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Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika

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Published by Universitas Dr. Soetomo Surabaya

ISSN : 23379421 EISSN : 25811290 DOI : -

Core Subject : Education,

Education Mathematics

urnal SOULMATH berisi tulisan yang berasal dari hasil penelitian, kajian, atau karya ilmiah di bidang Pendidikan Matematika. Terbit dua kali setahun yaitu Maret dan Oktober. Artikel yang masuk akan direview oleh reviewer yang berkompeten di bidangnya.

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Articles 100 Documents

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Super Edge Antimagic Total Labeling On Disjoint Union Of Cycle With Chord Listiana, Yuni
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 5 No 2 (2017)
Publisher : Universitas Dr. Soetomo

A graph with order and size is called -edge antimagic total ( -EAT) if there exist integers , and a bijection such that , where . An -EAT labeling of graph is super if . In this paper we describe how to construct a super -EAT labeling on some classes of disjoint union from non isomorphic graphs, namely disjoint union of cycle with cycle with chord . Keywords: -edge-antimagictotallabeling,super -edgeantimagictotalla- belling, cycle with chord,

PENERAPAN LOGIKA FUZZY DALAM OPTIMASI PRODUKSI BARANG MENGGUNAKAN METODE MAMDANI Priyo, Wahyu Toto
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 5 No 1 (2017)
Publisher : Universitas Dr. Soetomo

Developement and revolution of the era are always followed by the development of technology and sciences. Along with the development of the era, it will be found various problems in various aspects of life, including in the field of industry. Often companies experience obstacles in meeting the number of requests from consumers, or even the amount of inventory of many goods. From these problems required an appropriate solution for production problems can be resolved. In this research, we will apply Fuzzy Logic as one of alternative solution of goods production problem, that is by using Mamdani method, with the quantity of demand and inventory of goods as input variable and quantity of goods produced as output variable. Then followed by 4 stages, namely: (a) Formation of fuzzy set by fuzzification process, (b) Application of implication function, (c) Composition of rules with maximum method, (d) Process defuzzification with centroid method that will result outout amount of goods which must be produced by the company. From the results of the analysis that has been done, by entering the input variables the number of requests amounted to 54,900 units and the amount of inventory amounted to 4060 units produce output production amounted to 46,600 units. Keywords: Fuzzy Logic, Mamdani methode, goods production

KEMAMPUAN METAKOGNISI MAHASISWA DALAM MENYELESAIKAN SOAL-SOAL PERSAMAAN DIFFERENSIAL BIASA
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 3 No 4 (2015)
Publisher : Universitas Dr. Soetomo

The process of thinking in problem solving is an important thing to get the attention of educators , especially to assist learners in order to develop a better ability to solve problems in the real-world context and in the context of mathematics . This is in line with the opinion Lester ( in Gartman and Freiberg , 1993) that the main purpose of teaching problem solving in mathematics is not just to equip learners with a set of skills or processes, but rather to enable learners to think for himself. The objective of this study was to describe the student metacognitive level in solving problems of ordinary differential equations. These objectives can be revealed if observed in terms of the process. So that the procedure produces descriptive data in the form of words, written or oral obtained from research subjects. For the purposes of in-depth information that can reveal metacognitive level students, it is necessary informant as much as 3 students selected for an interview based on the ranking score of the mathematics of the test results. Preparation of the rankings are divided into three categories, namely one each student with math scored high, medium, and low. The score category classification using the method of determining the position of the student with a standard deviation based on the reference

IMPLEMENTASI ALGORITMA MODIFIKASI BROYDEN-FLETCHER-GOLDFARB-SHANNO (MBFGS)
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 4 No 5 (2016)
Publisher : Universitas Dr. Soetomo

The concept of minimum resolving set has proved to be useful and or related to a variety of fields such as Chemistry, Robotic Navigation, and Combinatorial Search and Optimization. Two graph are path graph (????????) anf circle graph (????????). The corona product ???????? ⨀???????? is defined as the graph obtained from ????????and ???????? by taking one copi of ???????? and ????1copies of ???????? and joining by an edge each vertex from the ????????ℎ copy of ???????? with the ????????ℎ vertex of ????????. ???????? ⨀ ???????? and ????????⨀???????? not commute to ????≠????, it is showed that order of graph ???????? ⨀ ???????? different with graph ????????⨀????????. Based on research obtained ????????????(????????⨀????????)=????.????????????(????1,????) dan ????????????(????????⨀????????)=????.???????????? (????1+????????)Keyword : Resolving Sets, Metric Dimension, Path Graph, Circle Graph, Corona Graph

