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All Journal Jurnal Pendidikan Matematika Jurnal Fourier AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika EDU-MAT: Jurnal Pendidikan Matematika JURNAL SILOGISME : Kajian Ilmu Matematika dan Pembelajarannya EDUPEDIA JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Imajiner: Jurnal Matematika dan Pendidikan Matematika Jurnal Ilmiah Matematika Bulletin of Applied Mathematics and Mathematics Education Euclid Jurnal Riset Sistem dan Teknologi Informasi Teknomatika: Jurnal Informatika dan Komputer

Julan Hernadi

Universitas Ahmad Dahlan

Author-ID : 280722

Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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THE EFFECT OF MIND MAPPING LEARNING MODEL AND CONTEXTUAL TEACHING AND LEARNING (CTL) TO CONCEPT UNDERSTANDING STUDENTS AT SMP NEGERI 1 PULUNG Dhika Jeviana; Julan Hernadi
EDUPEDIA Vol 1, No 1 (2017): Oktober
Publisher : Universitas Muhammadiyah Ponorogo

This research aims to know: (1) the effect of Mind Mapping learning model to the concept understanding students (2) the effect of Contextual Teaching and Learning model to concept understanding students (3) which is better between of Mind Mapping Learning Model and Contextual Teaching and LearningModel to concept understanding students.This research a quasi-experimental research with population covering all seventh grade students of SMP Negeri 1 Pulung that is consisted of five classes. From five classes, classes VIIC and VIIE were randomly choosen as the sample. Then two classes were taken randomly to determine the type of treatment to be given. Class VIIC was taught by using the Mind Mapping Learning Model and class VIIE was taught by Contextual Teaching and Learning Model. The data collection techniques were a test while the instrument used to collect understanding concept test.The data collection techniques to know is there any understanding concept students is given of treatment Mind Mapping Learning Model betterthan understanding concept students is given of treatment Contextual Teaching and Learning Model by t-test.The result show that at the significance level of 0.05, concept understanding students more taught by using the Mind Mapping Learning Model was better than Contextual Teaching and Learning Model.

ANALISIS PENERAPAN TEKNIK BRAINSTORMING TERHADAP KEMAMPUAN BERPIKIR KREATIF DAN BERPIKIR KRITIS SISWA PADA PEMBELAJARAN MATEMATIKA Zullinar Rifcha Wahyu Widiana; Julan Hernadi
EDUPEDIA Vol 2, No 2 (2018): Oktober
Publisher : Universitas Muhammadiyah Ponorogo

Penelitian ini bertujuan untuk: (1) menganalisis teknik brainstorming terhadap peningkatan keberanian berpendapat siswa. (2) mendeskripsikan peningkatkan kemampuan berpikir kreatif dan berpikir kritis siswa melalui teknik brainstorming. Penelitian ini merupakan penelitian deskriptif kualitatif dengan populasi seluruh siswa kelas VIII SMP Negeri 5 Ponorogo yang terdiri dari sepuluh kelas dan diambil kelas VIII F sebagai sampel. Pemilihan sampel ini dipertimbangkan dari segi kognitif baik, tetapi keberanian berpendapatnya masih rendah. Teknik analisis data untuk mengetahui ketercapaian teknik brainstorming ditinjau dari hasil observasi guru, observasi siswa dan pemahaman siswa. Sedangkan untuk menganalisis peningkatkan kemampuan berpikir kreatif dan berpikir kritis siswa ditinjau dari aspek sikap berdasarkan kuesioner dan indikator berdasarkan tes. Hasil penelitian menunjukkan bahwa ketercapaian teknik brainstorming mencapai kriteria baik sekali, yaitu 82,63%. Hal ini menunjukkan bahwa keberanian siswa berpendapat juga meningkat. Selain itu, teknik brainstorming juga dapat meningkatkan kemampuan berpikir kreatif dan berpikir kritis siswa berdasarkan aspek sikap dan indikator yang ada. Aspek sikap kemampuan berpikir kreatif yang meningkat adalah kebebasan berpendapat, sikap imajinatif, rasa ingin tahu dan sikap mengajukan pertanyaan yang relevan, sedangkan aspek lainnya belum ada peningkatan. Indikator kemampuan berpikir kreatif yang meningkatkan adalah orisinalitas gagasan, kelancaran dan elaborasi, sedangkan indikator lainnya belum ada peningkatan. Aspek sikap kemampuan berpikir kritis yang meningkat adalah kejelasan, relevan, logis, dan detail/lengkap, sedangkan aspek lainnya belum ada peningkatan. Indikator kemampuan berpikir kritis yang meningkatkan adalah mengidentifikasi data relevan dan tidak relevan suatu permasalahan, mengidentifikasi asumsi dan menyusun penyelesaian permasalahan disertai alasan, sedangkan indikator lainnya belum ada peningkatan.

