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All Journal dCartesian: Jurnal Matematika dan Aplikasi Media Statistika Jurnal Teknologi Informasi dan Ilmu Komputer International Journal of Advances in Intelligent Informatics Kubik Khazanah Informatika: Jurnal Ilmu Komputer dan Informatika Jurnal Ekonomi dan Studi Pembangunan (Journal of Economics and Development Studies) Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika BAREKENG: Jurnal Ilmu Matematika dan Terapan JTAM (Jurnal Teori dan Aplikasi Matematika) MATRIK : Jurnal Manajemen, Teknik Informatika, dan Rekayasa Komputer Jurnal Abdi Insani Indonesian Journal of Data and Science Jurnal Sains dan Edukasi Sains SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Dinasti International Journal of Economics, Finance & Accounting (DIJEFA) Jurnal Pendidikan JAMBURA JOURNAL OF PROBABILITY AND STATISTICS ADPEBI International Journal of Business and Social Science Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Akuntansi dan Keuangan Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya Jurnal Pendidikan Indonesia (Japendi) Jurnal Kedokteran STM (Sains dan Teknologi Medik) Eduvest - Journal of Universal Studies Multifinance KISA INSTITUE : Journal of Economics, Accounting, Business, Management, Engineering and Society Adpebi International Journal of Multidisciplinary Sciences d'Cartesian: Jurnal Matematika dan Aplikasi SJME (Supremum Journal of Mathematics Education)
Bambang Susanto
Universitas Kristen Satya Wacana
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CONSTRUCTION OF SUBSTITUTION BOX (S-BOX) BASED ON IRREDUCIBLE POLYNOMIALS ON GF(2^8) Tita, Faldy; Setiawan, Adi; Susanto, Bambang
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 18 No 1 (2024): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol18iss1pp0517-0528

Abstract

In the field of modern encryption algorithms, the creation of S-Box is an essential element that plays an important role in maintaining data security in various industries. This article provides a comprehensive review of various S-Box designs, with particular emphasis on essential parameters such as “Average ”, “Average ” and “Non-linearity value”. The main goal is to determine the most optimal S-Box structure to minimize correlation, thereby improving the security and unpredictability of the cryptographic system. Research results indicate that the S-Box characterized by the 1BD hexadecimal code is superior to its counterparts. It has an average value of 4.1953 and an average value of 0.4756. In contrast, the S-Box represented by hexadecimal code 169 displays a relatively lower level of security, with an average d value of 3.8750 and an average value of 0.5156. These results enable security experts and cryptographers to make the correct choice when selecting the S-Box with the minimum correlation value, thereby strengthening cryptographic systems against emerging cyber threats.
S-BOX CONSTRUCTION IN THE ADVANCED ENCRYPTION STANDARD (AES) DEVELOPMENT ALGORITHM IN GF(2^2), GF(2^4) & GF(2^6) Setiawan, Adi; Tita, Faldy; Susanto, Bambang
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 18 No 4 (2024): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol18iss4pp2329-2344

Abstract

This research aims to obtain a method for constructing S-boxes based on GF(22), GF(24) and GF(26). A review of the Galois Field GF(2m) is presented for m=1,2,3,4,5 and 6. Furthermore, it is used to construct an S-box based on GF(22), GF(24) and GF(26). Based on these results, later it can be developed for S-box construction in the AES algorithm which uses the Galois Field GF(2m) for m>=10.
HUBUNGAN KEPATUHAN DAN LAMA PENGGUNAAN MASKER DENGAN KEJADIAN ACNE VULGARIS DI MASA PANDEMI COVID-19 Lestari, Dina Aulia; Susanto, Bambang
Jurnal Kedokteran STM (Sains dan Teknologi Medik) Vol. 5 No. 2 (2022): Juli 2022
Publisher : Fakultas Kedokteran Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/stm.v5i2.298