APLIKASI METODE TRANSPORTASI DALAM OPTIMASI BIAYA DISTRIBUSI BERAS SEJAHTERA PADA PERUM BULOG SUB-DIVRE SIDOARJO Azizah, Nuril Lutvi; Suryawinata, Mohammad
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 6 No 1 (2018)
Publisher : Universitas Dr. Soetomo

Transportation method is a method used to manage the distribution of sources that provide the same product, to places that require optimally so that the cost of distribution issued is minimal. This method can be used to determine the most effective allocation of goods from a source to a destination at the most possible optimal cost. This research was conducted on Bulog Divre of East Java with Case Study of Bulog Sub-Divre Sidoarjo for several rice distributions located in the district in Sidoarjo. The aims of this research is to determine whether the Transportation Method can provide an efficient solution of costs on the distribution of prosperous rice in the region of Sidoarjo. The method used in this research is VAM (Vogel’s Aprroximation Method) method used to analyze the initial fiscal solution, and enhanced by MODI (Modified Distribution Method) method to analyze the most optimal cost. From the calculation by transportation method, it is found that the optimum cost is lower than the calculation of the company, where the cost obtained by transportation method is Rp.85.186.035,750,- while the cost of the company calculation is Rp.87.209.690,750. Thus the use of transportation methods can save RASKIN distribution costs of Rp.2.023.655,000, -.

Penggunaan Pendekatan CTL (Contextual Teaching And Learning) Dalam Meningkatkan Hasil Belajar Matematika Dalam Materi Aljabar Pada Siswa Kelas VIIB Di MTs Negeri 1 Kota Surabaya Wilujeng, Dita Wahyu; Prastiwi, Lusiana; Huda, Nuril
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 5 No 2 (2017)
Publisher : Universitas Dr. Soetomo

The result of study of student of class VII B in MTs Negeri 1 Kota Surabaya on the subject of wake up flat in academic year 2017/2018 after analyzed have low result, this is allegedly because approach of learning at that time not yet right, hence in this class research used approach of learning Contex Teaching and Learning (CTL), which emphasizes the concept of learning that helps teachers connect between the material they teach and the students' real-world situations and encourages students to make connections between their knowledge and application in daily life. The problem to be discussed is whether the learning of mathematics with CTL approach on the subject of wake up flat can improve student learning outcomes of class VII B in MTs Negeri 1 Kota Surabaya? While the purpose of this research is to find out the improvement of student learning outcomes on the subject of flat wake with CTL approach. The location of the research was conducted at MTs Negeri 1 Kota Surabaya, Medokan Semampir Sub-district, East Java. The subjects of this research are the students of class VII B MTs Negeri 1 Kota Surabaya, teacher of grade VII B SD and observer. The study is divided into 2 cycles, each cycle consisting of planning, implementation, observation and reflection. While the indicator of the success of this class action research is achieved if the students have a grade average of at least 75 and mastery learning classes above 75%. In the first cycle students achieve a grade point average of at least 69.87, while the learning mastery is 47.37%. Cycle II reaches the average grade value of 78.16 and the learning completeness is 60.53%. Based on the results of student learning above can be concluded that learning with CTL approach can improve student learning outcomes of class VII B in MTs Negeri 1 Kota Suarabaya on the subject of algebra, so it is recommended that in teaching on the subject of algebra teachers using CTL approach Keywords: Contex Teaching and Learning (CTL), learning outcomes, operation of algebraic forms

DESKRIPSI KEMAMPUAN SPASIAL SISWA SMP DITINJAU BERDASARKAN PERBEDAAN GENDER DAN KEMAMPUAN MATEMATIKA Sucipto, Sucipto
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 5 No 1 (2017)
Publisher : Universitas Dr. Soetomo

