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All Journal Cakrawala Pendidikan Jurnal Studi Jender SRIKANDI Jurnal Matematika PIRAMIDA Buletin Udayana Mengabdi E-Jurnal Matematika Udayana Journal of Social Sciences and Humanities (UJoSSH) Innovative: Journal Of Social Science Research Public Service And Governance Journal
Desak Putu Eka Nilakusmawati
Mathematics Department, Faculty Of Mathematics And Natural Sciences, Udayana University
Humanities Computer Science & IT Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Journal : E-Jurnal Matematika

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FAKTOR-FAKTOR YANG MEMENGARUHI KEPUTUSAN MAHASISWA DALAM MEMILIH RUMAH KOST SITTI HAJAR; MADE SUSILAWATI; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Volume 1, No 1, Tahun 2012
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2012.v01.i01.p005

Abstract

Tujuan dari penelitian ini adalah mengetahui  faktor-faktor apa  saja yang  memengaruhi  keputusan mahasiswa  dalam  memilih  rumah kost.  Data  yang  digunakan  adalah  data  primer, yang diperoleh dari hasil  penyebaran  kuesioner  yang  merupakan  data  persepsi mahasiswa dalam memilih rumah kost. Teknik  pengambilan  sampel yang  digunakan adalah metode purposive  sampling, dengan sampel  penelitian adalah  mahasiswa Universitas Udayana yang  tinggal di rumah kost di daerah Bukit Jimbaran dan Denpasar  yang masih aktif kuliah yaitu angkatan 2008-2011.  Dimensi  faktor  yang  digunakan pada  penelitian  ini  yaitu:  faktor  referensi,  citra/reputasi, keamanan, harga, lingkungan, pelayanan, fasilitas, dan lokasi. Metode analisis yand digunakan adalah analisis faktor. Hasil Penelitian menunjukkan bahwa  faktor  paling dominan yang memengaruhi keputusan mahasiswa dalam memilih  kost  adalah faktor lingkungan  kost  dengan nilai  eigen  yaitu 4,119 dan keragaman varian sebesar 19,613%. Nilai loading  factor  paling besar dalam faktor ini dimiliki oleh variabel lingkungan kost yang bersih yaitu sebesar 0,797.   
PENERAPAN METODE FUZZY AHP DALAM PENENTUAN SEKTOR YANG BERPENGARUH TERHADAP PEREKONOMIAN PROVINSI BALI TJOKORDA GDE AGUNG FRISKA ADNYANA; G. K. GANDHIADI; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 5 No 2 (2016)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2016.v05.i02.p122

Abstract

The aim of this research is to apply Fuzzy Analytic Hierarchy Process method to determine the dominant sectors of economy Bali Province. This research used survey data from respondents who understand about economy of Bali Province and Gross Regional Domestic Product (GRDP). The research variables consist of criteria and sub-criteria. The criteria consist of primary sector, secondary, and tertiary, while the sub-criteria consist of 9 sectors of the GRDP. Data processing is done by calculating the weighted average and arrange them into pairwise comparison matrices. Furthermore, the consistency ratio is checked. If consistency ratio less than 0.100 (), the elements of matrices is changed into triangular fuzzy scale and processed with synthetic extent to get the priority. Based on the result of research, the economy of Bali are dominated by tertiary sector in sector group, agriculture and forestry in sub-primary group, manufacturing industry in sub-secondary group, and trade, hotel and restaurant in sub-tertiary group.
PENENTUAN NILAI KONTRAK OPSI SAHAM TIPE EROPA MENGGUNAKAN MODEL CONSTANT ELASTICITY OF VARIANCE LUSIA EMITRIANA MAGOL; KOMANG DHARMAWAN; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 9 No 1 (2020)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2020.v09.i01.p276

Abstract

Investment is a very sensitive matter especially relating to securities commonly known as shares. Shares are not merely as securities or certificates of ownership but as a business area in achieving profits. One alternative factor for investment is option. Stock options are one of the trading tools used to secure stock investments owned by investors. The real value of stock options can be known when the due date. The stock option value formula can be used to find out the value before the due date. The most widely known stock option value is to use the Black-Scholes equation which is obtained from a constant volatility value. Then it was developed because it saw the conditions in the market based on the volatility of the value (not constant). The purpose of this study is to determine the value of stock options in the market based on volatile values ??that change using the Constant Elasticity of Variance model with the limit of European stock purchase options. If the resulting stock option value is greater than the option price in the market, investors are advised to buy the stock option.
PENERAPAN METODE BAYES DALAM MENGESTIMASI PREMI KREDIBILITAS PADA ASURANSI UMUM RAIN FERNANDO BANGUN; I NYOMAN WIDANA; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 10 No 4 (2021)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2021.v10.i04.p349

