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All Journal EKSAKTA: Journal of Sciences and Data Analysis Media Statistika MATEMATIKA Bionatura Statistika CAUCHY: Jurnal Matematika Murni dan Aplikasi SEMIRATA 2015 Kubik JURNAL ILMU MANAJEMEN DAN BISNIS Jurnal Matematika Sains dan Teknologi Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri BAREKENG: Jurnal Ilmu Matematika dan Terapan Zero : Jurnal Sains, Matematika, dan Terapan Teorema: Teori dan Riset Matematika International Journal of Supply Chain Management Jambura Journal of Mathematics Komputasi: Jurnal Ilmiah Ilmu Komputer dan Matematika Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) InPrime: Indonesian Journal Of Pure And Applied Mathematics SMART SPORT KUBIK: Jurnal Publikasi Ilmiah Matematika International Journal of Business, Economics, and Social Development International Journal of Research in Community Services Operations Research: International Conference Series International Journal of Global Operations Research International Journal of Quantitative Research and Modeling International Journal of Ethno-Sciences and Education Research Jurnal Matematika Integratif Agridev Journal : Agribusiness Digitalization & Community Development Mathematical Sciences and Applications Journal International Journal of Technology and Education Research Indonesian Actuarial Journal

Sukono Sukono

Jurusan Matematika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Padjadjaran, Bandung, Indonesia

Author-ID : 390586

Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Veterinary Other

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Analisis Simetri Lie Persamaan Painleve Ince Maulana Malik; Siti Sabariah Abas; Mustafa Mamat; F Sukono
Jurnal Matematika Integratif Vol 15, No 1: April, 2019
Publisher : Department of Matematics, Universitas Padjadjaran

Penentuan koordinat kanonik merupakan hal yang diperlukan dalam penentuan solusi persamaan diferensial dengan menggunakan metode simetri Lie. Pada tulisan ini dibahas penentuan koordinat kanonik dari persamaan diferensial Painleve Ince dan mereduksinya menjadi persamaan diferensial orde satu. Berdasarkan hasil pembahasan metode simetri Lie dapat digunakan untuk menentukan solusi eksak persamaan diferensial Painleve Ince.

Model Optimisasi Portofolio Investasi Mean-Variance Tanpa dan Dengan Aset Bebas Risiko pada Saham Idx30 Basuki Basuki; F Sukono; Ema Carnia
Jurnal Matematika Integratif Vol 12, No 2: Oktober, 2016
Publisher : Department of Matematics, Universitas Padjadjaran

Dalam paper ini, model optimisasi portofolio investasi Mean-Variance tanpa aset bebas risiko, ataudisebut model dasar dari Markowitz telah dikaji untuk mendapatkan portofolio optimum.Berdasarkanmodel dasar dari Markowitz, kemudian dilakukan studi lebih lanjut pada model Mean-Variance denganaset bebas risiko. Selanjutnya, kedua model tersebut digunakan untuk menganalisis optimisasi portofolioinvestasi pada beberapa saham IDX30. Dalam paper ini diasumsikan bahwa proporsi sebesar 10%diinvestasikan pada aset bebas risiko, berupa deposito yang memberikan return sebesar 7% per tahun.Berdasarkan hasil analisis optimisasi portofolio investasi pada lima saham yang dipilih didapatkan grafikpermukaan efisien dari optimisasi portofolio Mean-Variance dengan aset bebas risiko, berada lebih tinggidibandingkan optimisasi portofolio Mean-Variance tanpa aset bebas risiko. Dalam hal ini menunjukkanbahwa portofolio investasi kombinasi dari aset bebas risiko dan aset tanpa bebas risiko, lebihmenguntungkan dibandingkan portofolio investasi yang hanya pada aset tanpa bebas risiko.

