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Analisis Matematika Pada Pembuatan Rumah Panggung Toraja Syafruddin Side; Sukarna; Jusriadi
Journal of Mathematics, Computations and Statistics Vol. 3 No. 1 (2020): Volume 03 Nomor 01 (April 2020)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

Geometry is branch of science that learning about the relationship between points, lines, sides , plane figure and solid figure. The application of geometry mathematics is very helpful in daily life. For example, the determination of tower height by using sunlight where in its determination can use the comparison system. Then, determine the distance or width of the river without measuring it manually, that is by using the help points and lines that are congruent. The aim of this research is finding out how the results of the application of mathematics in building Toraja Traditional house. The analysis process is done by observation, interview and documentation to see the process of building Toraja Traditional house. Based on the results of data analysis that is obtained, it was find the sequences pattern on the poles or beams in each type of house. Then the method of using parallel lines, lines extension and similarity on the roof of the house. Mathematics application can be applied in Toraja Traditional house by using parabolic equations and parabolic functions in determining the curvature of house roof.
Fuzzy Linear Programming Dalam Optimalisasi Pelayanan Air Bersih Perusahaan Daerah Air Minum (PDAM) Kab. Jeneponto Menggunakan Metode Sabiha Wahidah Sanusi; Sukarna; Irham Aryandi Basir
Journal of Mathematics, Computations and Statistics Vol. 3 No. 1 (2020): Volume 03 Nomor 01 (April 2020)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

Linear fuzzy programing is advance model for linear programing to determin the optimal result that contains fuzzy numbers. Linear Fuzzy programing can be solved using Sabiha’s method. Which is based on real linear fuzzy numbers in triplet numbers form. This paper used linear fuzzy programming model and Sabiha’s method, to determin the optimal solution on PDAM Kab. Jeneponto’s operation plan. Each indicator constructed to optimized objective function and constraint function. Results of this research have optimal solution for each objective variable was obtained with an optimal value for total costumer are 9075,999999999990 from 8896,999999999990 the type of household customer, 96,0000000000112 the type of special social customer, and 82,9999999999982 the type of public social costumer. With an optimal total revenue Rp. 4,753,125,000 and total water demand 1,082,303 m3.
Peramalan Jumlah Kedatangan Wisatawan Mancanegara di Sulawesi Selatan Menggunakan Model ARFIMA Sukarna; Abdy, Muhammad; Aswi; Kaito, Nurlaila
Journal of Mathematics, Computations and Statistics Vol. 5 No. 2 (2022): Volume 05 Nomor 02 (Oktober 2022)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

Tourism is a potential and strategic asset to encourage the development of a region, especially for areas that have potential tourist objects. Exchange rates, inflation, and geography influence foreign tourist visits to an area. What may be unexpected is the increase in the number of tourists, which makes tourist workers have difficulties in providing the best services, and vice versa if there is a sudden drop, it will increase the number of unemployed. Therefore, we need a scientific study of forecasting that can provide information on the number of tourists. The ARFIMA model is an ARIMA whose differencing value is a fraction. The main goal of this research is to discover the best ARFIMA model to predict the number of foreign tourist arrivals in South Sulawesi. From the data of foreign tourists in South Sulawesi from 2015 to 2020, the result of this research is the AIC value of 710.44 for ARFIMA([1,8],d,0) with. The average difference between the actual and forecasted data in the out sample data for the two models is 38.6667 points. Therefore, the two models can still be classified as the best for forecasting foreign tourists from South Sulawesi. It depends on who applied this models into this cases.
Model Vector Autoregressive Exogenous dan Aplikasinya pada Curah Hujan Kota Makassar Sukarna; Wahidah Sanusi; Serly Diliyanti Restu Ningsih
Journal of Mathematics, Computations and Statistics Vol. 2 No. 02 (2019): Volume 02 Nomor 02 (Oktober 2019)
Publisher : Jurusan Matematika FMIPA UNM

