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Linear Programming Dengan Metode Primal Simpleks (Kasus Maksimasi) Chandra, Deddy; Vesuvius, Deric; Octoria Hulu, Publius; Choumuangpuak, Ronaldo; Tanaka, Leony; Gultom, Pesta
JURNAL LENTERA : Kajian Keagamaan, Keilmuan dan Teknologi Vol 24 No 2 (2025): Juni 2025
Publisher : LP2M STAI Miftahul 'Ula (STAIM) Nganjuk

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/lentera.v24i2.1756

Abstract

The culinary industry in Indonesia, particularly the dimsum sector, is undergoing rapid development in response to increasing consumer demand for practical and flavorful ready-to-eat meals. This study aims to analyze and optimize the production strategy of Dimsum Kota Medan by applying linear programming using the primal simplex method. The research adopts a case study approach, with data collected through direct interviews and observations to identify production goals, decision variables, and existing operational constraints such as labor, raw materials, and time availability. The simplex method is then applied to determine the optimal production combination that yields the highest profit. The findings show that to achieve a maximum daily profit (Zmax) of IDR 19,800,000, the enterprise should produce 60 portions of original dimsum (X1) and 60 portions of hakau dimsum (X2). Although the model operates under the assumption of linearity and does not capture all external market dynamics, it offers practical guidance for decision-making in resource allocation. This study demonstrates the relevance of mathematical optimization techniques in enhancing profitability for small and medium-sized culinary enterprises in a competitive market environment.
Analisis Penerapan Metode Simpleks Pemrograman Linier Kasus Maksimasi Pada Usaha Dimsum Delights Pesta Gultom; Arelina Br Ginting; Almerisa Novianti Br Tarigan; Mariani Ginting; Netrika Sari Zalukhu
JOURNAL SAINS STUDENT RESEARCH Vol. 3 No. 5 (2025): Jurnal Sains Student Research (JSSR) Oktober
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v3i4.5364

Abstract

This report examines the critical challenge faced by Small and Medium Enterprises (UMKM) in the culinary sector: optomizing production to achieve maximum profit amidst limited resources. Linear Programming (LP) and teh Simplex Method are introduced as robust quantitave tools to address this problem. The primary objective of this study is to analyze and apply the Simpleks Method to determine the optimal production quantities for “Dimsum Delights” products, thereby maximizing their daily profit. Utilizing a quantitative approach, data on raw material consumption, capacities, and product profitability are hypothetically established and processed through manual simpleks calculations. This demonstrates the Simpleks Method′s practically utility in empowering culinary UMKM to transition from intuitive decision-making to a data-driven approach, fostering enhanced eficiency and profitability.
Analisis Model Transportasi Tidak Seimbang pada Perusahaan Lima Pilar Distrubusi dengan Metode NWC dan Stepping Stone Pesta Gultom; Rebeka Oktavia Purba; Windi Felisah Manalu; Tiara Sopianta Samosir; Linca Narsi Patresya Tamba
JOURNAL SAINS STUDENT RESEARCH Vol. 3 No. 4 (2025): Jurnal Sains Student Research (JSSR) Agustus
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v3i4.5365

Abstract

The Lima Pilar Distribution Company is a company engaged in the distribution of electronic goods. Distribution of goods is a very crucial element in running a company. To achieve maximum profit, companies need to manage the delivery of goods in an efficient and appropriate manner. If there are several points of supply and demand locations that have varying shipping costs, then this problem can be overcome by the transportation method. This study applies the North West Corner (NWC) method to find an initial solution and the Stepping Stone method to obtain the best solution in the distribution of goods at the Lima Pilar Distribution Company. The distribution problem in this company is included in the category of unbalanced transportation because the amount of supply is greater than the amount of demand. The results of the analysis show that the initial solution obtained from the NWC method still has shortcomings in terms of cost efficiency, but after being optimized with the Stepping Stone method, a lower and more efficient total distribution cost is obtained. Thus, the application of the right transportation method can increase shipping efficiency and reduce overall logistics costs.
Penyelesaian Masalah Persediaan Bahan Baku Kopi di Kukang Coffee Cafe dengan Pendekatan Primal Simpleks Pesta Gultom; Honesty Sembiring; Putri Jelita; Maria Lumbanbatu; Yesi Septiani
JURNAL AKADEMIK EKONOMI DAN MANAJEMEN Vol. 2 No. 2 (2025): JURNAL AKADEMIK EKONOMI DAN MANAJEMEN  Juni
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jaem.v2i3.5499