Willingness to Pay of Fishermen Insurance Using Logistic Regression with Parameter Estimated by Maximum Likelihood Estimation Based on Newton Raphson Iteration Yulianus Brahmantyo; Riaman Riaman; F Sukono
Jurnal Matematika Integratif Vol 17, No 1: April 2021
Publisher : Department of Matematics, Universitas Padjadjaran

The high risk of losing fishermen's life while at sea is inversely proportional to their low welfare. Fishermen are also unable to meet their daily needs when they are not going to sea. Fishermen welfare insurance can be a solution for them to meet their daily needs. Willingness to Pay (WTP) of fishermen to participate in fishermen welfare insurance can be analyzed using Logistic Regression with Newton Raphson and Genetic Algorithm approximations. Some of the main factors that can support their WTP to participate in fishermen welfare insurance, are fishermen education, membership in the fishing community, membership in fisherman business cards, and knowledge about the existence of fishermen insurance. From these four factors, Logistic Regression Model is generated which is expected to help the increase of fishermen’s WTP on fishermen insurance in Indonesia.

Determination of Community-Based Health Microinsurance Premiums Based on Health Costs Shindi Adha Gusliana; Dwi Susanti; Sukono Sukono
International Journal of Research in Community Services Vol 4, No 3 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v4i3.464

Low-income households are faced with the financial risk of paying large medical bills when a member of the household falls ill. This health-related risk can affect household welfare because meeting medical expenses has the potential to reduce income capacity. Community-based health insurance is seen as one mechanism for vulnerable low- and middle-income households to overcome barriers and to improve access to health care and financial protection. This research was conducted to determine the calculation of community-based health microinsurance premiums based on health costs and determine the average willingness to pay insurance premiums. The determination of the premium is calculated based on the pure premium and other costs. Data obtained based on surveys and data provided by health facilities. Based on the results of the research, the pure individual premium is IDR 92,297.12 per year. The total individual premium calculated based on pure premium and other costs is IDR 275,256.80 per year. If the premium is paid monthly, a premium of IDR 22,938.07 per month will be obtained. Then the average value is obtained WTP or willingness to pay IDR 38,368.42 per month. The average value of the willingness to pay is greater than the total monthly health micro insurance premium that has been determined.

Dwiguna Life Insurance Zilmer Reserves With The Cox-Ingersoll-Ross (CIR) Interest Rate Hasriati Hasriati; Sukono Sukono; Ihda Hasbiyati; T.P Nababan; Aulia Kirana
Komputasi: Jurnal Ilmiah Ilmu Komputer dan Matematika Vol 20, No 1 (2023): Komputasi: Jurnal Ilmiah Ilmu Komputer dan Matematika
Publisher : Ilmu Komputer, FMIPA, Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/komputasi.v1i1.6229

This article discusses Zilmer's reserve of dual purpose life insurance. Zillmer reserve is one type of modified premium reserve that is calculated using prospective reserves and Zillmer level of , which is the difference from gross premium and net premium in the 1st policy year is greater than standard loading, so it is necessary to find a way for the loading to be smaller than standard loading. Furthermore, in determining Zilmer's reserves using cox-ingersoll-ross interest rate (CIR) which will be expressed in the form of discount vaktor by estimating two parameters through variance.

The Influence of Operating Cash Flow, Net Income, Depreciation Expenses, and Amortization Expenses on Cash Flow Forecasting at PT. Bank XYZ Aisyah Nurul Aini; Herlina Napitupulu; Sukono Sukono
International Journal of Quantitative Research and Modeling Vol 4, No 3 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i3.496

The cash flow statement is part of a company's financial statements produced in an accounting period that shows the company's cash inflows and outflows. This study aims to analyze the effect of operating cash flow variables, net income, depreciation expense, and amortization expense on forecasting future cash flows. This research uses quantitative research using secondary data with a descriptive approach, which is analyzed using the Multiple Linear Regression method with SPSS assistance. The object used is PT. Bank XYZ for the period January 2019 to February 2023. The results show that operating cash flow affects forecasting future cash flows, net profit does not affect forecasting future cash flows, depreciation expense does not affect forecasting future cash flows, and amortization expense does not affect forecasting future cash flows. However, operating cash flow, net profit, depreciation expense, and amortization expense simultaneously affect the cash flow forecasting results. Based on the forecasting results, which have a MAPE value of 17.43%, it can be concluded that the forecasting results have good forecasting abilities.

