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OPTIMIZATION OF PRODUCTION COSTS WITH SIMPLEX METHOD Firmansyah, Firmansyah; Panjaitan, Dedy Juliandri; Salayan, Madyunus; Silalahi, Alistraja Dison
Journal of Community Research and Service Vol 4, No 2: July 2020
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jcrs.v4i2.15277

One of the problems in the company is my resource limitation, the time of production and the tools used in the production process. Companies in making decisions in production planning in the presence of these limitations, should seek to maximize the profit generated. However, in the production process a production planning reference is required to maximize the results obtained and minimize the production costs used. To solve the problem, needed a problem solving tool that is linear program using simplex method. Simplex method is one of the methods of linear program in solving the problem of more than two variables that can be applied into everyday life and can be used in production process planning. With one of the ultimate goal is the achievement of the optimum value with the constraints of limited resources. The results of the simplex method have decreased costs incurred less than the usual costs incurred every month and the results obtained using the simplex method can be used as a reference in making decisions to get optimal results on production costs in the company.

Mewujudkan Karakter Peserta Didik Melalui Model Talking Stick Salayan, Madyunus; Sari, Dwi Novita; Yunanda, Erni; Fauzi, Ahmad
Amaliah: Jurnal Pengabdian Kepada Masyarakat Vol 7 No 2 (2023): Amaliah: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPI UMN AL WASHLIYAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32696/ajpkm.v7i2.3969

Elementary School is one of the levels of Education that has an important task in shaping the character of students. We see that the current generation looks very lacking in character. This phenomenon gives encouragement to the government to change the purpose of the education curriculum towards the formation of student character. The purpose of PKM is to find the values needed by teachers for the formation of students' character by using the talking stick model. The talking stick model is a learning model that gives students the freedom to be able to act freely as far as possible without coercion so that they can develop confidence. This model is expected to shape the character of students. The method of this activity is a lecture and question and answer about the socialized stick takling model. Socialization of models that can be used as one of the alternatives in learning in order to shape the characteristics of students. Counseling on the socialization of the talking stick model was carried out at SDN 101808 Candirejo Village, Biru-Biru District, Deli Serdang Regency. This counseling activity is expected to shape the characteristics of students since gaining knowledge at school. The results of this counseling are expected so that teachers can shape the character of students to be better by using the talking stick model.

Pelatihan Mental Aritmetika Matematika di SMA Sains Tahfidz Qur’an Al-Ammar Mujib, Abdul; Salayan, Madyunus; Yusuf, Riduan; Dewi, Fitria Puspa; Istia, Mimi
Amaliah: Jurnal Pengabdian Kepada Masyarakat Vol 6 No 2 (2022): Amaliah: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPI UMN AL WASHLIYAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32696/ajpkm.v6i2.3991

Dalam matematika pemahaman dan proses bernalar menjadi hal mendasar untuk melatih penalaran siswa. Melalui proses penalaran, siswa akan mampu untuk mencari, menemukan, mengembangkan dan mengaplikasikan ilmu pengetahuan. Salah satunya yaitu melalui pendekatan mental aritmetika. Mental aritmetika adalah keterampilan berhitung diluar kepala tanpa menggunakan alat hitung. Sistem mental aritmetika terbukti sangat berguna dalam mengoptimalkan daya analisa, ingatan, ketahanan, logika, kemandirian, ketekunan, penemuan dan penerapan. Hasil riset ini menunjukkan siswa sangat antuasias dan termotivasi untuk belajar matematika dengan mengetahui trik baru dalam berhitung bilangan. Dari 5 trik matematika yang diberikan, setidaknya siswa mampu menggunakan 1 trik aritmetika dan menerapkannya. Sebagian besar siswa mampu menguasai lebih dari 3 trik aritmetika. Berdasarkan hasil angket yang diberikan, seluruh siswa termotivasi dan akan menggunakan trik baru ini untuk pembelajaran matematika. Kegiatan ini dilaksanakan pada minggu pertama bulan Oktober 2022 dengan melibatkan mahasiswa S2 Pendidikan Matematika. Proses PKM ini dilaksanakan didalam kelas yang melibatkan 11 orang siswa kelas X. Hasil PKM ini menunjukkan siswa sangat antuasias mengikuti kegiatan dan termotivasi untuk belajar matematika dengan mengetahui trik baru dalam berhitung bilangan. Dari 5 trik matematika yang diberikan, setidaknya siswa mampu menggunakan 1 trik aritmetika dan menerapkannya. Sebagian besar siswa mampu menguasai lebih dari 3 trik aritmetika. Berdasarkan hasil angket yang diberikan, seluruh siswa termotivasi dan akan menggunakan trik baru ini untuk pembelajaran matematika. Luaran dari kegiatan ini adalah 1Artikel Jurnal terakreditasi Sinta 5, 2) Publikasi di media massa koran online DNA.id, 3) Publikasi di media social Youtube.

