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Bilangan Kromatik Grap Commuting dan Non Commuting Grup Dihedral Rahayuningtyas, Handrini; Abdussakir, Abdussakir; Nashichuddin, Achmad
CAUCHY Vol 4, No 1 (2015): CAUCHY
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Commuting graph is a graph that has a set of points X and two different vertices to be connected directly if each commutative in G. Let G non abelian group and Z(G) is a center of G. Noncommuting graph is a graph which the the vertex is a set of G\Z(G) and two vertices x and y are adjacent if and only if xyâ‰ yx. The vertex colouring of G is giving k colour at the vertex, two vertices that are adjacent not given the same colour. Edge colouring of G is two edges that have common vertex are coloured with different colour. The smallest number k so that a graph can be coloured by assigning k colours to the vertex and edge called chromatic number. In this article, it is available the general formula of chromatic number of commuting and noncommuting graph of dihedral group

Wacana Khitan Perempuan Di Masyarakat Desa (Studi Di Masyarakat Desa Pager, Kecamatan Purwosari, Kabupaten Pasuruan) Nashichuddin, Ach.
ULUL ALBAB Jurnal Studi Islam Vol 4, No 1 (2003): Islamic Studies
Publisher : Universitas Islam Negeri Maulana Malik Ibrahim Malang

This research aims to describe a discourse of female circumcision in Pager village, Purwosari district, Pasuruan. There are two discourses that are described in this research; discourse of fiqh text that consists of books written by Moslem scholar of Syafi'iyah and discourse of social context in the village. This research found that no all fiqh books, which are spread over in society explain about female circumcision. The explanation is only found in advanced fiqih books that seldom be touched by civil society. In fiqh books expressed that majority of Moslem scholar see that female circumcision is religious obligatory either for men and woman. For a while other minority Moslem scholar see that it is obliged to men and recommended to woman. There is a significant difference between the fiqih text and the social context in Pager in explaining the meaning of female circumcision practice. There are three factors that cause the difference; the social and cultural change in the society, the change of thought system in the society, and the lack of knowledge regarding the fiqih text that explains female circumcision.

Analisis Kandungan Logam Berat Cd, Hg, dan Pb Daun Semanggi (Marsilea crenata Presl.) di Desa Semen, Kecamatan Pagu, Kabupaten Kediri Ma'arif, Burhan; Muti'ah, Roihatul; Suryadinata, Arief; Nashichuddin, Ach; Karawid, Galih Elsy
Journal of Islamic Pharmacy Vol 5, No 2 (2020): J. Islamic Pharm.
Publisher : Universitas Islam Negeri Maulana Malik Ibrahim Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jip.v5i2.9356

Semanggi (Marsilea crenata Presl.) berpotensi untuk diolah menjadi produk obat herbal karena khasiat yang dimilikinya. Namun, tanaman semanggi (Marsilea crenata Presl.) memiliki kemampuan fitoremediasi sehingga berdampak pada penimbunan logam berat yang berbahaya untuk kesehatan tubuh. Penelitian ini dilakukan untuk mengetahui kandungan logam berat Cd, Hg dan Pb pada daun semanggi di Kabupaten Kediri (Desa Semen, Kecamatan Pagu) untuk dibandingkan dengan Perka BPOM No. 12 tahun 2014 terkait batas logam berat untuk simplisia. Metode yang digunakan yaitu menggunakan Atomic Absorption Spectroscopy (AAS) pada sampel simplisia daun tanaman semanggi dan juga sampel tanah sebagai pembanding. Dari hasil pengujian sampel simplisia daun semanggi di Kabupaten Kediri (Desa Semen, Kecamatan Pagu) terdapat (Cd) dengan kadar 4,16 ppm. Hasil ini menunjukkan tidak memenuhi standar Perka BPOM No. 12 tahun 2014 karena melewati batas minimum Cd sebesar â‰¤ 0,3 ppm.