TINJAUAN TEORITIS PENGARUH PERUBAHAN POLA CURAH HUJAN DALAM KAITANNYA DENGAN ASURANSI USAHA TANI BAWANG MERAH Agung Prabowo; Sukono; Mustafa Mamat
AgriDev Vol. 1 No. 2 (2023)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/Agridev.v1i2.3161.2023

Usaha pada sektor pertanian seperti padi, jagung, bawang merah, tembakau, kakao dan lain-lain memiliki risiko kerugian berupa penurunan hasil produksi yang berakibat pada penurunan pendapatan petani. Risiko kerugian tersebut dapat disebabkan oleh berbagai faktor di antaranya curah hujan, suhu, kecepatan angin dan kelembaban udara yang semuanya merupakan unsur-unsur pembentuk iklim/cuaca. Penelitian ini bertujuan menyajikan alur riset pemodelan asuransi usaha tani khususnya bawang merah terkait dengan kondisi ekstrim basah dan kering akibat anomali cuaca. Penelitian yang dilakukan berkutat pada studi pustaka terkait dengan kondisi ekstrim basah dan kering tersebut. Sebagai kesimpulan, berdasarkan riset pustaka yang dilakukan, tanaman bawang merah tetap dapat tumbuh baik pada curah hujan normal, dan pada saat curah hujan tidak normal (kondisi kering atau basah), maka menanam bawang merah mempunyai peluang untuk gagal. Hal ini memberikan kesempatan pada perusahaan asuransi untuk mengembangkan Asuransi Usaha Tani Bawang Merah (AUTBM) pada kedua kondisi tersebut.

ESTIMASI NILAI KERUGIAN DAN PREMI ASURANSI BANGUNAN AKIBAT BANJIR SUNGAI CITARUM DI KELURAHAN BALEENDAH BANDUNG Iin Irianingsih; Sukono Sukono; Forman Ivana S. S. S.
Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) Vol 9 No 1 (2017): Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2017.9.1.2857

High rainfall and a lack of soil moisture absorption, often causing over flowing rivers which leads to floods. Flooding due to over flow of Citarum river is a frequent disasters in the district of Bandung which cause losses ranging from loss of property, damage to homes, diseases to loss of life. In this paper discussed about how to estimate loss cost and insurance due to flooding of the Citarum river. In this case alleged that the losses of Citarum floods affected by heads of family suffering, submerged homes, household damages and field damages. Multiple linear regression analysis was used to estimate the loss cost, which used least squares method for estimating model parameters. Mixture of analysis was used to calculate the insurance premium which considered the zone region, social class, loading factor and regulations set by OJK. The results indicate the loss cost is affected by household damage, whileother factors are not significant. Whereas, average premium is 0.5 % of insured amount by calculating the loss cost due to flooding of Citarum river. Based on estimates of loss cost and premium calculation, obtained insurance product in accordance of Baleendah condition.

Verifikasi Tanda Tangan Elektronik dengan Teknik Otentikasi Berbasis Kriptografi Kunci Publik Sistem Menggunakan Algoritma Kriptografi Rivest-Shamir-Adleman Melina Melina; Firman Sukono; Herlina Napitupulu; Valentina Adimurti Kusumaningtyas
Jurnal Matematika Integratif Vol 18, No 1: April 2022
Publisher : Department of Matematics, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jmi.v18.n1.38343.27-39

