Publikasi

Published Articles in Journals

• Setiawaty, B., Maharani, M., Ruhiyat, & Erliana, W. (2025). Loss Elimination Ratio of Total Motor Vehicle Insurance Losses Using Ordinary Deductible. Jurnal Matematika UNAND, 14(1), 1-13. doi:10.25077/jmua.14.1.1-13.2025 (URL)

• Setiawaty, B., Istiadi, H. A. F., Ruhiyat, & Erliana, W. (2024). Estimasi Tail Value at Risk Return Portofolio Tiga Obligasi Menggunakan Simulasi Monte-Carlo. MILANG Journal of Mathematics and Its Applications, 20(2), 77-87. doi:10.29244/milang.20.2.77-87 (URL)

• Wilianto, J. R., Ruhiyat, & Sumarno, H. (2024). Pemodelan Waktu Hilangnya Penglihatan Penderita Retinopati Diabetik dengan Beberapa Model Survival. Limits: Journal of Mathematics and Its Applications, 21(2), 139-166. doi:10.12962/limits.v21i2.14479 (URL)

• Budiarti, R., Sulaiman, M. Y., Purnaba, I. G. P., Erliana, W., Setiawaty, B., & Ruhiyat. (2024). Analisis Hubungan Harga Emas dan Pasar Saham Menggunakan Mixed-Copulas. MILANG Journal of Mathematics and Its Applications, 20(1), 15-29. doi:10.29244/milang.20.1.15-29 (URL)

• Ramadhanty, A., Erliana, W., & Ruhiyat. (2023). Penentuan Premi dan Cadangan Manfaat Asuransi Jiwa Last Survivor Menggunakan Hukum Mortalitas Beard-Makeham. MILANG Journal of Mathematics and Its Applications, 19(2), 141-151. doi:10.29244/milang.19.2.141-151 (URL)

• Maharani, A., Purnaba, I. G. P., & Ruhiyat. (2023). Comparison of the Actuarial Model for a Normal Lumpsum Pension Plan Using Defined-Benefit and Hybrid Models of Company Employees. InPrime: Indonesian Journal of Pure and Applied Mathematics, 5(2), 161-174. doi:10.15408/inprime.v5i2.32741 (URL)

• Ardana, N. K. K., Ruhiyat, Amany, N., Irawan, T. K., Raymond, Karunia, R., & Fauzia, S. (2023). Perbandingan Metode KNN, Naive Bayes, dan Regresi Logistik Binomial dalam Pengklasifikasian Status Ekonomi Negara. Jambura Journal of Mathematics, 5(2), 404-418. doi:10.34312/jjom.v5i2.21103 (URL)

• Ardiansyah, Y., Erliana, W., Ruhiyat, Purnaba, I. G. P., & Septyanto, F. (2023). Penentuan Premi dan Cadangan Manfaat Asuransi Jiwa Joint Life saat Tingkat Bunga Dimodelkan dengan Cox-Ingersoll-Ross. MILANG Journal of Mathematics and Its Applications, 19(1), 23-41. doi:10.29244/milang.19.1.23-41 (URL)

• Ruhiyat, Seriawaty, B., & Dhuha, M. Z. (2023). Value at Risk dan Tail Value at Risk dari Peubah Acak Besarnya Kerugian yang Menyebar Alpha Power Pareto. Jambura Journal of Mathematics, 5(1), 67-82. doi:10.34312/jjom.v5i1.16586 (URL)

• Gunawan, K., Ruhiyat, & Purnaba, I. G. P. (2022). Penerapan Analisis Regresi Logistik Ordinal pada Asuransi Kredit Perdagangan Domestik. Jurnal Statistika dan Aplikasinya, 6(2), 366-380. doi:10.21009/JSA.06220 (URL)

• Wiyoto, B. N. A., Ruhiyat, & Sumarno, H. (2022). Competing Risk Analysis bagi Pasien Pneumonia di Suatu Rumah Sakit. MILANG Journal of Mathematics and Its Applications, 18(2), 99-114. doi:10.29244/milang.18.2.99-114 (URL)

• Adilla, I., Purnaba, I. G. P., Ruhiyat, Setiawaty, B., Erliana, W., & Septyanto, F. (2022). Premi Bersih Tahunan Asuransi Jiwa Berjangka untuk Kasus Multiple Decrement dengan Variasi Suku Bunga. MILANG Journal of Mathematics and Its Applications, 18(2), 139-153. doi:10.29244/milang.18.2.139-153 (URL) 