Abstract

Acne vulgaris ialah peradangan kronis dari unit pilosebaseus yang ditandai dengan adanya komedo, papul, pustul, nodul dan kista. Timbulnya acne karena penggunaan masker disebabkan oleh suhu dan kelembapan yang lebih tinggi pada permukaan kulit wajah yang disebabkan oleh udara yang keluar dan keringat. Tujuan penelitian ini adalah untuk mengetahui hubungan kepatuhan dan lama penggunaan masker dengan kejadian Acne Vulgaris pada masa pandemi COVID-19 di Clinic Dermafinity by Dr. Dhona tahun 2020-2021. Metode penelitian menggunakan penelitian analitik observasional dengan desain penelitian cross-sectional. Teknik analisis data yang digunakan dalam penelitian ini ialah Analisis Somer’s d. Hasil Penelitian didapatkan sebanyak 52,5% Acne Vulgaris derajat ringan dengan penggunaan masker dalam waktu kurang dari 3 jam, 11,5% Acne Vulgaris derajat sedang dan 6,6% Acne Vulgaris derajat berat menggunakan masker lebih dari 3 jam dengan diperoleh p-value 0,013 dan nilai korelasi 0,334. Sebanyak 57,4% Acne Vulgaris derajat ringan patuh dalam menggunakan masker, 14,8% Acne Vulgaris derajat sedang dan 8,2% Acne Vulgaris derajat berat tidak patuh dalam menggunakan masker dengan diperoleh p-value 0,000 dan nilai korelasi 0,556. Terdapat hubungan yang signifikan antara penggunaan masker dengan kejadian Acne Vulgaris dan hubungan yang signifikan antara kepatuhan penggunaan masker dengan kejadian Acne Vulgaris.
The Influence of Social Media Marketing Activities on Brand Loyalty in Mobile Phone Products Susanto, Bambang; Ruswanti, Endang
Eduvest - Journal of Universal Studies Vol. 4 No. 1 (2024): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v4i1.1001

Abstract

Marketing activities through social media have become a common practice in the 21st-century business world. This has facilitated direct interaction between companies and consumers, engaging them in direct communication. This study aims to systematically and comprehensively examine the impact generated by social media marketing activities (SMMA) on the creation of brand awareness, brand image, and perceived quality. The research will measure the impact on brand equity resulting from the utilization of SMMA, specifically focusing on its influence on brand loyalty concerning mobile phone products within Indonesian society. The research will employ data collection through surveys and Structural Equation Modeling (SEM) methodology. The findings indicate that Social Media Marketing Activities (SMMA) have a positive and significant impact on brand awareness, brand image, and perceived quality. Furthermore, brand awareness, brand image, and perceived quality are proven to positively and significantly influence brand loyalty. Brand equity, represented by brand awareness, brand image, and perceived quality, has shown the ability to mediate the relationship between SMMA and brand loyalty. Further research could delve into the impact of SMMA on customer equity and expand the study by incorporating additional variables related to brand loyalty. Companies may benefit from investing in marketing efforts utilizing social media platforms as effective marketing tools.
Bimbingan Klasikal Menumbuhkan Motivasi Belajar Siswa di Tengah Pandemi Covid-19 di SMK Bina Patria 1 Sukoharjo Susanto, Bambang; Purwanti, Purwanti; Suroto, Agung
JURNAL PENDIDIKAN Vol 30 No 1 (2021): March
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jp.v30i1.1071

Abstract

Dampak virus corona atau covid-19 mengharuskan pemerintah daerah untuk menerapkan kebijakan untuk meliburkan kegiatan pembelajaran di sekolah dan menerapkan pembelajaran daring atau Pembelajaran jarak jauh. Kebijakan pemerintah ini mulai efektif diberlakukan di berbagai wilayah di Indonesia sejak Maret 2020, termasuk di kabupaten Sukoharjo. Penelitian ini bertujuan untuk mengetahui keefektifan layanan bimbingan klasikal dalam menumbuhkan motivasi belajar siswa untuk meningkatkan prestasi akademik di tengah pandemi covid-19 yang dilaksanakan kelas XI TKR 3 SMK Bina Patria 1 Sukoharjo. Penelitian ini menggunakan teknik pengumpulan data wawancara dan observasi. Hasil penelitian menunjukkan menurunnya motivasi belajar siswa selama pembelajaran daring dikarenakan siswa kesulitan memahami materi yang diberikan, malas melaksanakan pembelajaran daring karena dirasa membosankan. Namun setelah dilaksanakan bimbingan klasikal dengan topik motivasi belajar siswa mulai tumbuh kembali yang ditunjukkan dengan siswa mulai bersemangat mengikuti pembelajaran daring setelah mengikuti layanan bimbingan klasikal, serta siswa lebih disiplin dalam pengumpulan tugas atau pekerjaan rumah.Kata-kata Kunci : Efektivitas Bimbingan klasikal, Motivasi Belajar, Pembelajaran daring
Pengaruh Permasalahan Broken Home Terhadap Self-Esteem dan Motivasi Belajar Siswa di SMP Muhammadiyah Rongkop Nuryani, Dwi; Syafi’i, Syafi’i; Susanto, Bambang; Hidayati, Awik
Jurnal Pendidikan Indonesia Vol. 4 No. 12 (2023): Jurnal Pendidikan Indonesia (Japendi)
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/japendi.v4i12.2547