Dalam upaya menekan penyebaran COVID-19, hampir seluruh negara melakukan lockdown. Sebagian besar aktivitas menjadi bersifat work from home (WFH) sehingga memicu peningkatan transaksi online. Transaksi online yang melibatkan informasi penting memerlukan tanda-tangan elektronik (TTE), yang merupakan alat autentikasi dan verifikasi. Proses keabsahan pengirim, keaslian, dan anti penyangkalan dengan cepat, dan akurat menjadi suatu keharusan. Prosedur yang digunakan untuk membuktikan keaslian TTE, keaslian identitas penandatangan, dan anti-penyangkalan dapat dilakukan dengan teknik otentikasi. Tujuan penelitian ini adalah mengusulkan verifikasi TTE dengan teknik otentikasi berbasis kriptografi kunci-publik sistem dengan cara membalikkan peran kunci privat dan kunci publik pada algoritma kriptografi Rivest-Shamir-Adleman. Informasi elektronik yang melekat pada TTE akan disimpan kedalam pesan M, dengan menggunakan fungsi hash terhadap M menghasilkan h=H(M). Nilai h akan di enskripsi untuk menjadi TTE dengan kunci privat PR (d,n). Tanda tangan diverifikasi untuk membuktikan keotentikannya dengan mendekripsi TTE menggunakan kunci publik PU (e, n), sehingga mendapatkan nilai h. Nilai h dibandingkan dengan nilai yang diperoleh dari nilai fungsi hash pesan dari TTE yang diperiksa. Jika h=h’ berarti TTE otentik. Jika ukuran digit d>e maka waktu penandatangan akan lebih lama dari pada waktu yang diperlukan untuk verifikasi, begitu juga sebaliknya.

Rice Harvest Failure Risk Analysis Using Extreme Value Theory Based on Weather Index for Agricultural Business Supply Chain Management Riaman, Riaman; Sukono, Sukono; Supian, Sudradjat; Ismail, Noriszura
International Journal of Supply Chain Management Vol 9, No 5 (2020): International Journal of Supply Chain Management (IJSCM)
Publisher : ExcelingTech

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59160/ijscm.v9i5.5345

This paper discusses the formulation of a risk model for paddy agricultural insurance in Indonesia. Indonesia as an agricultural country with a tropical climate, where the sun shines throughout its time, farmers can plant crops throughout the season. In particular, rice farming is currently an inseparable part of most agrarian societies in Indonesia, especially in West Java. However, changes in air temperature, weather and annual rainfall, which sometimes changes uncertainly, cause changes in cropping patterns. This weather uncertainty will certainly increase the risk of crop failure. This paper will analyze the effect of climate variables on the risk of crop failure. The climate variables in this analysis consist of temperature, wind speed, maximum temperature, minimum temperature, and rainfall. The method to be developed here is to use the parametric method which will be used as a reference to determine the magnitude of risk, namely generalized pareto distribution and peak over threshold as a threshold. The results obtained that the greatest risk of losses to farmers occurred in November, December, January, February and March with a value of 0.17485. The organization of this paper consists of introduction, methodology, results and discussion, and conclusions.