Implementasi Integrasi Islam dan Kedokteran Dalam Tugas Akhir Mahasiswa (Skripsi) Pada Fakultas Kedokteran dan Ilmu Kesehatan UIN Maulana Malik Ibrahim Malang Ach. Nashichuddin; Anita Andriya Ningsih; Nur Toifah
Journal of Islamic Medicine Vol 6, No 1 (2022): JOURNAL OF ISLAMIC MEDICINE EDISI MARET 2022
Publisher : Faculty of Medicine and Health Science, Universitas Islam Negeri Maulana Malik Ibrahim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jim.v6i1.15690

Background: The integration of Islam and science is the process of unification of various branches of science that exist with an assumption that all components of science come from God, which can be implemented in the learning curriculum in all faculties, including the faculty of medicine and health Sciences in the doctor's education study program. To achieve the vision of realising an integrative doctorate education study program in combining science and Islam of international repute, the integration is implemented in several fields of Education and teaching, including writing the final student project (thesis). Objective : to know the concept of integration of Islam and medicine and its implementation in writing student thesis at the faculty of medicine in ptkin environment. Method: This study uses a qualitative descriptive model to describe the concept of Islamic integration and prayer and its implementation in student thesis in the Medical Education Study Program of the Faculty of Medicine and Health Sciences by sampling ten student thesis in 2020. The results of the study are: 1) The concept used in the integration of Islam and medicine in the final project of students is a model of integration of Islamic Science, which makes the Qur'an and Hadith the foundation of the development of medical science. 2) The concept of integration of Islam and Medicine set out in the thesis writing manual has not been implemented optimally because there are differences in the writing of integration concepts in their final project. Conclusion: The implementation of Islamic Integration and Medicine has not been conceptualized optimally in preparing the final student project (thesis) at the Faculty of Medicine and Health Sciences UIN Maulana Malik Ibrahim Malang. Keywords: Medicine, Integration, Islam

Sufism in Java: The Meeting Point Between Sufism and Javanese Mysticism Ach. Nashichuddin
el Harakah: Jurnal Budaya Islam Vol 8, No 1 (2006): EL HARAKAH
Publisher : UIN Maulana Malik Ibrahim Malang

Wali Songo is a clerical preacher who is not only an Islamic prophet but also a carrier of Sufism in Java. This paper reviews sufism in Wali Songo era and the meeting point between sufism and Javanese mysticism. Seen from their teachings, they are adherents of the flow of Sunni Sufism that many adopt the teachings of Imam Al-Ghazali. In developing their teachings they established an educational institution called pesantren, an educational institution which at the same time provides a dormitory as a residence for the santri. In spreading Islam they are easily accepted by the Javanese community. This cannot be separated from the teachings they developed, the teachings of Sufism which have similarities with the mystical teachings held by the people of Java. The meeting point between Sufism and Javanese mysticism is the main factor in the success of Wali Songo’s mission in Java. It results in Javanese Islam, a combination between Islamic teaching and Javanese culture. Wali Songo adalah seorang pengkhotbah klerus yang bukan hanya seorang nabi Islam tapi juga pembawa tasawuf di Jawa. Makalah ini mengulas sufisme di era Wali Songo dan titik temu antara sufisme dan mistisisme Jawa. Dilihat dari ajaran mereka, mereka menganut aliran tasawuf Sunni yang banyak mengadopsi ajaran Imam Al-Ghazali. Dalam mengembangkan ajaran mereka, mereka mendirikan sebuah institusi pendidikan yang disebut pesantren, sebuah institusi pendidikan yang pada saat yang sama menyediakan asrama sebagai tempat tinggal para santri. Dalam menyebarkan Islam mereka mudah diterima oleh masyarakat Jawa. Hal ini tak lepas dari ajaran yang mereka kembangkan, ajaran tasawuf yang memiliki kesamaan dengan ajaran mistik yang dipegang oleh masyarakat Jawa. Titik temu antara tasawuf dan mistisisme Jawa merupakan faktor utama dalam keberhasilan misi Wali Songo di Jawa. Ini menghasilkan Islam Jawa, kombinasi antara ajaran Islam dan budaya Jawa.

