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All Journal Jurnal Matematika Techno.Com: Jurnal Teknologi Informasi JITEK (Jurnal Ilmiah Teknosains) Al-Wijdan : Journal of Islamic Education Studies Journal of Mathematics and Mathematics Education (JMME) Unisda Journal of Mathematics and Computer Science (UJMC) International Journal of Computing Science and Applied Mathematics Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika Systemic: Information System and Informatics Journal EDUTEC : Journal of Education And Technology MATHunesa: Jurnal Ilmiah Matematika Jurnal Pengabdian Masyarakat: BAKTI KITA Community: Jurnal Pengabdian Kepada Masyarakat

Mohammad Syaiful Pradana, Mohammad Syaiful

Universitas Islam Darul 'Ulum Lamongan

Author-ID : 615566

Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Public Health Social Sciences Veterinary Other

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THE ACTIVITY INFLUENCE USING GEOGEBRA PROGRAM ON CIRCLE SUBJECT OF STUDENT ACHIEVEMENT Mohammad Syaiful Pradana
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 1 No 01 (2015): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Nowdays, education has support by modern facilities like a computer. So, this facilities should be utilized maximally, especially in mathematics. One of the computer program for learning mathematics is Geogebra. This program provides a geometric visualization to clarify certain concepts to students. The purpose of this research is determine the activity of learners using Geogebra program and its effect for students achievement. The research type is not purely experimental studies with one shot case studymodels. This is an experiment models conducted without comparison group and also preview test. The research population is students at XI MIA-1 until XI MIA-7 Senior High School 1 Manyar Gresik academic years 2014-2015. While the sample is XI MIA-2 randomly selected after homogenity test. The research instrument using observation sheet and test. From the data collected and analyzed using normality test, liniearity test, linear regression test, F test, t test and determination coefficient results regression equation

PENERAPAN KODE HUFFMAN PADA ALGORITMA RSA (RIVEST-SHAMIR-ADLEMAN) UNTUK MENYANDIKAN PASSWORD EMAIL Shofwan Ali Fauji; Mohammad Syaiful Pradana; Niken Ayu Azhari
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 2 No 1 (2016): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Email password is highly condential, that the email password can not be seen by other people then the encryption with the science of cryptography. To avoid unwanted things on the email password, the authors will examine and discuss about cryptography or encryption. Encoding using ASCII code and Huffman codewill be applied to the RSA, in order to determine which code is faster in the prosess of encoding the email password. After doing some tests it can be concluded that the Huffman code faster in the encoding process of the ASCII code. The average difference is 45% faster than the ASCII code.

METODE ADI (ALTERNATING DIRECT IMPLICIT) PADA PENYELESAIAN MODEL ALIRAN AIR TANAH Mohammad Syaiful Pradana; Lutvia Muniroh
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 2 No 1 (2016): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

The flow of water beneath the earth's surface flows through the pores like rocks and other porous media that can be flooded by water. In the soil, water flows due to the difference in hydraulic height that is the difference from ground water level. Groundwater movement, generally moving water with relatively slow flow can be modeled using Darcy law and mass conservation laws. The model is approximated numerically using the Finite Difference Method with the ADI (Alternating Direct Implicit) scheme. The ADI method has an advantage in the accuracy or accuracy of the results and the speed of completion. The ADI method can be applied to two or three dimensional systems to obtain the tridiagonal coefficient matrix.

Pengaruh Jumlah Industri dan Tenaga Kerja Terhadap Nilai Produksi Industri Formal Kecil Mu'tasim Billah; Mohammad Syaiful Pradana
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 6 No 01 (2020): Unisda Journal of Mathematics and Computer science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/ujmc.v6i01.2383

The purpose of this study to analyze the effect of the number of industries and labor on the value of production in small industries in Lamongan Regency using the Durbin-Watson test. The Durbin-Watson test is an autocorrelation test that assesses the presence of autocorrelation in residuals. Data taken from the Central Bureau of Statistics of Lamongan Regency. Furthermore, it was analyzed using SPSS assistance. Based on the results of the analysis, it is known that there is no autocorrelation between the number of industries and workers on the value of production in small industries in Lamongan Regency.

Implementasi Algoritma Greedy Pada Pewarnaan Wilayah Kecamatan Sukodadi Lamongan Umi Maftukhah; Siti Amiroch; Mohammad Syaiful Pradana
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 6 No 2 (2020): Unisda Journal of Mathematics and Computer science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/ujmc.v6i2.2391

Graph theory can be applied in various fields of science such as transportation problems, communication networks, operations research, chemistry, cartography and so on. Graph theory does not only represent structure but in its application, a graph can also be colored. Many problems have graph coloring characteristics such as regional coloring. This regional coloring theory was applied to the map area of Sukodadi District which consists of 20 villages. In this area coloring uses the Greedy algorithm by first making a dual graph consisting of 20 vertices and 43 edges. Based on the results of regional coloring, the minimum number of colors is 4, namely red, blue, green and yellow, with each neighboring village having a different color.