Co-Authors Abdul Talib Bon Abiodun Ezekiel Owoyemi Achmad Bachrudin Adhitya Ronnie Effendie, Adhitya Ronnie Agung Prabowo Agung Prabowo Agung Prabowo Agus Santoso Agus Santoso Agus Sugandha Agustini Tripena Br Surbakti Aisyah Nurul Aini Amalia, Hana Safrina Amitarwati, Diah Paramita Apipah Jahira, Juwita Asep K Supriatna Asep Saepulrohman Asep Solih Awalluddin, Asep Solih Asri Rula Hanifah Audina, Maudy Afifah Aulia Kirana Aziza Ayu Nurjannah Bakti Siregar Banowati, Puspa Dwi Ayu Basuki , Basuki Basuki Bayyinah, Ayyinah Nur Betty Subartini Bimasota Aji Pamungkas bin Mamat, Mustafa Budi Pratikno Candra Budi Wijaya Carissa, Katherine Liora Dara Selvi Mariani Dedy Rosadi Dedy Rosadi Dewi Ratnasari DEWI RATNASARI Dhika Surya Pangestu Diah Chaerani Diah Paramita Amitarwati Diana Ekanurnia Dianti, Estu Putri Dihna, Elza Rahma Dini Aulia Dwi Susanti Dwi Susanti Dwi Susanti Dwi Susanti Dwi Susanti Dwi Susanti Eddy Djauhari Edi Kurniadi Ema Carnia Emah Suryamah, Emah Eman Lesmana Endang Rusyaman Endang Soeryana Hasbullah Fasa, Rayyan Al Muddatstsir Febrianty, Popy Firdaus, Muhammad Rayhan Forman Ivana S. S. S. Ghazali, Puspa Liza Grida Saktian Laksito Hadiana, Asep Id Haq, Fadiah Hasna Nadiatul Hasbullah, Soeryana Hasriati Hasriati Hazelino Rafi Pradaswara Herlina Napitupulu Herlina Napitupulu Hidayana, Rizki Apriva Ibrahim M Sulaiman Ihda Hasbiyati Iin Irianingsih Ira Sumiati Ismail Bin Mohd Januaviani, Trisha Magdalena Adelheid Jumadil Saputra Jumadil Saputra Kahar, Ramadhina Hardiva kalfin Kalfin Kalfin, Kalfin Khairi, M. Ihsan Kusumaningtyas, Valentina Adimurti Labitta, Kirana Fara Laksito, Grida Saktian M. Ihsan Khairi Maraya, Nisrina Salsabila Maulana Malik Maulida, Ghafira Nur Ma’mur, Lutfi Praditia Melina Melina Melina Melina, Melina Mochamad Suyudi Mohamad Nurdin, Dadang Muhammad Arief Budiman Muhammad Iqbal Al-Banna Ismail Mustafa Mamat Mustafa Mamat Mustafa Mamat Mustafa Mamat Mustafa Mamat Nabilla, Ulya Nahda Nabiilah Nita Rulianah Noriszura Ismail Norizan Mohamed Novianti, Saqila Novieyanti, Lienda Novinta S, Fujika Novitasari, Ela Nugraha, Dwita Safira Nur Mahmudah Nurdyah, Himda Anataya Nurfadhlina Abdul Halim Nurul Fadilah Okta Yohandoko, Setyo Luthfi Pardede, Ester Priyatna, Yayat Puspa Liza Ghazali Putri, Aulya Putri, Linda Damayanti Putri, Sherina Anugerah Raharjanti, Amalia Rahman, Rezki Aulia Ramdhania, Tya Shafa Ratih Kusumadewi Riadi, Nadia Putri Riaman Riaman Riaman Riaman Riaman Riaman Riaman Riaman, Riaman Riaman, Riaman Rini Cahyandari Riza Adrian Ibrahim Rosadi, D. - Rulianah, Nita Saefullah, Rifki Salamiah, Mia Salih, Yasir Sampath, Sivaperumal Saputra, Jumadil Shindi Adha Gusliana Sianturi, Sri Novi Elizabeth Sisilia Sylviani Siti Sabariah Abas Soeryana Hasbullah Sri Purwani Stanley Pandu Dewanto Subanar - Subanar . Subanar Subanar Subiyanto Subiyanto Sudradjat Supian Suhaimi, Nurnisaa binti Abdullah Sulastri, S Sumiati, Ira Supian, Sudradjat Supriyanto Supriyanto Suroto Suroto Susanto, Sunarta Sutiono Mahdi Sutisna, Sarah Suyudi, Mochamad Suyudi, Mochammad T.P Nababan Tampubolon, Carlos Naek Tua Tika Fauzia Tiswaya, Waway Titi Purwandari Titin Herawati Umar A Omesa Valentina Adimurti Kusumaningtyas Verrany, Maria Jatu Vimelia, Willen Wahid, Alim Jaizul Wan Muhamad Amir W Ahmad Widyani, Azizah Rini Wiliya Wiliya Yasir Salih Yasmin, Arla Aglia Yhenis Apriliana Yulianus Brahmantyo Yulison Herry Chrisnanto Yuningsih, Siti Hadiaty Yuyun Hidayat Zahra, Ami Emelia Putri Zinedine Amalia Noor Mauludy Reihan

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