Spatial ability is closely related to the learning of geometry, such as helping students in solving geometry problems. This descriptive qualitative research aims to find out the profile of spatial ability of students in solving geometry problems in accordance with spatial ability indicator that has been prepared that is spatial perception, spatial visualization, mental rotation, spatial relation, and spatial orientation reviewed based on gender differences and students with math skills.The subjects of this study were 6 people consisting of 3 men with high, moderate, and low ability level and 3 women with high, moderate and low ability level. The determination of the subject is done by giving a math test. Instrument in the research is a test of math ability, spatial ability test, and interview guidance. Subjects were given spatial ability tests and interviews to obtain data and then analyzed the data collected. Based on the results of the analysis, it is found that high-ability male students and high-ability female students have relatively equal ability. Furthermore for the capable male students having all the spatial abilities. While female students are capable of not having the ability to spatially rotate the mind (mental rotation). Keywords: Spatial ability, gender, mathematics ability.

EFEKTIVITAS PENGGUNAAN METODE PEMBELAJARAN COURSE REVIEW HORAY BERBANTUAN ALAT PERAGA TERHADAP MINAT DAN HASIL BELAJAR SISWA KELAS II SMP DR. SOETOMO SURABAYA MATERI KESEBANGUNAN DAN KEKONGRUENAN
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 3 No 4 (2015)
Publisher : Universitas Dr. Soetomo

The purpose of this study was to determine the mistakes made and the difficulties experienced by students Autism class V SDN Inclusion Mojo III Surabaya. Besides, the purpose of this study also want to know the causes and solution . From the analysis of the data obtained the following conclusion: The percentage of errors made autistic student class V SDN Mojo III Surabaya in solving mathematical word problems on the subject of the Commission and the FPB Based on the analysis of the test results , the proportion of students' mistakes in solving math story that is 33 , 3 % misconception , 25 % fault Procedure 41.7 % technical error . From the percentage shown that a large proportion of most errors are technical errors. The percentage of the difficulties experienced by children with autism , a class V SDN mojo III Surabaya in doing math story problems is 33.3 % of students with autism have difficulty dyslexia, 33.3 % of students with autism have difficulty dysgraphia, and 33.3 % of students with autism have difficulty dyscalculia

PENERAPAN METODE JALUR KRITIS ATAU CRITICAL PATH METHOD (CPM) PENENTUAN WAKTU OPTIMAL DALAM PROSES PEMBUATAN KERAJINAN TENUN IKAT TRADISIONAL KUPANG NTT
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 4 No 5 (2016)
Publisher : Universitas Dr. Soetomo

East Nusa Tenggara Province is known to have many traditional woven craft, one that is well known by the public is Kupang Ikat woven. Enterprises weaving is still managed traditionally built with familial management and expertise only found in hereditary. In addition, to determine the timing of production of Kupang ikat woven still using forecasting as a guide. The forecasting results in the absence of standard production time. One method that can be used for determining the optimal time is the critical path method (CPM). This method is part of a network methods oriented work on determining the time schedule and estimate deterministic (certain). Research shows that the production time ikat Kupang woven is 20 days.Keyword : CPM, network, ikat Kupang woven

KLASTERING SUARA BERDASARKAN GENDER MENGGUNAKAN ALGORITMA K-MEANS DARI HASIL EKSTRAKSI FFT (Fast Fourier Transform) Izzah, Nailul
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 6 No 1 (2018)
Publisher : Universitas Dr. Soetomo

Speech recognition process is kind of applied Technique of digital sign process that is widely used for many applications, for example technology in the field of telecommunications which isn't only able to provide for serving for sending text data but also it can serve for sending data using sound. From technology development of signal process emerges new idea to make application program by creating new sofware to display sound signal characteristic based on frequency and highest magnitude. Clustering is part of pattern recognition science which is made for system that can perform into a groups. In this research, the researcher will distinguish between male voice or female voice. Mechanism process uses Collecting voice samples, then the feature extraction using FFT that produce two main features that is maximum value of frequency and maximun value of magnitude. After that, k-means alogarithm process is used for grouping voice of male clusteror female cluster. The result of this research uses 20 training data and 20 testing data that will produce 75% level of accuracy for training data and 100% for testing data.

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