Abstract

Belajar merupakan kegiatan yang mutlak dilakukan oleh seorang pelajar. Proses belajar yang baik harus mempunyai dasar rasa kepercayaan dan motivasi yang tinggi dari dalam diri sendiri. Tujuan dari penelitian ini untuk meneliti tentang pengaruh broken home terhadap self-esteem dan motivasi belajar siswa. Penelitian ini menggunakan metode kualitatif dan kuantitatif. Dalam mengumpulkan data peneliti menggunakan kuisioner dan wawancara. Peneliti mengumpulkan data dari siswa SMP Muhammadiyah Rongkop khususnya di kelas IX. Peneliti mengumpulkan 30 respon dari kuisioner dengan cara mendistribusikan kuisioner melalui Google Form. Kemudian, peneliti melakukan wawancara terhadap lima siswa yang sudah dipilih dengan kategori hasil yang paling signifikan menunjukkan adanya pengaruh negative dari broken home. Hasil dari penelitian ini menunjukkan bahwa broken home memberi pengaruh negative terhadap peserta. Broken home membuat tingkat self-esteem siswa menjadi rendah sehingga menyebabkan hilangnya rasa kepercayaan diri. Broken home juga membuat tingkat motivasi belajar siswa menjadi rendah dan menyebabkan siswa menjadi malas untuk belajar tanpa adanya dukungan dari orangtua maupun anggota keluarga lainnya. Permasalahan tersebut timbul karena tidak adanya keharmonisan keluarga yang membantu menstimulasi rasa percaya diri dan motivasi belajar siswa. Dengan demikian, peneliti berharap siswa dapat belajar nyaman di sekolah dengan adanya bimbingan dan dukungan dari pihak orangtua dan juga guru. Maka dari itu, siswa diharapkan akan mendapat hasil belajar siswa memuaskan.
The Mean Value Theorem for Integrals Method for Estimating Two-Dimensional Renewal Functions Sasongko, Leopoldus Ricky; Susanto, Bambang
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 1 (2020): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1430.842 KB) | DOI: 10.31764/jtam.v4i1.1831

Abstract

An important aspect in the provision of a two-dimensional warranty is the expected number of failures of a component during the two-dimensional warranty period. The purpose of this paper is to present a new method to obtain the expected number of failures of a nonrepairable compo­nent from the two-dimensional renewal functions as the so­lution of two-dimensional renewal integral equations through the Mean Value Theorem for Integrals (MeVTI) method. The two-dimensional renewal integral equation involves Lu-Bhattacharyya’s bivariate Weibull model as a two-dimensional failure model. It turns out that the estimation of the expected number of failures using the MeVTI method is close to that of the other method, Riemann-Stieljies method. The bivariate data behaviour of the failures of an automobile component is also studied in this paper.
ANALYSIS OF EXPORT COMPETITIVENESS TEXTILE AND APPAREL INDONESIA, CHINA, INDIA Susanto, Bambang; Sukadwilinda
Dinasti International Journal of Economics, Finance & Accounting Vol. 1 No. 1 (2020): Dinasti International Journal of Economics, Finance & Accounting (March- April
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijefa.v1i1.207

Abstract

The textile and apparel industries are labor-intensive and capital-intensive industries. The focus of this research looks at the competitiveness of textiles and apparel in Indonesia, China and India. The research method used is comparative descriptive, with the Herfindahl approach, Trade Specialization, Relevealed Comparative Adventage and Constan Market Share. Herfindahl calculation shows the market structure in Indonesia, China and India in the form of perfect competition. While the Trade Specialization approach, Indian exports are more stable than Indonesia and China. The TSR approach generally shows Export Promotion. The Revealed Comparative Adventage approach, Indonesia and India show stable and stagnant results, the RCA scale shows that China has a comparative advantage and strong competitiveness. Conclusion of the research, the market structure takes the form of a perfect competition and Export Promotion. China Has comparative advantages and strong competitiveness, followed by Indonesia and India.
PENGABDIAN MASYARAKAT UNTUK PEMBELAJARAN CODING ARTIFICIAL INTELLIGENCE KEPADA SISWA SMP KRISTEN WONOSOBO Trihandaru, Suryasatriya; Parhusip, Hanna Arini; Kurniawan, Johanes Dian; Susanto, Bambang; Setiawan, Adi; Nugroho, Didit Budi
Jurnal Abdi Insani Vol 11 No 2 (2024): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v11i2.1536