Implementasi Fuzzy C-Means dan Possibilistik C-Means Pada Data Performance Mahasiswa Gadis Retno Apsari; Mohammad Syaiful Pradana; Novita Eka Chandra
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 6 No 2 (2020): Unisda Journal of Mathematics and Computer science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/ujmc.v6i2.2392

Students are the most important component in a university, especially private universities especially Universitas Islam Darul ‘ulum (Unisda) Lamongan. One of the most important roles of students for higher education is achievement. This study aims to determine the role of Fuzzy Clustering in classifying student performance data. The data includes GPA (Grade Point Average), ECCU (Extra-Curricular Credit Unit), attendance, and students' willingness to learn. So that groups of students who have the potential to have achievements can be identified. In this case, the grouping of student performance data uses Fuzzy Clustering by applying the Fuzzy C-Means (FCM) and Possibilistic C-Means (PCM) algorithms with the help of Matlab. In the FCM algorithm, the membership degree is updated so as to produce a minimum objective function value. Meanwhile, the PCM algorithm uses a T matrix, which shows the peculiarities of the data which are also based on minimizing the objective function.

Pemodelan Regresi Cox Proportional Hazard Pada Data Perceraian Haykal Abidin; Novita Eka Chandra; Mohammad Syaiful Pradana
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 6 No 2 (2020): Unisda Journal of Mathematics and Computer science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/ujmc.v6i2.2393

The purpose of this research is modeling the Cox proportional hazard regression form on divorce data in Pelaihari sub-district, Tanah Laut district, South Kalimantan province. The source of the data comes from the Court Decision in Pelaihari District, Tanah Laut Regency, South Kalimantan. The data analysis technique uses software R with the steps, namely data description, Log-Rank test, checking proportional hazard assumptions, Cox regression model parameter estimation, backward selection with AIC, the best model parameter significance test, calculating Hazard ratio and interpretation of each predictor variable. Based on the results of the analysis and discussion, it was found that for the Log-Rank test, the variable survival time for domestic violence, forced marriage, lying and stories of disgrace differed significantly. While the model that meets the criteria after iteration up to 15 times is the 15th model with the smallest AIC value and p-value <0.05 with factors that significantly influence divorce in Pelaihari sub-district based on modeling results using Cox proportional Hazard regression. are the variables of cheating, gambling, domestic violence, forced marriage, lies, jealousy and disgrace story variables

Analisis Sistem Antrian Pasien Rawat Jalan Menggunakan Distribusi Poisson dan Distribusi Erlang Siti Alfiatur Rohmaniah; Siti Masnikafah; Mohammad Syaiful Pradana
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 7 No 2 (2021): Unisda Journal of Mathematics and Computer science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/ujmc.v7i2.2768

Antrian di Puskesmas merupakan proses menunggu pasien untuk mendapat pelayanan. Fenomena antrian yang panjang dan lama terjadi pada Puskesmas Turi Kabupaten Lamongan terlebih pada saat kondisi yang ramai.Tujuan penelitian ini untuk mengetahui jumlah pelayan optimum Puskesmas Turi dalam kondisi ramai pasien. Penentuan jumlah pelayan berdasarkan tingkat kedatangan yang terwakilkan dengan Distribusi Poisson, sedangkan waktu pelayanan diwakili oleh Distribusi Erlang. Pada penelitian ini terdapat tiga fase pelayanan yaitu pendaftaran, pelayanan dokter, dan pelayanan apotek. Dalam penentuan jumlah pelayan optimal melihat dari nilai ultilitas. Hasil penelitian pada kondisi ramai pasien di Puskesmas Turi terjadi pada hari Senin dengan laju kedatangan 4 pasien per menit dan laju pelayanan selama 10 menit per pasien. Rata-rata waktu menunggu dalam antrian sebesar 0,035 menit, rata-rata waktu menunggu dalam sistem selama 0,04 menit dan rata-rata banyaknya pasien dalam antrian maupun sistem tidak ada pasien per menitnya. Nilai ultilitas yang diperoleh sebesar 0,4, sehingga jumlah pelayan pada saat kondisi ramai pasien sudah sesuai sebanyak satu pelayan.

