak 2012, dan artikel mana yang paling banyak dikutip. Kami menyimpulkan bahwa sejak pandemi, ada kemungkinan terjadi evolusi kualitas publikasi.Kata Kunci: analisis bibliometrik; pandemi; model matematika; Mendeley; Publish or Perish; Vosviewer. 2020MSC: 00A71, 92B05.

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