• Godfrey, F. G., Purnaba, I. G. P., & Ruhiyat. (2022). Penentuan Premi Tunggal Bersih pada Reversionary Annuity untuk Pasangan Suami Istri dengan Model Frank's Copula. Jambura Journal of Mathematics, 4(2), 277-295. doi:10.34312/jjom.v4i2.13952 (URL)

• Ruhiyat, Erliana, W., Lamberto, K., & Ardelia, E. (2022). Last-Survivor Insurance Premium and Benefit Reserve Calculation using Gamma-Gompertz Mortality Law. Jurnal Matematika Integratif, 18(1), 9-18. doi:10.24198/jmi.v18.n1.38678.9-18 (URL)

• Mangku, I. W., Sakinah, F., & Ruhiyat. (2016). Estimating the Mean and Variance Functions of a Compound Poisson Process Having Power Function Intensity. Far East Journal of Mathematical Sciences, 100(9), 1455-1465. doi:10.17654/MS100091455 (URL)

• Ruhiyat, Hanum, F., & Permana, R. A. (2015). Penjadwalan Kegiatan Perkuliahan Menggunakan Goal Programming: Studi Kasus di Program Studi S1 Matematika FMIPA IPB (Scheduling the Lectures Using Goal Programming: Case Study in Mathematics Undergraduate Study Program, FMIPA IPB). Jurnal Matematika dan Aplikasinya, 14(2), 43-54. doi:10.29244/jmap.14.2.45-56 (URL)

• Mangku, I. W., Ruhiyat, & Purnaba, I. G. (2013). Statistical Properties of an Estimator for the Mean Function of a Compound Cyclic Poisson Process. Far East Journal of Mathematical Sciences, 82(2), 227-237. (URL)

• Ruhiyat, Mangku, I. W., & Purnaba, I. G. (2013). Consistent Estimation of the Mean Function of a Compound Cyclic Poisson Process. Far East Journal of Mathematical Sciences, 77(2), 183-194. (URL)

• Ruhiyat, Ilyas, M., Garnadi, A. D., & Nurdiati, S. (2012). Teknik Rekonstruksi Aljabar untuk Menyelesaikan Sistem Persamaan Linear dengan SCILAB (The Algebraic Reconstruction Technique for Solving System of Linear Equations using SCILAB). Jurnal Matematika dan Aplikasinya, 11(2), 11-18. doi:10.29244/jmap.11.2.11-18 (URL)

• Adiyatno, F., Wardhana, M. F., Ruhiyat, Utomo, S. A., & Prasetyo, W. (2010). Penerapan Metode Heuristik untuk Menentukan Jalur Distribusi Terpendek dengan Biaya Minimum (The Application of Heuristic Method to Determine the Shortest Distribution Path at a Minimum Cost). Jurnal Matematika dan Aplikasinya, 9(1), 23-30. doi:10.29244/jmap.9.1.23-30 (URL)

Published Articles in Proceedings

• Ruhiyat, Aslam, M. A. M., & Purnaba, I. G. (2024). Contingent Life Insurance Premium and Policy Value using Gamma-Gompertz Mortality Distribution Model. The 9th SEAMS-UGM International Conference on Mathematics and Its Applications 2023. AIP Conference Proceedings, Volume 3201, Number 1, pages 020012. 25-28 July 2023, Yogyakarta, Indonesia: Universitas Gadjah Mada. doi:10.1063/5.0230592 (URL)

• Hasanah, A., Hanum, F., & Ruhiyat. (2020). Lecturer Teaching Scheduling that Minimize the Difference of Total Teaching Load Using Goal Programming. International Conference on Mathematics, Statistics, and Data Science (ICMSDS) 2020. Journal of Physics: Conference Series, Volume 1863, pp. 1-16. 11-12 November 2020, Bogor, Indonesia: IPB University. doi:10.1088/1742-6596/1863/1/012003 (URL)

• Ruhiyat, Mangku, I. W., & Purnaba, I. G. (2013). Peluang Kebangkrutan pada Model Risiko dengan Proses Poisson Takhomogen (The Probability of Ruin in a Risk Model with a Nonhomogeneous Poisson Process). Prosiding Seminar Nasional Matematika VII (pp. 617-623). 26 October 2013, Semarang, Indonesia: Universitas Negeri Semarang.

• Ruhiyat, Mangku, I. W., & Purnaba, I. G. (2013). Laju Kekonvergenan Penduga Fungsi Nilai Harapan pada Proses Poisson Periodik Majemuk (The Rate of Convergence of the Estimator of the Mean Function of a Compound Cyclic Poisson Process). Prosiding Seminar Nasional Matematika dan Aplikasinya 2013 (pp. 214-221). 21 September 2013, Surabaya, Indonesia: Universitas Airlangga.