Abstract

Kukang Coffee Cafe is a small business engaged in the Food and Beverage (FnB) sector. This study aims to optimize raw coffee bean inventory management at Kukang Coffee Cafe to minimize costs and prevent stockouts. The main challenges faced are fluctuating coffee bean demand and the costs associated with ordering and storage. The Primal Simplex approach is utilized to develop a mathematical model capable of determining optimal coffee bean order quantities and efficient torage policies. Historical sales data, ordering costs, and holding costs were collected from Kukang Coffee Cafe as a case study. The analysis results demonstrate that the application of the Primal Simplex model successfully identified the most cost-effective ordering and storage combination, leading to a significant reduction in total inventory costs while ensuring adequate stock availability. This study provides practical contributions to Kukang Coffee Cafe in improving operational efficiency and profitability through better inventory management.
The Influence of Price, Location and Service Quality on Purchase Interest of Acen Wonton Noodles zalogo, zaruwarnas; Pesta Gultom
Outline Journal of Management and Accounting Vol. 3 No. 2 (2024): December
Publisher : Outline Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61730/ojma.v3i2.152

Abstract

This study aims to determine the effect of Price, Location and Quality of Service on Buying Interest in Acen Dumpling Noodles. The sample in this study was as many as 105 responses. The analysis data used multiple linear regression analysis method which resulted in Purchase Interest Equation = 1.429 + 0.084 + 0.235 + 0.406 + e. Price has a positive but not significant effect on Buying Interest in Acen Dumpling Noodles The calculated value (1.151) < ttable (1.983) and the variable significance value of Price is 0.253 > 0.05. Location has a positive and significant effect on Buying Interest in Acen Dumpling Noodles The calculated value (3.305) > ttable (1.983) and the significance value of the location variable is 0.001 < 0.05. La qualité du service a un effet positif et significatif sur l’intérêt d’achat pour les nouilles à boulettes d’acné La valeur calculée (7,175) > tableau (1,983) et la valeur de signification de la variable Qualité de service de 0,000 < 0,05. Les résultats des tests d’hypothèses simultanés sont connus que les résultats du test F montrent que les variables Prix, Emplacement et Qualité du service affectent simultanément l’intérêt d’achat des nouilles de boulettes d’acné, avec une valeur Fcalculate de > Ftable de 21,767 > 2,69, une valeur de signification de 0,000 < 0,05. Le nombre de carrés R est de 0,375 ou 37,5% L’intérêt d’achat pour les nouilles Dumpling est influencé par les variables Prix, Emplacement et Qualité du service, tandis que les 62,5% restants sont influencés par d’autres variables
Optimasi Penugasan Tugas dengan Tujuan Minimisasi Menggunakan Metode Hungarian pada PT. Innovatech Solutions Pesta Gultom; Deby Intan D. Gultom; Melly A. Laia; Bastian S. Surbakti; Anita K. Halawa
Ekopedia: Jurnal Ilmiah Ekonomi Vol. 1 No. 2 (2025): April-Juni 2025
Publisher : Indo Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/80nd7h03

Abstract

Innovatech Solutions merupakan perusahaan yang bergerak di bidang teknologi dan pengembangan solusi digital, yang memerlukan sistem penugasan sumber daya manusia secara efisien dan tepat sasaran. Dalam proses operasionalnya, penugasan tugas yang tidak optimal dapat berdampak pada pemborosan biaya dan menurunnya produktivitas. Penelitian ini bertujuan untuk menerapkan metode Hungarian sebagai solusi dalam mengoptimalkan penugasan tugas dengan fokus pada tujuan minimisasi biaya. Metode Hungarian dipilih karena mampu memberikan solusi optimal dalam masalah penugasan dengan kompleksitas yang relatif rendah. Proses dimulai dengan membentuk matriks biaya penugasan, diikuti dengan reduksi baris dan kolom, serta identifikasi kombinasi tugas yang menghasilkan total biaya minimum. Hasil analisis menunjukkan bahwa penerapan metode Hungarian secara signifikan meningkatkan efisiensi penugasan dan menurunkan total biaya operasional. Oleh karena itu, metode ini dapat diintegrasikan ke dalam sistem manajemen proyek perusahaan sebagai pendekatan strategis dalam pengambilan keputusan alokasi sumber daya.
Penerapan  Metode  Jalur  Kritis  Critical  Path  Methode  (CPM) dengan Pendekatan  Kegiatan dan Kejadian untuk  Perencanaan Proyek Pesta Gultom; Edison Simamora; Janes A. Nehe; Christy H. Tambunan; Debora Br. Purba; Angelica O. Tamba
Ekopedia: Jurnal Ilmiah Ekonomi Vol. 1 No. 3 (2025): JULI-SEPTEMBER
Publisher : Indo Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/bdd4r493