Abstract

Determination of insurance premiums is very important the calculation must be done carefully so that there is experience losses. The purpose of this research is to find out the application of empirical Bayes credibility theory Model 1 and estimate of the credibility premium on general insurance. A method that can help in overcoming these problems, that is empirical Bayes credibility theory Model 1, results of the estimated credibility premium credibility (in Euros) for insurance companies Alianz, Csob, Generali, Koop, Unisqa, and Wusten respectively as follows: 46.774811, 7.801307, 10.368991, 58.812250, 6.703035, and 5.091605. These results, the average claim is greater than the credibility premium, so that insurance companies can reserve premiums for the future.
MENENTUKAN FORMULA PREMI TAHUNAN TIDAK KONSTAN PADA ASURANSI JOINT LIFE I GEDE BAGUS PASEK SUBADRA; I NYOMAN WIDANA; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 4 No 4 (2015)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2015.v04.i04.p104

Abstract

The aim of this research was to determine the annual premium formula that turns on the joint life insurance. This formula uses the reference insurance contracts of the previous research Insurance Models for Joint Life and Last Survivor Benefits. The first step is to determine the value of mortality tables by using the Table Helligman-pollard. Furthermore, determining the value of a life annuity and single premium. The results of this research was formula to be affected by the changing premium () with the increase and decrease in constant interest.
PENENTUAN NILAI PREMI ASURANSI PERTANIAN BERBASIS INDEKS SUHU PERMUKAAN MENGGUNAKAN METODE BURN ANALYSIS A.A DWI MARSITA ANGGRAENI; KOMANG DHARMAWAN; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 7 No 4 (2018)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2018.v07.i04.p221

Abstract

Temperature is an important factor in the production of agricultural commodities. For this reason, goverments needs to protect farmers in order to continue their farming. Climate-based agricultural insurance is an alternative to climate-related risk management. Insurance premium is given when the temperature index lower than the pre determined trigger index. The purpose of this study is to determine the stages and assumptions in determining the value of agricultural insurance premiums based on surface temperature index on cocoa commodities using the method of burn analysis. The temperature index was determined using the burn analysis method with the temperature as the climate parameter. Trigger values ??are determined based on long run times. In this paper, the result is that when the temperature index lower than the determined trigger value, trigger payments as much as Rp.10.931.960,40 / Ha based on trigger index as many 26.145 ° C, so amount of premium payment equals Rp 215.776.
FAKTOR–FAKTOR YANG MEMENGARUHI MINAT MAHASISWA ASAL LUAR BALI KULIAH DI FMIPA UNIVERSITAS UDAYANA BALI DAIMATUL KHOIRIYAH; MADE SUSILAWATI; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 2 No 1 (2013): E-Jurnal Matematika
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2013.v02.i01.p024

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui faktor–faktor yang memengaruhi minat mahasiswa luar Bali kuliah di FMIPA Universitas Udayana Bali. Analisis yang digunakan  dalam  penelitian  ini  adalah  analisis  faktor.  Data  yang digunakan  adalah data primer yang diperoleh dengan menyebarkan kuesioner kepada setiap mahasiswa asal luar Bali yang kuliah di FMIPA Universitas Udayana Bali angkatan 2008-2011. Dalam penelitian ini faktor-faktor  yang digunakan  adalah  lokasi,  faktor  biaya,  produk,  latar  belakang sosial ekonomi,  motivasi,  fasilitas,  referensi,  promosi,  dan  reputasi.  Hasil  penelitian menunjukkan  bahwa,  terdapat  delapan  faktor  yang memengaruhi  minat  mahasiswa luar Bali kuliah di FMIPA Universitas Udayana Bali. Faktor tersebut yaitu: (1) faktor produk yang merupakan faktor dengan nilai eigen paling tinggi yaitu 7,792 dan varian 28,860%, (2) faktor referensi dengan varian 8,732%, (3) faktor reputasi dengan varian 7,808%,  (4)  faktor  biaya  dengan  varian  6,723%, (5) faktor  latar  belakang sosial ekonomi dengan varian 4,921%, (6) faktor motivasi dengan varian 4,430%, (7) faktor lokasi dengan  varian 3,836% dan (8)  faktor promosi  dengan  varian  3,708%, dengan total varian yang dapat dijelaskan adalah sebesar 69,018%.
PENENTUAN HARGA KONTRAK OPSI TIPE ASIA MENGGUNAKAN MODEL SIMULASI NORMAL INVERSE GAUSSIAN (NIG) I PUTU OKA PARAMARTHA; KOMANG DHARMAWAN; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 3 No 3 (2014)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2014.v03.i03.p074

