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All Journal Pelita Eksakta Journal of Mathematics UNP Rangkiang Mathematics Journal JNPM (Jurnal Nasional Pendidikan Matematika)
Muhammad Subhan
Universitas Negeri Padang
Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Mathematics Physics Other

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Model Matematika Produksi Persediaan Dengan Adanya Kerusakan Barang Dan Mempertimbangkan Pengurangan Harga Serta Penundaan Pembayaran Desi Triana Putri; Muhammad Subhan
Journal of Mathematics UNP Vol 8, No 1 (2023): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/unpjomath.v8i1.13441

Abstract

The problem about total cost of inventory that is not optimal in a company that produces its own item is something that happen and important to complete. The problem occur because the inventory control applied by the company is not effective.Deteriorating item and allowing price discount are thing that cause the total cost of  inventory is not optimal. In generally, payment that made after the item are received by the customer. However the company allowing delay in payment. The purpose of this study is to form a mathematical modelling about total cost inventory is not optimal at company with deteriorating item, price discount and delay in payment. The result of this study are a model of inventory with deteriorating item. The equation for the total cost of inventory obtained by the excistence payment delay period of replenishment item incur interest cost which cause  the total cost of inventory to be greater.
Profesionalisme Guru dalam Membuat Soal Higher Order Thinking Skills Armiati Armiati; Muhammad Subhan; Minora Longgom Nasution; Saddam Al Aziz; Maulani Meutia Rani; Ronal Rifandi; Yulyanti Harisman
JNPM (Jurnal Nasional Pendidikan Matematika) Vol 4, No 1 (2020): EDISI MARET
Publisher : Universitas Swadaya Gunung Djati

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (829.378 KB) | DOI: 10.33603/jnpm.v4i1.2587

Abstract

Penelitian ini dilatarbelakangi rendahnya kemampuan Higher Order Thinking  Skills (HOTS) siswa  Sekolah Menengah Pertama (SMP). Profesionalisme guru sangat erat kaitannya  dengan  HOTS siswa. Penelitian ini bertujuan untuk menganalisis profesionalisme guru dalam membuat soal HOTS sebelum dan sesudah dilakukan pelatihan. Metode penelitian yang digunakan adalah metode survey. Tujuh belas guru dari 11 SMP se-Kecamatan Padang Utara, Sumatera Barat dijadikan sebagai subjek penelitian. Awalnya guru diminta membuat soal HOTS sebelum diberikan pelatihan. Selanjutnya, para pakar memberikan pelatihan dalam perancangan soal HOTS. Soal HOTS yang disusun oleh guru dianalisis sebelum dan sesudah mengikuti pelatihan. Hasil penelitian menunjukan bahwa 41% guru yang mampu membuat soal HOTS sebelum diberikan pelatihan. Soal HOTS yang dibuat oleh guru masih belum benar, karena kata kerja operasional pada soal masih berada pada level C1–C2. Semua guru dapat membuat soal HOTS setelah diberikan pelatihan. Dari semua guru, 30 % guru mampu memahami sebagian materi pelatihan dan mampu membuat soal HOTS namun masih belum benar dan 70 % guru mampu memahami materi pelatihan dan  mampu membuat soal HOTS dengan benar.Kata Kunci: Higher Order Thinking Skills, Guru, Sekolah Menengah Pertama.
Model Penyebaran Rumor di Media Sosial Tasya Salsabilla Harista; Muhammad Subhan
Journal of Mathematics UNP Vol 8, No 2 (2023): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/unpjomath.v8i2.14515

Abstract

Rumors are information that spreads widely without any confirmation of truth and definite facts. One of the media that is used in rumors spreading is social media. The negative impact raised by rumors spreading through social media is the disruption of social stability, economic systems, and politics. The research purpose is to analyze the rumor spreading model on social media. This research is basic research (theoretical) using descriptive methods. The analytical results are obtained of a rumor-free equilibrium point and a rumor spread equilibrium point, each of which is asymptotic stable.  The basic reproduction number obtained by the rumor will spread if the rate of movement of the population of individual who never hear the rumor or counter-rumor increases and became a individual who have been exposed to the rumor or counter-rumor.
Co-Authors Anjely Aunaya Alfatihah Arnellis Arnellis Bella Guivera Diandes Bella Guivera Diandes Defri Ahmad Defri Ahmad Desi Triana Putri Dewi Murni Dina Fitria Dini Kamala Sari Engki Mai Putra Eri Ranyusa Putri Esty Wahyuni Hana Fadhila Helma Helma Ingrit Ridha Rahayu isra miati Iswarnedi Iswarnedi Khairunisa Khairunisa Laksono Trisnantoro Lani Widia Putri Latifah Hanum Maharani Safitri Maulana, Heru Maulani Meutia Rani Media Rosha Mei Dina Rahmi Meiky Riani Meira Parma Dewi Minora Longgom Nasution Nadia Wulandari Nadia Wulandari Nilam Purnama Sari Nurma Yenni Peni Erawati putri karimah rahma widia Riry Sriningsih rizqa hariq hazana Ronal Rifandi Saddam Al Aziz Sarah Hardiana SHELLA RIZKY AMALIA Siska Novita Sari Siti Aminah suci wulandari Suherman Suherman Tasya Salsabilla Harista Taufik Iqbal Taufik Iqbal Vhinasy Andari Wanari Intan Dwi Putri Wella Kurnia Yoga Aprila Yuco Alsbaldo Yulyanti Harisman Yusmet Rizal Yusmet Rizal Zulfadri Zulfadri