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Mulyono Mulyono
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Pengaruh Current Ratio dan Return on Asset terhadap Return Saham Bau E; Handani Handani; Mulyono Mulyono
Jurnal Manajemen Kewirausahaan dan Teknologi Vol. 2 No. 3 (2025): September: Jurnal Manajemen Kewirausahaan dan Teknologi
Publisher : Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to analyze the effect of financial ratios, specifically the Current Ratio (CR) and Return on Assets (ROA), on stock returns of food and beverage subsector companies listed on the Indonesia Stock Exchange (BEI) during the period 2022–2024. The approach used is quantitative with a descriptive method and multiple linear regression analysis, along with classical assumption tests to ensure data validity. The sample consists of 18 companies that meet the purposive sampling criteria based on the availability of complete financial statements, observation periods, and no losses. Data were obtained from annual financial reports available on the official BEI website and individual companies. The analysis results show that, simultaneously, both Current Ratio and Return on Assets have a positive and significant effect on stock returns, indicating that liquidity and profitability are important factors affecting investment returns in this sector. Partially, ROA has a significant positive effect on stock returns, while the effect of CR is positive but not significant. These findings provide strategic implications for companies in managing financial aspects and for investors in making investment decisions based on financial indicators. This study is expected to contribute to the development of knowledge in corporate finance.
Bilangan Kromatik Dari Graf Hasil Operasi Korona Pada Graf Bintang Dan Graf Ligkaran Shindy Sagita Br Ginting; Mulyono Mulyono
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 2 No. 2 (2023): Oktober : Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v2i2.1622

Abstract

Two graphs are operated with various operations, one of which is Operation Corona. The graphs that are operated in this paper are circle graphs and star graphs. Both graphs are operated with Operation Corona. The graph resulting from the operation is then colored using the Greedy Algorithm. The Chromatic Number obtained from the results of the Corona Operation on a graph (Cn ⊙ Sm) is χC_n⊙S_m = 3 for every m,n ≥ 3, {m,n ∈ N}. Because the graph resulting from the corona operation is non-commutative, the chromatic number obtained from the graph (Cn ⊙ Sm) is different from the graph (Sm ⊙ Cn). The chromatic number from the corona operation on the graph (Sm ⊙ Cn) is divided into 2, namely: χS_m⊙C_n = 3 for every odd n, and χS_m⊙C_n = 4 for every even n, m ≥ 3, n ≥ 4, {m, n ∈ N}.
Penerapan Algoritma Boruvka Pada Jaringan Listrik : (Studi Kasus Pada Kelurahan Tanjung Pinggir Kecamatan Siantar Martoba) Novita Sari Saragih; Mulyono Mulyono
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 2 No. 2 (2023): Oktober : Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v2i2.1740

Abstract

This research was conducted in Tanjung Pinggir, Siantar Martoba District to determine the optimization of electrical installations using the Boruvka algorithm to find a minimum spanning tree node with a minimum number of 3 consecutive nodes. Edges that do not form a circuit. Based on data obtained from PT. PLN (Persero) UP3 Pematangsiantar, then a picture of the installed network graph is obtained. The results obtained for the electrical installation diagram were obtained by using Python and the 2,591 meter Boruvka algorithm to obtain a minimum spanning tree. In this case, the electricity distribution cable is reduced by 41 meters compared to the previous total installation of 2,632 meters.
Himpunan Kritis pada Graf Bintang Dian Mestika Sari; Mulyono Mulyono
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 2 No. 2 (2023): Oktober : Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v2i2.2556