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This type of research is applied research that aims to predict rainfall in Makassar city VARX model using. The model was developed from the VARX model VAR by adding exogenous factors that influence the precipitation like Sea Surface Temperature (SST) Nino 3.4, the Southern Oscillation Index (SOI), and Dipole Mode Index (DMI). Rainfall data used in this researrchis the monthly rainfall data in Makassar city from 1987-2016 year on three stations, namely Panaikang, Paotere, and Biring Romang as endogenous factors. This data is retrieved from the Great Hall the Meteorology, Climatology, and Geophysics Region IV Makassar. VARX model formation through several stages, namely : test stasioneritas, the determination of the optimal lag length, test causality, diagnostic models, the establishment of the model of forecasting and VARX. The result showed that the average peak rainfall in Makassar city occurred in March and then come down exponentially. In May the chance of occurrence of very little rain.The model obtained in this study deserves to be used to predict rainfall in the next period.Keywords: , , ,
Analisis Jalur dan Aplikasinya dalam Menentukan Faktor yang Mempengaruhi Derajat Kesehatan Balita di Sulawesi Selatan Wahida Sanusi; Sukarna; Elma Selviana Darwis
Journal of Mathematics, Computations and Statistics Vol. 3 No. 1 (2020): Volume 03 Nomor 01 (April 2020)
Publisher : Jurusan Matematika FMIPA UNM

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This study aims to apply path analysis and to determine how much the factors that influence the health status of children under five in South Sulawesi, both directly (direct effect) and indirectly (inderect effect). Analyze models and interpret the results. The data used is the data on the recapitulation of the health status of children under five in South Sulawesi Province in 2019. The variables used are the number of pregnant women 20-30 years (X1), the number of children under five who received full 6 months of breastfeeding from mothers who do not work (X2), in the womb (X3), babies who are affected by malnutrition in pregnant women aged 30-35 years (Y1), and babies who die in the womb (Y2). This study uses a two equation path model. This research starts from formulating structural model equations, calculating path coefficients simultaneously and partially, performing model simulations using SPSS 22 software, interpreting and concluding. The results of the study obtained two structural equation models; the significant level (α) for the simulation results is 5% or 0.05; explained that each sub-structure model tested simultaneously and partially had a positive and significant effect on the health status of children under five in South Sulawesi.Keywords: Path Analysis, two equation paths, direct effect, indirect effect
Efektivitas Penerapan Model Problem Based Learning Berbantuan Media Audio-Visual Terhadap Pemahaman Konsep Matematika Nasrullah; Sukarna; Sitti Hasna
Issues in Mathematics Education (IMED) Vol. 7 No. 2 (2023): Volume 7 Nomor 2 Tahun 2023
Publisher : Program of Mathematics Education Department of Mathematics Faculty of Mathematics and Natural Sciences (FMIPA) Universitas Negeri Makassar (UNM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/imed.v7i2.7540

Abstract

This study aims to determine the effectiveness and comparative effectiveness of problem-based learning models assisted with audio-visual media and direct learning models in terms of understanding mathematical concepts of students of SMP Negeri 3 Sengkang. This type of study is a pseudo-experiment with an unbalanced pretest-posttest control group design. The population in this study were students of grade VIII SMP Negeri 3 Sengkang (Semester II) as many as 5 classes. Sampling using cluster random sampling techniques namely Class VIII - A and Class VIII-C involved as many as 48 people as experimental class and control class. The instruments used in this study are test instruments and non-test instruments that have been validated by mathematics education lecturers with valid and useful results. The results showed that: (1) Learning by applying problem-based learning model assisted by audio-visual media is effective in terms of understanding mathematical concepts of students with an average of studentunderstanding of the concept of problem-based learning model assisted by audio-visual media of 82.17 with a very high category and achieve classical completion of 83%, (2) Learning with direct learning model is less effective in terms of understanding mathematical concepts of students with an average understanding of the concept of students with direct learning model of 62.00 with the medium category and did not achieve a classical completion of 24%, (3) problem-based learning model assisted by audio- visual media is more effectively applied than direct learning model in terms of understanding mathematical concepts.
ANALISIS KETERLIBATAN MAHASISWA PKL MATEMATIKA UNM PADA PELAKSANAAN MEDICAL CHECK UP (MCU) PADA PT. PERTAMINA (PERSERO) REGIONAL SULAWESI Sukarna; Aswi
Jurnal Hasil-Hasil Pengabdian dan Pemberdayaan Masyarakat Vol. 1 No. 1 (2022): Volume 01 Nomor 01 (Oktober 2022)
Publisher : Jurusan Matematika FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jhp2m.v1i1.3705