Abstract

Perencanaan proyek yang efektif memerlukan metode yang mampu mengidentifikasi aktivitas-aktivitas penting yang berdampak langsung pada durasi total proyek. Critical Path Method (CPM) merupakan salah satu teknik penjadwalan yang banyak digunakan dalam manajemen proyek untuk menentukan jalur aktivitas terpanjang yang menentukan waktu penyelesaian proyek. Penelitian ini bertujuan untuk menerapkan CPM dengan pendekatan berbasis kegiatan (activity) dan kejadian (event) guna merancang jadwal proyek yang efisien dan tepat waktu. Metode ini digunakan untuk memetakan hubungan antar aktivitas, menghitung waktu mulai dan selesai paling awal serta paling lambat, dan mengidentifikasi jalur kritis yang harus diprioritaskan. Studi kasus dilakukan pada proyek pembangunan (sebutkan jenis proyek jika ada, misalnya: gedung, jalan, sistem informasi) dengan data aktivitas proyek yang diperoleh dari dokumentasi dan observasi lapangan. Hasil penelitian menunjukkan bahwa penerapan CPM berbasis kegiatan dan kejadian mampu mempermudah identifikasi aktivitas kritis,b mengurangi potensi keterlambatan, serta meningkatkan efektivitas dalam pengambilan keputusan manajerial. Dengan demikian, metode ini sangat bermanfaat sebagai alat bantu perencanaan dan pengendalian dalam manajemen proyek.
Penerapan Metode Penugasan Hungarian dalam Penyelesaian Masalah Maksimasi Gultom, Pesta; Marthalena; Rey Timotius Banjarnahor
JURNAL ILMIAH EKONOMI DAN MANAJEMEN Vol. 3 No. 6 (2025): Juni
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jiem.v3i6.5410

Abstract

Toko ABC adalah usaha yang bergerak di bidang jasa pencucian/laudry. Usaha laundry berusaha untuk menempatkan lima karyawan pada lima jenis pekerjaan dengan cara yang paling efisien, agar dapat mencapai performa rata-rata yang terbaik. Selain itu, mereka juga perlu memilih satu toko dari enam lokasi yang tersedia agar sesuai dengan area operasional. Masalah pertama berkaitan dengan pencocokan antara karyawan dan jenis pekerjaan menggunakan matriks performa, sementara masalah kedua adalah mengubah situasi menjadi skenario yang tidak biasa dengan menambahkan dummy untuk mengisi satu toko. Masalah ini disebut Masalah Penugasan (Assigment Problem). Metode algoritme Hungarian adalah salah satu cara untuk menemukan solusi yang optimal untuk kedua situasi tersebut. Penerapan ini dilakukan pada data operasional bisnis laundry yang berukuran menengah. Hasil penelitian menunjukkan bahwa algoritme Hungarian berhasil memberikan penugasan yang optimal bagi karyawan, sehingga rata-rata performa dapat mencapai puncaknya, serta menentukan toko mana yang sebaiknya ditutup sambil tetap mempertahankan efisiensi operasional. Perbedaan antara situasi normal dan tidak normal hanya terletak pada tahap praproses data, sementara solusi akhir tetap optimal. Temuan ini menunjukkan bahwa metode Hungarian merupakan alat yang efektif dan praktis untuk meningkatkan efisiensi dalam penugasan serta pengambilan keputusan strategis di bisnis.
EFESIENSI JADWAL PROYEK ACARA PERNIKAHAN MELALUI CPM (CRITICAL PATH METHOD): STUDI KASUS WISMO & AMALIA Pesta Gultom; Betania Gulo; Delamin br Sembiring; Elizabeth Maretha Marbun; Darniati br Sitorus
JURNAL ILMIAH EKONOMI DAN MANAJEMEN Vol. 3 No. 7 (2025): Juli
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jiem.v3i6.5419

Abstract

Effective time management is a critical factor in the successful execution of a wedding event. This study aims to analyze the schedule efficiency of the wedding project for Wismo & Amalia using the Critical Path Method (CPM). The method is applied to identify the critical path that determines the project duration and minimizes potential delays. Data were collected through direct observation, interviews, and documentation of the activity schedule during the preparation process. The analysis revealed that the critical path consists, MC/entertainment, rehearsal, and the event execution, with a total duration of 27 days. Non-critical activities have flexible time buffers that can be utilized to anticipate obstacles without affecting the overall schedule. These findings confirm the effectiveness of CPM in optimizing time management for small to medium-scale wedding project. The practical implication of this study is the enhancement of time control, which facilitates smooth event implementation and timely completion.
Penerapan Metode Economic Order Quantity (EOQ) Untuk Meningkatkan Efisiensi Pengendalian Persediaan Bahan Baku Pada CV Simka Jaya Pesta Gultom; Eliajar Julius Otniel Perangin-Angin; Friska Canserina Aritonang
JURNAL ILMIAH RESEARCH STUDENT Vol. 2 No. 2 (2025): September
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jirs.v2i2.5493

