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INDONESIA
Jurnal Matematika Sains dan Teknologi
Published by Universitas Terbuka
ISSN : 14111934     EISSN : 24429147     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Mathematics Other
Merupakan media informasi dan komunikasi para praktisi, peneliti, dan akademisi yang berkecimpung dan menaruh minat serta perhatian pada pengembangan Matematika, ilmu pengetahuan dan teknologi. Diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Terbuka.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol. 23 No. 1 (2022)" : 5 Documents clear
PENERAPAN TAGUCHI DALAM OPTIMASI PARAMETER UNTUK PERBAIKAN PRODUK FACIAL WASH Faula Arina; Ahmad Bahauddin; Anggie Maurdi
Jurnal Matematika Sains dan Teknologi Vol. 23 No. 1 (2022)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jmst.v23i1.2092.2022

Abstract

PT X is a company engaged in the cosmetic sector. The product with the biggest defect is the green tea tree oil facial wash. This study aims to reduce the number of defects by determining the optimal level setting on the product. The Taguchi method is one of the methods in the experimental design that can be used to control product quality from noise by minimizing variations. This research method uses Taguchi because this method combines experimental results through optimal factors and factor levels and at the same time reduces the number of experiments so as to save time and costs. The experimental factors are water, Nacl, cocamide DEA, citrid acid, mixing speed, mixing time and mixing temperature. The results of this study found that the dominant type of defect in the green tea tree oil facial wash products was the product with low viscosity. In this case, we used a nominal-is-best quality characteristic with a target of 37500 cPs. We found that the optimal setting for green tea tree oil facial wash products were 64.3% of water, 2% of cocamide DEA, 0.3% citric acid and 60 minutes for the mixing period.
PEMETAAN KEMIRIPAN BERDASARKAN KUALITAS APLIKASI MARKETPLACE MENURUT PELANGGAN Niko Dwi Haryanto; Anas Alrasyid Putrawidya Buana
Jurnal Matematika Sains dan Teknologi Vol. 23 No. 1 (2022)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jmst.v23i1.2919.2022

Abstract

This study aims to prove the superiority of Tokopedia, Shopee, Bukalapak, JD.ID, Lazada and Zalora based on the quality of applications made by users of these applications. The sample in this study amounted to 30 people using accidental sampling technique. Operationalization of variables in this study consists of performance, reliability, features, conformance, durability, serviceability. aesthetic and perceived quality. The data analysis technique in this study used multidimensional scaling analysis. This study maps 6 marketplaces into 4 different quadrants, quadrant 1 consists of Lazada, quadrant 2 consists of Shopee and JD.ID, quadrant 3 consists of Bukalapak and quadrant 4 consists of Tokopedia and Zalora. The conclusion of this study with overall view indicate that there are 3 marketplace groups that have similarities, group 1 consists of Bukalapak and Lazada, group 2 consists of Shopee and finally group 3 consists of Tokopedia, JD.ID and Zalora. Through the division of these groups, it is assessed that group 1 (Bukalapak and Lazada) has a poor application quality, while group 2 (Shopee) has a good application quality and finally group 3 (Tokopedia, JD.ID and Zalora) has a best application quality.
PENERAPAN METODE HUNGARIAN DAN APLIKASI QM UNTUK MEMINIMALISASI KOMPLAIN KEBERSIHAN DARI KLIEN Epin Nur Cahya; Nina valentika; Isnurani; Siti Hadijah Hasanah
Jurnal Matematika Sains dan Teknologi Vol. 23 No. 1 (2022)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jmst.v23i1.1425.2022