Abstract

The aim to determine of the simulation results and to calculate the stock price of Asian Option with Normal Inverse Gaussian (NIG) method and Monte Carlo method using MATLAB program. Results of both models are compared and selected a fair price. Besides to determine simulation accuracy of the stock price, speed of program execution MATLAB is calculated for both models for time efficiency. The first part, set variabels used to calculate the trajectory of stock prices at time t to simulate the stock price at the time. The second part, simulate the stock price with NIG model. The third part, simulate the stock price with Monte Carlo model. After simulating the stock price, calculated the value of the pay-off of the Asian Option, and then estimate the price of Asian Option by averaging the entire value of pay-off from each iteration. The last part, compare result of both models. The results of this research is price of Asian Option calculated using Monte Carlo simulation and NIG. The rates were calculated using the NIG produce a fair price, because of the pricing contract NIG using four parameters ?, ?, ?, and ?, while Monte Carlo is using only two parameters ? and ?. For execution time of the program, the Monte Carlo model is better in all iterations.
APAKAH MUTU LAYANAN AKADEMIK MEMENGARUHI KEPUASAN MAHASISWA FMIPA UNUD BELAJAR DI MASA PANDEMI MUHAMAD RIFAI; I PUTU EKA NILA KENCANA; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 11 No 2 (2022)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2022.v11.i02.p373

Abstract

Colleges as service providers must provide satisfaction to their students. At the concept of service, students as a group of consumers should get optimum service. The aim of this research is to determine the effect of the quality of academic services on student satisfaction at the Faculty of Mathematics and Natural Sciences, Udayana University during the Covid-19 pandemic. The analysis technique uses Partial Least Square Structural Equation Modeling (PLS-SEM). The results show that the dimensions of tangibles and empathy are proven to be significant, while dimensions of reliability, responsiveness, and assurance is not proven to significantly affect the quality of academic services. Increased the quality of academic services has proven to have a positive and significant effect on student satisfaction of FMIPA UNUD.
PENENTUAN NILAI PREMI ASURANSI PERTANIAN BERBASIS HARGA INTERNASIONAL MENGGUNAKAN MODEL MEAN REVERSION DENGAN MUSIMAN I NYOMAN BRYAN ANDIKA; KOMANG DHARMAWAN; DESAK PUTU EKA NILAKUSMAWATI
E-Jurnal Matematika Vol 12 No 1 (2023)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2023.v12.i01.p401

Abstract

The seasonal cycle causes cocoa price movements in the international market to fluctuate. This certainly affects the development of cocoa prices at the producer level, causing uncertainty about the prices received by farmers. International price-based agricultural insurance is an alternative to protect farmers against global price fluctuations. Compensation is given if the global price of cocoa falls below the agreed trigger value. This study aims to calculate the fair premium value for agricultural insurance based on international prices for cocoa in the Tabanan Regency, Bali, which was simulated using a mean reversion model with seasonality. To perform the simulation, the first step is to estimate the parameters of the seasonal model and the mean reversion model. Next, simulate the international price of cocoa. Then, determine the trigger value based on the percentile of the simulation data. Finally, calculate the premium value using the cash-or-nothing put option with the Black-Scholes model. The results show that the premium value which is considered fair lies between 5,77% to 11,08% of the insured value.
Co-Authors A.A DWI MARSITA ANGGRAENI Adi Ningtias, D. Novia AGUSTINA PAULA THERESIA PUTRI LAHALLO AGUSTINUS ANGELAUS ETE Andini Ni Kadek DAIMATUL KHOIRIYAH Desak Made Kutha Adhya Wagiiswari DEVI NANDITA. N DEWA AYU AGUNG PUTRI RATNASARI EKA ARISTA ANJASARI EKA VIRGIA PURWANTI ELVINA LIADI G. K. GANDHIADI G.K. GANDHIADI Gde Nitiyasa I Gede Arsana Wijaya I GEDE BAGUS PASEK SUBADRA I GEDE GANDEVA UMBARA I Gusti Ayu Agung Citra Santika Dewi I Gusti Ayu Made Srinadi I GUSTI NGURAH ARYA WANAYASA I KOMANG GDE SUKARSA I NYOMAN BRYAN ANDIKA I Nyoman Widana I Putu Eka Nila Kencana I PUTU OKA PARAMARTHA I Wayan Sumarjaya ICHA WINDA DIAN SAFIRA Ida Ayu Agung Diah Janawati Indah Wulantari, A.A. Istri INTAN LESTARI Ita Wulandari, Ni Gusti Ayu IYOS ALFRANTA SURBAKTI JOKO HADI APRIANTO K. Sari KADEK ANDREI PRABAWA Komang Dharmawan L. G. Astuti LIA JENITA LUH PUTU IDA HARINI LUH PUTU SAFITRI PRATIWI LUSIA EMITRIANA MAGOL M Susilawati Made Susilawati Merylin Rafael Sitohang MUHAMAD RIFAI NI KADEK LESTARI PUTRI Ni Ketut Tari Tastrawati NI LUH PUTU RATNA DEWI Ni Luh Putu Suciptawati Ni Made Asih Ni Made Puspawati NI PUTU SRI YULI ARTINI NISA HIDAYATI PUTRI DAMEYANTI RAIN FERNANDO BANGUN SARIFUL MUNAWAROH SITTI HAJAR TJOKORDA GDE AGUNG FRISKA ADNYANA ZAKIAH NURLAILA