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All Journal ICMSA Desimal: Jurnal Matematika Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat
Saib Suwilo
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Agriculture, Biological Sciences & Forestry Education Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences

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THE EXPONENT SET OF COMPLETE ASYMMETRIC 2-DIGRAPHS Saib Suwilo
Proceedings of ICMSA Vol 1, No 1 (2005): ICMSA 2005
Publisher : Proceedings of ICMSA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2831.093 KB)

Abstract

A 2-digraph is a digraph whose each ofits arcs is colored by either redor blue. The exponent ofa 2-digraphD is the smallest positive integerh + k over all possible nonnegative integers h and k such that for eachpair of vertices u and v in D there is a walk from u to v consisting of hred arcs and k blue arcs. In this paper, we show that for n 5 theexponent set of complete asymmetic 2-digraphs on n vertices is Eo :{2,3,4}.Keywords: 2-digraphs, primitive, exponent.
ON EXPONENTS OF PRIMITIVE GRAPHS Saib Suwilo
Proceedings of ICMSA Vol 1, No 1 (2005): ICMSA 2005
Publisher : Proceedings of ICMSA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3159.923 KB)

Abstract

A connected gaph G is primitive provided there exists a positive integerk such that for each pair of vertices u and v in G there is a walk of lengtht that connects u and v. The smallest of such positive integers k is calledthe exponent of G and is denoted by exp(G). In this paper, we give a newbound on exponent of primitive graphs G in terms of the length of thesmallest cycle of G. We show that the new bound is sharp andgeneralizes the bounds given by Shao and Liu et. al.Keywords: primitive graphs; exponents.
Training on Making Digital Learning Media to Improve Motivation and Learning Outcomes of Elementary School Students for Teachers SD Negeri 068332 Medan Saib Suwilo; Elvina Herawati; Mimmy Sari Syah Putri
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 8 No. 2 (2023): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v8i2.14691

Abstract

Learning media today is one thing that is very important in supporting the success of the student learning process at school. Monotonous learning only in the form of narration makes students bored with the learning process, so teachers must change student learning methods to make it more interesting and of course to improve the learning outcomes of these students. The demands of the times have required teachers to understand digital learning media. Of course, it is accompanied by the teacher's ability to mix and design in such a way that the learning process and the material presented can be in line and not boring. The learning process is basically a communication process through interaction between teachers and students. In the communication process the message is conveyed by the teacher to the recipient of the message or student. In the context of learning in the classroom, the message conveyed can be in the form of teaching materials delivered verbally (oral and written) and / or nonverbally (gestures). Not only teachers as communicators, learners can also act as communicators or messengers. This can happen in the midst of an increasingly modern learning system. Teachers are no longer the only source of learning, but learners can explore themselves to dig up information from various sources and communicate it in the learning process. Thus, there will be two-way communication or multiways traffic communication. Learning with both communication models requires the role of learning media to increase the effectiveness of achieving goals or competencies.
A fuzzy goal programming model with probabilistic constraints based on the poisson distribution Khairiyah Manurung, Silvi; Mardiningsih; Saib Suwilo
Desimal: Jurnal Matematika Vol. 8 No. 3 (2025): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v8i3.202529493

Abstract

Uncertainty and fuzzy ambiguity often complicate multi-objective decision-making, especially when discrete random events influence system behavior, making classical deterministic models insufficient. This study aims to develop a Probabilistic Fuzzy Goal Programming (PFGP) model that incorporates the Poisson distribution by reformulating the right-hand side (RHS) constraints into probabilistic expressions to more accurately represent discrete uncertainty. The methodological approach includes revisiting PFGP theory, defining decision variables and fuzzy aspiration levels, constructing probabilistic constraints, and applying the Poisson distribution to characterize randomness in constraint parameters, with the probabilistic constraints subsequently transformed into deterministic equivalents using the Poisson quantile function to ensure computational tractability. The results demonstrate that the proposed Poisson-based PFGP model produces more realistic, flexible, and robust decision alternatives in dynamic environments involving event-count data. The study contributes a Poisson-driven quantile reformulation mechanism for RHS constraints, offering a novel and effective pathway for handling discrete uncertainty within multi-objective fuzzy optimization.
Application of Internet of Things (IoT) Technology Automatic Plant Watering Using Arduino Program on Corn Plants of Sadar Tani Farmers Group Mimmy Sari Syah Putri; Saib Suwilo; Aghni Syahmarani; Putri Cahaya Situmorang; Alberto Tondang
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 10 No. 2 (2025): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v10i2.18053

Abstract

The technology of the Internet of Things (IoT) is advancing and being implemented in a variety of sectors, including agriculture. The Sadar Tani farmer group's automatic plant watering system for maize plants is the focus of this research, which investigates the application of IoT technology. The primary controller of this system is an Arduino device, which is connected to a communication module and soil moisture sensor to transmit data in real-time. The water pump is automatically activated to irrigate the plants until the humidity level returns to normal when the soil moisture level falls below the specified limit. This implementation has yielded enhanced corn plant health, reduced farmer workload, and increased water use efficiency. Furthermore, this system enables the remote surveillance of crop conditions, which offers supplementary advantages in the management of larger agricultural lands. As a result, the implementation of IoT technology offers a viable solution to the issue of watering plants on expansive agricultural land, in addition to promoting precision agriculture that is more environmentally favorable and sustainable. This research has the potential to serve as a reference for future development in the application of similar technology to other crops and the enhancement of features to optimize agricultural yields.
Co-Authors Aghni Syahmarani Alberto Tondang Elvina Herawati Khairiyah Manurung, Silvi Mardiningsih Mimmy Sari Syah Putri