Abstract

An outsourcing company with a work contract period can run well if the work agreement made by the client is carried out properly. One of the things that affect the contract period is client complaints. By minimizing client complaints, the sustainability of work contracts between outsourcing companies and client companies is getting higher. For this reason, outsourcing companies assign workers based on the abilities of each worker so that the work results are optimal. One of the methods in solving assignment problems is the Hungarian method and the QM application. The purpose of this research is to minimize the value of hygiene complaints from clients. The results showed a reduction in the value of 15 client complaints from 43 complaints to 28 complaints related to the completion of the assignment of employees of outsourcing company using the Hungarian method and the QM application.
ANALISIS KESESUAIAN LAHAN DAN PENERAPAN TEKNOLOGI BUDIDAYA TAMBAK BERWAWASAN LINGKUNGAN DI KABUPATEN BONE Toto Hardianto; Agnes Puspitasari Sudarmo; Nurmala Pangaribuan
Jurnal Matematika Sains dan Teknologi Vol. 23 No. 1 (2022)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jmst.v23i1.1428.2022

Abstract

Penelitian ini bertujuan untuk mengetahui kesesuaian lahan, penerapan dan pengembangan teknologi budidaya tambak sehingga potensi sumber daya yang tersedia dapat dimanfaatkan secara optimal dan lestari. Metode penelitian yang digunakan adalah metode survei yaitu mengumpulkan data dari sampel yang diambil secara acak terdiri dari 59 rumah tangga perikanan dan kesesuaian lahan tambak menggunakan Sistem Informasi Geografis. Hasil Penelitian menunjukkan bahwa Kelurahan Waetuo dengan luasan tambak 343,288 ha memiliki luasan tertinggi dengan rincian S1 = 297,303 ha dan S2 = 45,985 ha. Sementara itu, Kelurahan Bajoe memiliki luas tambak terendah yaitu 57,036 ha dengan rincian S1 = 35,958 ha dan S2 = 21,078 ha. Jika ditinjau dari penerapan teknologi, pada umumnya pembudidaya tambak yang ada di lokasi penelitian menggunakan sistem teknologi tradisional yaitu secara polikultur sekitar 88 % sedangkan monokultur hanya 12 %. Berdasarkan hasil penelitian disimpulkan bahwa lahan tambak di Kecamatan Tanete Riattang Timur sudah sangat sesuai dan pada umumnya menggunakan sistem teknologi tradisional secara polikultur.
EKSPLORASI DAN ANALISIS REGRESI LOGISTIK TERHADAP KONDISI SUNGAI TERCEMAR LIMBAH DI DESA/KELURAHAN PROVINSI DKI JAKARTA INDONESIA Septian Rahardiantoro; Yusma Yanti
Jurnal Matematika Sains dan Teknologi Vol. 23 No. 1 (2022)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jmst.v23i1.3136.2022

Abstract

Provinsi DKI Jakarta memiliki kepadatan penduduk terbesar di Indonesia yang riskan dengan permasalahan lingkungan, salah satunya di sungai-sungainya. Sekitar 52.5% desa/kelurahan yang dilalui sungai memiliki kondisi sungai tercemar limbah. Penelitian ini bertujuan untuk melakukan eksplorasi kondisi sungai tercemar limbah yang disertai dengan identifikasi faktor-faktor yang diduga memengaruhinya berdasarkan data Potensi Desa (Podes) tahun 2018 (Badan Pusat Statistik, 2018). Eksplorasi data dilakukan dengan membuat plot tebaran dan ringkasan statistik, dengan hasil yang diperoleh adalah mayoritas sumber limbah berasal dari limbah rumah tangga. Selanjutnya, analisis regresi logistik beserta metode stepwise dilakukan untuk mengidentifikasi faktor-faktor dari segi kondisi lingkungan, alih fungsi, serta kondisi sosial ekonomi desa/kelurahan yang memengaruhi kondisi sungai tercemar limbah. Hasilnya, faktor yang memengaruhi sungai tercemar limbah meliputi adanya fungsi alih sungai dan banyaknya rumah tangga miskin dengan kategori tinggi. Selain itu, faktor adanya perawatan sungai dapat digunakan sebagai indikator bahwa sungai di desa/kelurahan di DKI Jakarta tercemar limbah.

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