The effect of differentiated learning approach based on learning style on critical thinking skills and mathematical problem solving of junior high school students PAB 5 Patumbak Yunanda, Erni; Salayan, Madyunus; Zahari, Cut Latifah
Cendikia : Media Jurnal Ilmiah Pendidikan Vol 15 No 5 (2025): May: Education Science
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/cendikia.v15i5.6222

The objectives of this study are 1) to analyze the influence of differentiated learning approaches based on learning styles on students' critical thinking skills and mathematical problem solving, 2) to analyze significant differences in critical thinking skills between students with different learning styles (e.g. visual, auditory, kinesthetic) after following the differentiated learning approach and 3) to analyze the influence of differentiated learning approaches tailored to students' learning styles on students' mathematical problem-solving abilities. The form of research used by the researcher is One-group Pretest-Posttest Design. The sample in this study is all students of grades VII-1, VII-2 and VII-3. Based on the results that have been carried out, it is obtained that 1) there is a significant influence between differentiation learning based on learning styles on the critical thinking ability and mathematical problem solving of students, 2) there is a significant difference in critical thinking skills between students with different learning styles after participating in differentiated learning and 3) there is a significant influence between differentiation learning that is adjusted to the learning style of students to the mathematical problem-solving ability of students.

MODEL SOCIAL NETWORK EFFECT ON PRODUCT DESIGN Salayan, Madyunus; Panjaitan, Dedy Juliandri
ZERO: Jurnal Sains, Matematika dan Terapan Vol 1, No 1 (2017): January - June
Publisher : UIN Sumatera Utara

The effect of social networking on business marketing strategies becomes inevitable. Taking a step back, we try to combine and analyze the effect on new product development and then propose a model for designing product deployment through social networks. We construct the issue of preferred stock (Kohli and Krishnamurti 1987), which is a common combinatorial optimization problem used as one of the methods for analyzing aggregated data analysis by marketers to identify products with the largest market share, and showing how to combine social networking securities in the issue of stock options .

OPTIMIZATION OF PRODUCTION COSTS WITH SIMPLEX METHOD Firmansyah, Firmansyah; Panjaitan, Dedy Juliandri; Salayan, Madyunus; Silalahi, Alistraja Dison
Journal of Community Research and Service Vol. 4 No. 2: July 2020
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jcrs.v4i2.15277

One of the problems in the company is my resource limitation, the time of production and the tools used in the production process. Companies in making decisions in production planning in the presence of these limitations, should seek to maximize the profit generated. However, in the production process a production planning reference is required to maximize the results obtained and minimize the production costs used. To solve the problem, needed a problem solving tool that is linear program using simplex method. Simplex method is one of the methods of linear program in solving the problem of more than two variables that can be applied into everyday life and can be used in production process planning. With one of the ultimate goal is the achievement of the optimum value with the constraints of limited resources. The results of the simplex method have decreased costs incurred less than the usual costs incurred every month and the results obtained using the simplex method can be used as a reference in making decisions to get optimal results on production costs in the company.

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