ITERASI FUNGSI KUADRAT KOMPLEKS DAN KONSTRUKSI HIMPUNAN JULIA Azizah Fattu Rohmah; Julan Hernadi
EDUPEDIA Vol 4, No 1 (2020): April
Publisher : Universitas Muhammadiyah Ponorogo

This research aims to: (1) study and explain the definition of the Julia set, (2) study and explain the characteristics of the Julia set, (3) construct and visualize the Julia set in computer. This research is a qualitative descriptive research in the form of literature study. The method used in this research is examine various scientific literatures such as books and scientific journals about the definition, characteristics, and the method of constructing and visualizing Julia's set. The main reference of this research is the book Fractal Geometry Mathematical Foundations and Applications edition by Kenneth Falconer (2003). The results of this research are as follows: (1) the Julia set is the boundary of filled- in Julia sets, which is the set of points where in every neighbourhood of there are points and with and ; (2) there are two characteristics of Julia set based on parameters , namely Julia set in a totally disconnected curve and Julia set in a simple closed curve ; (3) the steps in constructing the Julia set are to take the function of the Julia set, choose the value, determine the number of iterations to be performed, do the calculations according to the iteration that has been determined, then visualize. In visualizing the Julia set, it is needed computer application assistance, one of which is Matlab, so that the results for the Julia set can be modeled in an interesting form. Keywords: Complex Quadratic Functions; Julia Set; Iteration

KONSISTENSI AKSIOMA-AKSIOMA TERHADAP ISTILAH-ISTILAH TAKTERDEFINISI GEOMETRI HIPERBOLIK PADA MODEL PIRINGAN POINCARE Febriyana Putra Pratama; Julan Hernadi
EDUPEDIA Vol 2, No 2 (2018): Oktober
Publisher : Universitas Muhammadiyah Ponorogo

This research aims to know the interpretation the undefined terms on Hyperbolic geometry and it’s consistence with respect to own axioms of Poincare disk model. This research is a literature study that discusses about Hyperbolic geometry. This study refers to books of Foundation of Geometry second edition by Gerard A. Venema (2012), Euclidean and Non Euclidean Geometry (Development and History) by Greenberg (1994), Geometry : Euclid and Beyond by Hartshorne (2000) and Euclidean Geometry: A First Course by M. Solomonovich (2010). The steps taken in the study are: (1) reviewing the various references on the topic of Hyperbolic geometry. (2) representing the definitions and theorems on which the Hyperbolic geometry is based. (3) prepare all materials that have been collected in coherence to facilitate the reader in understanding it. This research succeeded in interpret the undefined terms of Hyperbolic geometry on Poincare disk model. The point is coincide point in the Euclid on circle . Then the point onl γ is not an Euclid point. That point interprets the point on infinity. Lines are categoried in two types. The first type is any open diameters of . The second type is any open arcs of circle. Half-plane in Poincare disk model is formed by Poincare line which divides Poincare field into two parts. The angle in this model is interpreted the same as the angle in Euclid geometry. The distance is interpreted in Poincare disk model defined by the cross-ratio as follows. The definition of distance from to is , where is cross-ratio defined by . Finally the study also is able to show that axioms of Hyperbolic geometry on the Poincare disk model consistent with respect to associated undefined terms.

Co-Authors Anju Fauziah Azizah Fattu Rohmah Dhika Jeviana Fadhilah Afwiyah Fauziah, Anju Febriyana Putra Pratama Fuad Arianto Joko Eliyanto Purwadi, Joko Ramadhan, Fauzi Ria Rahayu Siti Nur Azizah Sri Wahyuningsih Suryantoro, M. Danang Widiarti, Arisma Yopanika Naurosa Khusnayani Zullinar Rifcha Wahyu Widiana

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