Optimasi Biaya Pendistribusian Bibit Padi Menggunakan Metode ASM Modifikasi Muhsin Nasrul Fawa’idl; Mohammad Syaiful Pradana; Dinita Rahmalia
UJMC (Unisda Journal of Mathematics and Computer Science) Vol 8 No 1 (2022): Unisda Journal of Mathematics and Computer science
Publisher : Mathematics Department, Faculty of Mathematics and Sciences Unisda Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar

The delay in rice seed distribution activities during the Covid-19 pandemic caused rice seed distributors and agents to have difficulty meeting market needs. The purpose of this study was to determine the optimum cost of distributing rice seeds using the modified ASM method. This method replaces the dummy value with the largest reduced value which functions as an optimization of the zero number that appears in the table. This algorithm is taken from the Improved Zero Point method. Data were taken from three distributors and five agents of rice seeds in Sarirejo and Tikung sub-districts, Lamongan district. The results of this study indicate that the ASM method is able to provide optimum results for transportation problems with unbalanced data with relatively shorter steps. Abstrak Terhambatnya kegiatan distribusi bibit padi selama masa pandemi covid-19 menyebabkan para distributor dan agen bibit padi mengalami kesulitan dalam memenuhi kebutuhan pasar. Tujuan penelitian ini adalah untuk menentukan biaya optimum pada pendistribusian bibit padi menggunakan metode ASM modifikasi. Metode ini mengganti nilai dummy dengan nilai tereduksi terbesar yang berfungsi sebagai pengoptimalan angka nol yang muncul pada tabel. Algoritma ini diambil dari metode Improved Zero Point. Data diambil dari tiga distributor dan lima agen bibit padi yang terdapat di kecamatan Sarirejo dan Tikung kabupaten Lamongan. Hasil penelitian ini menunjukkan metode ASM mampu memberikan hasil yang optimum untuk masalah transportasi dengan data tak-seimbang dengan langkah yang relatif lebih singkat.

Perencanaan dan Pengendalian Persediaan Obat Terlaris Pada Apotek Zakky Minhatin Nisaatus Sholikhah; Yusnia Megasari; Mohammad Syaiful Pradana
UJMC (Unisda Journal of Mathematics and Computer Science) Vol 8 No 2 (2022): Unisda Journal of Mathematics and Computer science
Publisher : Mathematics Department, Faculty of Mathematics and Sciences Unisda Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/ujmc.v8i2.4020

This study aims to analyze the control of drug supplies at Zakky 3 pharmacies from December 2020 to January 2021. The data used are primary data and secondary data. Data collection methods used in this study are observation, interviews, and documentation. For drug procurement planning, in this study an analysis of the investment value was conducted to determine which drugs were included in groups A, B, and C. Furthermore, the Economic Order Quantity (EOQ) calculation was carried out to determine the number of economic orders, as well as the calculation of Reorder Point (ROP) for know the point of reordering drugs for the period of 2021. The results of the analysis show that in the ABC analysis of investments, 500 types of drugs are included in group A or 31% of all drugs, absorbing 78% of investment, group B with 496 types of drugs or 31% % of all drugs, absorbing 16 %% of investment. Meanwhile, group C with 612 types of drugs or 38%% of all drug item drugs only absorbed 6% of the investment. Also obtained are the results of EOQ and ROP calculations for the period of 2021. This calculation is useful for helping pharmacies in drug procurement so that there is a balance between service levels and costs.

Co-Authors Ahmad Abi Yazid Al-Bustomy Arroziq Ahmad Haris Arif Rohmatullah Aslichatul Jannah Awawin Mustana Rohmah Buyun Khulel Crisna Mulya Prabowo Dinita Rahmalia, Dinita Dyla Putri Rahmawati Ericha Dwi Ayu Prahastini Gadis Retno Apsari Hafnah Khilwatul Ilmi Haykal Abidin hudi, moh I Ketut Suada Istiqomah, Istiqomah Lutvia Muniroh M Afif Hasbullah Minhatin Nisaatus Sholikhah Mu'tasim Billah Muhsin Nasrul Fawa’idl Niken Ayu Azhari Nisaul Barokati Seliro Wangi Novita Eka Chandra, Novita Eka Nur Khofifah Nur Nensi Nurdini, Aisyah Tur Rif’atin Rifky Ardhana Kisno Saputra Saifuddin Saifuddin Samsul Huda Shofwan Ali Fauji Sholikhah, Minhatin Nisaatus Siti Alfiatur Rohmaniah Siti Alfiatur Rohmaniah Siti Amiroch, Siti Siti Masnikafah Teguh Herlambang Umi Maftukhah Vira Nanda Atikah Wangi, Nisaul Barokati Seliro Yusnia Megasari

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