Abstract

Labeling is a one-to-one mapping that maps each element of a graph to Positive numbers called labels. One of its kind is edge-magic total labeling. Under special conditions, the results set of labeled graphs whose subsets are labeled and positioned, which builds the same graph as the labeling, is called the critical set. To obtain the critical set of a graph we must know the type of graph. In this study is a star graph. This study aims to determine the critical set in star graphs. The star graph used is the K1.5 star graph using center points 1, n + 1 and 2n + 1. The research results show that by labeling the total magic side of the K1.5 star graph with center point λ(c) = 1, the magic number k=14 is obtained. The possible critical set of K1.5 graphs is 120. In the K1.5 Star Graph with center point λ(c) = n+ 1, the magic number k=18 is obtained. The possible critical set of K1.5 graphs is 120. In the K1.5 Star Graph with center point λ(c) = 2n + 1, the magic number k=22 is obtained. The possible critical set of K1.5 graphs is 120.
Co-Authors A. Shofy Mubarak AA Sudharmawan, AA abdul basith Achmad Satrio Adi Nur Cahyono Agus Mulyanto Agus Nuryatin Agustina Agustina Ahmad Yani Akhmad Samsu Rijal Ali Mustofa Anang Tri Prasetyawan Annisa Nur Rohmah Purnamasari Ardelia Ernestine Arga Rizki Setiyanto Arie Anang Setyo Arifa Rahmatika Salsabilla Artadi Heru W Aspita Laila Ayu Setyaningrum Ayu Siti Ni’mah Syuridiniah Bau E Benny Fremmy Bintang Nurdiansyah Putra Brainvendra Widi Dionova Budhi Prasetiyo Budi Hermawan Choirul Anam Cintia Anggraini Cornelia Angelina P.H Daffa N. H Dewi Ratih Dharmayanti Pri Handini Dian Herasari Dian Mestika Sari Diana Urip Rahayu Dinda Bintang Anjani Dwi Retnoningrum Dwiana Hendrawati Efridani Lubis Eko Andy p. Eko Andy Purnomo Eva Azhra Latifa Ewi Ismaredah Faridhatun Nikmah Feti R Kristanti Fitri Amilia Fitri Amillia Fitri Suryanti H Ahd Fauzi H Majeri H Taufikurrahman Hadi Laksono Handani Handani Humuntal Banjarnahor I Wayan W W Iman Saifullah Indah Parwatih Irvan Fauzi Isnaini Rosyidah Isnarto Isnarto Istikomah Suci Lestari Jakaria Jakaria Khoirul Anwar Konita L Kristin Andriani M Fathurrahman Fathurrahman Maria Magdalena Mariani Sitanggang Martyana Prihaswati Melina Br. Sembiring Mirza Rizaldi Muchamad Lukman Fauzi Muhammad Haqqi Muhammad Saleh Suaidy Mukh Doyin Mukhammad Bakhruddin Murita Putri Z Mu’alimin Mu’alimin Mu’jizat Al Marwa Najma Khairani Harahap Nanda R Nida Sopiah Novita Sari Saragih Nur Fatowil Aulia Nur Rika T.R Nuzul Barkah Prihutomo Nyoman Suci Widyastiti Rifky Pradifta Eka Putra Rika Susanti Roidlotul Nikmah Annafi Ruslan Hasyim Saekhol Bakri, Saekhol Sahat Saragih Setyo Hadi W Shindy Sagita Br Ginting Slamet Priyoatmojo Soedjono Soedjono Sofyan Sori Sri Murwanti Sugeng Riani Suharso Suharso Sukestiarno Sukestiarno Sukestiyarno Sukestiyarno survival survival Suseno Suseno Susi Sulistia Suwarti Suwarti Suwarti Suwarti Syakrila Ratu Awwali Taufik Taufik Teguh Harijono Mulud Tri Puji Rahayuningsih Trisnawati, Nika Fetria Ummul Zulaikhah Wahju Wuladari Wahju Wulandari Wahyono Wahyono Wistiani Wistiani Yetty Movieta Nancy Yetty Movieta Nency Yosephin Elisabeth Panggabean Yuyun, Qurotun A'yuni Zaenuri Zaenuri Zuliyanti Zuliyanti Zulkifli Matondang