Analisis Dinamik Model Penyebaran Tumor Otak dengan Respon Sel Imun Resti Dwi Anggraini; Usman Pagalay; Achmad Nashichuddin
Jurnal Riset Mahasiswa Matematika Vol 1, No 3 (2022): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v1i3.14339

The brain tumor distribution model with immune cell response is in the form of a non-linear system of ordinary differential equations with five equations. Each equation describes how immune cells in the brain, namely macrophages ( ), CD8+ T cells ( ), TGF- cytokines ( ) and IFN- ( ) cytokines interact with tumor cells, namely glioma cells ( ). From the calculation of the equilibrium point, the tumor cell-free conditions (DFE) and the endemic conditions (END) were obtained, in which tumor cells in long-term conditions were always present in the patient's brain. By using certain parameter values, it can be illustrated that the END condition is locally asymptotically stable while the DFE condition is locally unstable. This indicates that brain tumor cells, namely glioma cells ( ) will increase to their maximum value of 882650 cells and remain at that number from day 1000 onwards.

Analisis Dinamik Model Penyebaran Tumor Otak dengan Respon Sel Imun Anggraini, Resti Dwi; Pagalay, Usman; Nashichuddin, Achmad
Jurnal Riset Mahasiswa Matematika Vol 1, No 3 (2022): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v1i3.14339

The brain tumor distribution model with immune cell response is in the form of a non-linear system of ordinary differential equations with five equations. Each equation describes how immune cells in the brain, namely macrophages ( ), CD8+ T cells ( ), TGF- cytokines ( ) and IFN- ( ) cytokines interact with tumor cells, namely glioma cells ( ). From the calculation of the equilibrium point, the tumor cell-free conditions (DFE) and the endemic conditions (END) were obtained, in which tumor cells in long-term conditions were always present in the patient's brain. By using certain parameter values, it can be illustrated that the END condition is locally asymptotically stable while the DFE condition is locally unstable. This indicates that brain tumor cells, namely glioma cells ( ) will increase to their maximum value of 882650 cells and remain at that number from day 1000 onwards.

Optimasi Prediksi Kecepatan Angin Harian dengan Jaringan Saraf Tiruan Khoiri, Muhammad Imamul; Harini, Sri; Nashichuddin, Achmad
Jurnal Riset Mahasiswa Matematika Vol 4, No 6 (2025): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v4i6.34659

Penelitian ini memodelkan kecepatan angin harian pada jalur penyeberangan Gresik--Bawean periode Desember 2020 hingga November 2023 menggunakan Jaringan Saraf Tiruan (JST) dengan algoritma backpropagation. Data yang digunakan meliputi kecepatan angin, tinggi gelombang rata-rata, panjang gelombang, periode gelombang, dan tinggi maksimum gelombang. Model dievaluasi dengan skema \textit{walk-forward validation} dan dibandingkan dengan model baseline seperti \textit{persistence} dan SARIMA. Kinerja diukur menggunakan metrik MAE, RMSE, sMAPE, dan MASE dengan interval kepercayaan bootstrap, serta pengujian signifikansi menggunakan uji Diebold--Mariano. Hasil menunjukkan bahwa arsitektur terbaik JST (5--3--2--1) mampu menurunkan RMSE secara signifikan dibandingkan baseline (p $

Optimasi Algoritma Cheapest Insertion Heuristic dengan Algoritma Tabu Search dalam Pencarian Rute Terpendek Yulianti, Silviyatus; Jauhari, Mohammad Nafie; Nashichuddin, Achmad
Jurnal Riset Mahasiswa Matematika Vol 4, No 6 (2025): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v4i6.33343