Abstract

Artificial intelligence and the Internet of Things (AIOT) have been widely used by various activities, especially in the millennial generation. However, scientific technology has not been widely introduced in education. Additionally, schools experience a decline in student enrollment every year, so it is necessary to carry out innovative learning actions that can be introduced to the community through students. Innovation learning is demonstrated by providing coding lessons that students have never done before so that AIOT becomes part of the learning. Therefore, coding as a learning method is  introduced to junior students so they can get to know AIOT early. The method used is making a device called AIOT-kit with training to be able to directly monitor environmental parameters such as temperature and humidity. The Internet of Things was introduced, which uses ThinkSpeak as a dashboard for making observations. This device was made by students so that they could follow the process from making the AIOT-kit hardware and related coding to utilization. It is shown that AIOT-kit is not yet known to students, including how to code in it. AIOT is an urgent need to access developing related technology. This activity is part of the service team's efforts to make a positive contribution to the community and school environment. After carrying out this activity, there was a change in how students could make their own AIOT-kit devices while also coding. The school even received an award from the local government for the innovation activities carried out during that period.
Regresi Median Pada Copula Bivariat Rinadi, Geraldus Anggoro; Sasongko, Leopoldus Ricky; Susanto, Bambang
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 3, No 1 (2019): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (532.618 KB) | DOI: 10.31764/jtam.v3i1.728

Abstract

Abstrak: Analisis regresi adalah analisis yang sering digunakan dalam segala bidang yang bertujuan untuk memodelkan hubungan antara dua jenis variabel tak bebas dengan satu atau variabel bebas. Regresi linier masih memiliki beberapa kekurangan, maka dari untuk mengatasinya dengan regresi median. Copula dapat digunakan untuk mendeteksi hubungan data bivariat dengan peubah-peubah yang berbeda. Hasil penelitian menunjukkan kurva kuantil bersyarat terbaik berdasarkan MSE terkecil Data I yaitu copula Plackett sebesar 0.8650. Sedangkan nilai MSE terkecil Data II yaitu copula Gaussian sebesar 0.3954. Nilai MSE terkecil Data III yaitu copula Frank sebesar 0.5575. Terakhir, nilai MSE terkecil Data IV yaitu copula Clayton sebesar 0.3190.Abstract:  Regression analysis is an analysis that is often used in all fields which aims to model the relationship between two types of non-dependent variables with one or independent variables. Linear regression still has several drawbacks, so to overcome this by median regression. Copula can be used to detect bivariate data relations with different variables. The results showed that the best conditional curves based on the smallest MSE of Data I were Plackett copula of 0.8650. While the smallest MSE value is Data II, which is a Gaussian population of 0.3954. The smallest MSE value of Data III is Frank copula of 0.5575. Finally, the smallest MSE value is Data IV which is copula Clayton of 0.3190.
Co-Authors Adi Setiawan Adrianus Herry Heriadi Agus Priyono Alfagustina, Yumita Cristin Alfida Tegar Nurani Algunadi, Muhammad Alicia Anggelia Lumbantoruan Alz Danny Wowor Asido Saragih Awik Hidayati Carolina Febe Ronicha Putri Denny Indrajaya Didit B Nugroho Didit Budi Nugroho Dini Kurniawati Dudi Rudianto Dwi Tristianto Egidius Saut Poltak Situmorang Elsa Septyana Endang Ruswanti Eva Rachmawati Faldy Tita Haay, Happy Alyzhya Hanna Arini Parhusip Hanna Arini Parhusip Herdiyanti, Gita Hersusetiyati, Hersusetiyati Johanes Dian Kurniawan Kezia Natalia Putri Prasetia Khalingga, M Ariq Khalingga, Muhammad Ariq Kholil, Zaini Kurniawan, Johanes Dian Laurentia Nindya Sari Prameswara Lenox Larwuy Leopoldus Ricky Sasongko Lestari, Dina Aulia Lilik Linawati Maria Anita masipupu, Frangky Aristiadi Mince M. M. Rosely Modjo, Marchella Ellena Nugraha, Rian Nanda Nuryani, Dwi Panjaitan, Lam Peter Petrus Priyo Santosa Prasetia, Kezia Natalia Putri PURWANTI PURWANTI Putri, Zefania Sasongko Ratnawati, Aryanti Rebecca Rorimpandey Ricky Agusiady Rima Dwijayanty Rinadi, Geraldus Anggoro Rorimpandey, Rebecca Saepudin Saepudin Saragah R Pratama SARI, EMMA NOVITA Setiawan, Audita Sukadwilinda Suroto, Agung Suryasatriya Trihandaru Susetyo, Yosia Adi Syafi’i, Syafi’i Tanujaya, Lukhia Britanthia Christina Tri Pujadi Susilo Tundjung Mahatma Vania Beatrice Liwandouw Visher Laja Jaja wahyu ngestisari Wulandari, Nadya Putri Yohanes Sardjono Yohanes Sardjono, Yohanes Zaenal Aripin