Abstract

PT. Pertamina (PERSERO) merupakan salah satu perusahaan di bawah kementerian BUMN yang bertugasmengelola penambangan minyak dan gas bumi. Pertamina membawahi banyak unit, diantaranya adalahunit Medical Check-Up (MCU). MCU merupakan unit Medical yang melakukan pemeriksaan kesehatanuntuk karyawan yang bertujuan untuk mengetahui lebih dini potensi penyakit yang ada dalam tubuhkaryawan. Tujuan dari kegiatan ini adalah untuk menggambarkan keterlibatan mahasiswa PKL padamagang di MCU PT. Pertamina (PERSERO) Regional Sulawesi. Metode yang digunakan adalah metodepartisipasi dalam kerjasama melalui analisis deskriptif kualitatif. Hasil dari kegiatan ini adalah pengalamanyang sangat bermanfaat bagi peserta PKL dan semakin bagusnya proses berjalannya system MCUPertamina. Kesimpulan kegiatan ini adalah kami mengerti dan paham mengenai prosedur administrasiMCU yang dimulai dari melakukan pencarian atau pengecekan status pasien, mengisi data resep pasien,mengisi surat rawat jalan pasien poliklink, mengisi buku laboratorium pasien poliklinik, mengisi bukukonsultasi, sampai pengarsipan.
Pelatihan Aplikasi ZOTERO dalam Upaya Optimalisasi Penulisan Referensi pada Karya Tulis Ilmiah bagi Guru-Guru di Kabupaten Takalar Mas'ud, Syamsuddin; Ihsan, Hisyam; Tampa, Alimuddin; Sukarna; Ashari, Nur Wahidin
LOSARI: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 2 (2023): Desember 2023
Publisher : LOSARI DIGITAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53860/losari.v5i2.167

Abstract

This service is conducted in Takalar Regency, South Sulawesi Province. It is motivated by several issues faced by our partners, including the limited knowledge of teachers in utilizing Zotero through Microsoft Word for automatic reference citations, the relatively low awareness of the basic applications for referencing among teachers, and the need for teachers to prepare themselves in creating automated references. Therefore, the objective of this activity is to address these partner-related issues. The methods employed include outreach and teaching, discussions, and collaborative training between the implementers and the partners. The training participants are middle school math teachers from Takalar Regency, members of the Mathematics Subject Teachers' Meeting organization (MGMP Matematika SMP). Through this activity, it is expected that teachers' knowledge in utilizing the Zotero application will increase, raising awareness and understanding among teachers about the importance of flexible and automatic reference application usage, enhancing teachers' insight, abilities, and skills in utilizing Microsoft Word to be more informative and innovative.
PENGARUH METODE CASH ON DELIVERY (COD) TERHADAP MINAT BELI DI SHOPEE (STUDI KASUS DI KP PILAR LEUWISADENG BOGOR) Larissa, Fanya Alifia; Novita, Evi; Sukarna
Economics Learning Experience & Social Thinking Education Journal Vol 5 No 1 (2025): ELESTE : Economics Learning Experience & Social Thinking Education Journal
Publisher : LPPM GICI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58890/eleste.v5i1.362

Abstract

This research is motivated by the growing development of payment methods for digitalized transactions, one of which is the Cash On Delivery (COD) payment method. Then the problem arose because he saw the habit of online transactions using the Cash On Delivery method carried out by the people of Kp Pilar Leuwisadeng Bogor. The purpose of this study was to determine the effect of the Cash On Delivery payment method on people's buying interest in e-commerce Shopee at Kp Pilar Leuwisadeng Bogor. This study uses a quantitative approach. The data collection technique used was a questionnaire with a population of 455 and a sample of 69 people with an age range of 15-40 years. The results showed that there was a significant relationship between the effect of the Cash On Delivery payment method on the buying interest of the people of Kp Pilar Leuwisadeng Bogor with a tcount of 3.287 > ttable of 1.668 and a sig. 0.002 <0.05, means that the alternative (Ha) is accepted.
Co-Authors Ahmad Zaki Aswi Aswi, Aswi Elma Selviana Darwis Evi Novita Faisal Gita Tri Asfarina Hadi, Sholikul Hafilah. H Hisyam Ihsan Husenudin, Abdul Irham Aryandi Basir J, Jusriadi Kaito, Nurlaila Larissa, Fanya Alifia Muh Nahdi Alim Asyhari Muh. Ilham Muhammad Abdy Nasrullah Nur Ridiawati Nurhilaliyah Rahmah Abubakar Rahmat Syam Raihana Nurfitrah Serly Diliyanti Restu Ningsih Sitti Hasna Syafruddin Side Syamsuddin Mas'ud Tampa, Alimuddin Wahida Sanusi Wahidah Sanusi Wahidin Ashari, Nur