The shortest route finding problem is a significant topic in graph theory and combinatorial optimization, with wide applications in logistics, transportation, and scheduling. This research aims to improve the quality of the solution and time efficiency in solving the Traveling Salesman Problem (TSP) by optimizing the Cheapest Insertion Heuristic (CIH) algorithm using the application of the Tabu Search algorithm. The CIH algorithm constructs an initial solution by inserting points based on minimum weight. At the same time, the Tabu Search algorithm is applied to enhance the solution by avoiding local optima using a tabu list mechanism. The research data, consisting of the distances between parking retribution collection points by the Malang City Transportation Agency in Sukun Sub-district, were obtained from Google Maps. The algorithm performance evaluation is done by comparing the total mileage before and after optimization, and statistically analyzed using the Wilcoxon signed-rank test because the data does not follow a normal distribution. The results showed that optimizing the CIH algorithm using the Tabu Search algorithm significantly resulted in routes with shorter travel distances than using the CIH algorithm alone. This finding proves that optimizing the CIH algorithm with Tabu Search increases the effectiveness of finding the shortest route.The shortest route finding problem is a significant topic in graph theory and combinato-rial optimization, with wide applications in logistics, transportation, and scheduling. Thisresearch aims to improve the quality of the solution and time efficiency in solving the Trav-eling Salesman Problem (TSP) by optimizing the Cheapest Insertion Heuristic (CIH) algo-rithm using the application of the Tabu Search algorithm. The CIH algorithm constructs aninitial solution by inserting points based on minimum weight. At the same time, the TabuSearch algorithm is applied to enhance the solution by avoiding local optima using a tabulist mechanism. The research data, consisting of the distances between parking retributioncollection points by the Malang City Transportation Agency in Sukun Sub-district, were ob-tained from Google Maps. The algorithm performance evaluation is done by comparing thetotal mileage before and after optimization, and statistically analyzed using the Wilcoxonsigned-rank test because the data does not follow a normal distribution. The results showedthat optimizing the CIH algorithm using the Tabu Search algorithm significantly resulted inroutes with shorter travel distances than using the CIH algorithm alone. This finding provesthat optimizing the CIH algorithm with Tabu Search increases the effectiveness of findingthe shortest route.

Pembobotan Ulang pada Graf Berbobot Negatif untuk Menerapkan Algoritma Dijkstra dalam Menentukan Lintasan Terpendek Salsabillah, Natasya Thalia; Jauhari, Mohammad Nafie; Nashichuddin, Achmad
Jurnal Riset Mahasiswa Matematika Vol 5, No 1 (2025): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v5i1.34383

Algoritma Dijkstra merupakan algoritma untuk mencari lintasan terpendek yang bekerja secara optimal pada graf berbobot non-negatif. Namun, dalam berbagai permasalahan nyata seperti sistem transportasi dan jaringan keuangan, sering ditemukan sisi dengan bobot negatif yang menyebabkan Algoritma Dijkstra tidak dapat diterapkan secara langsung. Penelitian ini bertujuan untuk mengatasi keterbatasan tersebut dengan menerapkan metode pembobotan ulang menggunakan Algoritma Johnson. Metode ini mengombinasikan Algoritma Bellman-Ford dan Dijkstra untuk mengubah bobot negatif menjadi non-negatif tanpa mengubah struktur solusi optimal. Data yang digunakan berupa dua graf acak berarah yang masing-masing terdiri dari 31 simpul, yang dibuat menggunakan algoritma Erdos-Renyi. Hasil penelitian menunjukkan bahwa pembobotan ulang berhasil membuat bobot graf menjadi non-negatif sehingga Algoritma Dijkstra dapat diterapkan, dan hasil lintasan terpendek yang diperoleh sama dengan hasil dari Algoritma Bellman-Ford. Dengan demikian, metode pembobotan ulang menggunakan Algoritma Johnson terbukti efektif dalam menangani bobot negatif dan tetap menjaga keakuratan hasil pencarian lintasan terpendek menggunakan Algoritma Dijkstra.

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