Abstract

Stock management is an important element in running a business, especially in the manufacturing sector, which plays a major role in providing raw materials so that the production process can run smoothly. Improper inventory handling can result in wasted costs, both in terms of storage and procurement, and can lead to the danger of raw material shortages that have the potential to disrupt smooth production. This study aims to disseminate how effective CV Simka Jaya, a company engaged in the manufacture of koko clothing, is in managing its raw material stock through the Economic Order Quantity (EOQ) approach. This EOQ method determines the optimal purchase amount to reduce inventory costs, by including Safety Stock and Reorder Point analysis as an effort to address orders in demand and potential delays in delivery.
Co-Authors Adania Telaumbanua Afrizal Alda Claudia Sagala Alfian Almerisa Novianti Br Tarigan Almunawar Almunawar Alvin Alvin Angelica O. Tamba Angerago Firman Ndraha Angga, Ivone Anggi Br Tarigan Anita K. Halawa Anna Annisaul Karimah Arelina Br Ginting Artan, Silvia Artan, Silvina Aurelia Bastian S. Surbakti Bena Br. Ginting Bernadetha Manurung Betania Gulo Calvin Andriono Abednego Chairuna Chairuna Chandra, Deddy Chandra, Surya Choumuangpuak, Ronaldo Christy H. Tambunan Claudie Claudie Tiofanny Cynthia Bella Dame Lamtama Panjaitan Darniati br Sitorus Dea Nabila Putri Debora Br. Purba Deby Intan D. Gultom Delamin br Sembiring Desma Erica Maryati Manik Dewi Sinta Sianipar Dovean, Dovean Edison Simamora Ekin Geronimo Eliajar Julius Otniel Perangin-Angin Elisabeth Nainggolan Elisma Putri Br Barus Elizabeth Maretha Marbun Emriahta Br Damanik Ester Sabrina Aruan Felix Fenny Fenny Fernando Fery Wahyudi Firdan Hidayat Fransiska Tamara Br Simbolon Friska Canserina Aritonang Frizkha Hariana Gea, Sanderwan Kristian Grace Lestari Putri Keisha Aritonang halim, cheviria Haubu, TJ. Hek, Tan Kim Hermelina Ekasari br Tarigan Hoki, Fernando Hommy Dorothy Ellyany Sinaga Hommy Dorthy Ellyany Sinaga Honesty Sembiring Jack Karnadi Janes A. Nehe Jennifer Leslie Jesslyn Calista Jeudi A. T. P. Sianturi Joni Joni Jupita Mariana Manullang Kevinli Leonardi, Nicholas Linca Narsi Patresya Tamba Lisa Elianti Nasution Lubis, Rahma Safitri Lucky Tiur A. Marbun Luckyanto, Marvin M. Fahrial Aldi Maria Lumbanbatu Mariani Ginting Marlo Novino Marthalena Melly A. Laia Melyani Melyani Mhd. Ihsan Michael Larry Harianto Michael Lee Manurung Monica, Cencen Muhammad Ali Akbar Nainggolan, Elisabet Netrika Sari Zalukhu Noor, Muhammad Rafif Octoria Hulu, Publius Okta Feryanus Tarigan Panglima Martin Sitepu Petrus Loo Prycillia Putri Dwi Vani Purba, Angel Theresia Putri Jelita Rahmad Dianta Purba Raja Pratama Winfrid Hasibuan Rasti Purba Rebeka Oktavia Purba Rey Timotius Banjarnahor Ribka Callista Simangunsong Ribka Nduru Rima Sapira Sarah Fadhia Sartika Mayang Sari Seeffany Sabatini Br Samosir Selamat Sembiring, Dinaria br Shakilla Putri Nazwa shendy Shilvia Maria A. Siagian Shiny Rose Narit Sianturi, Richardo Aprianto Silfia Paramita Sinaga, Hommy Dorthy Ellyany Sipnarong Kanchawongpaisan Situmorang, Irvan Rolyesh Sri Rezeki Stefany Gloria Br Manullang stephanie stephanie Suhpina Suhpina Susan Grace V Nainggolan Sutantio, Andy Tanaka, Leony Tiara Sopianta Samosir Tri Wulandari Utami, Mulia Vasco Mario Prasetio Vasly, Aurelia Vesuvius, Deric Vio Renawati Viona Anggraini br Ketaren Wany Wany Widalicin Januarty Wilbert Wilbert William Winda Rosianna Tampubolon Windi Felisah Manalu Yesi Septiani Yokhebeb Zega Yulvitriyani Br Sebayang zalogo, zaruwarnas