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All Journal Cakrawala Pendidikan Indonesian Journal of Educational Studies Jurnal Sains Dasar Eksergi: Jurnal Teknik Energi Seminar Nasional Hasil Penelitian LP2M UNM Jurnal Pedagogi Matematika

Sahid Sahid

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Author-ID : 368406

Religion Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

Published : 8 Documents Claim Missing Document

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Articles

APLIKASI PERSAMAAN D1FERENSIAL DALAM EKONOMI Muhammad Fauzan; Sugiman Sugiman; Sahid Sahid
Jurnal Cakrawala Pendidikan CAKRAWALA PENDIDIKAN, EDISI 2,1993,TH.XIII
Publisher : LPMPP Universitas Negeri Yogyakarta

Persamaan diterensial merupakan bagian dari Matematikayang termasuk dalam cabang Matematika Terapan.Sebagai suatu ilmu, Persamaan Dilerensial mempunyai irnplikasiyang cukup banyak untuk bidang ilmu lainnya, di antaraoyaFisika, Biologi, Elektro, dan Ekonomi.Dalam bidang Ekonomi, Persamaan Diferensial dapatdigunakan untuk menentukan harga kesetimba!:gan. Ini dapatdiJakukan dengan terlebih dahulu membenA.\tk model matematikadari permasalahan yang \da y~mg menyangkut: penawaran,permintaan, harga dan persediaan barang. Selanjutnya,dengan menyelesaikan model matematika yang telah disusun,diperoleh ha17ga kesetimbang:annya.

PENYUSUNAN JADUAL DI PERGURUAN TINGGI DENGAN TEKNIK-TEKNIK OPERATIONS RESEARCH Sahid Sahid
Jurnal Cakrawala Pendidikan CAKRAWALA PENDIDIKAN, EDISI 3,1997,TH.XVI
Publisher : LPMPP Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/cp.v3i3.9135

Masalah penyusunan jadual merupakan masalah administratif rutin yangdihadapi oleh setiap perguruan tinggi. Masalah ini merupakan salah satu conroh darimasalah penjadualan secara umum. Pennasalahan tersebut memiliki berbagai variasibrena setiap instansi pendidikan memiliki kebijakan lersendiri terhadap masalahpenyusunan jadual, dan masing-masing mungkin mempenimbangkan kendala-kendalayang berbeda.Berbagai model dan pendekatan untuk masalah penyusunan jadual telahdikembangkan. Kajian leoritis menunjukkan bahwa masalah penyusunan jadualtennasuk dalam kelas masalah NP lengkap sehingga tidak ada algoritma polinomialuntuk menyelsaikan masalah tenebut. Berbagai metode, termasuk merode-metodeheuristiks telah dikembangkan oleh para penelili guna menangani suatu masalahtenentu.Implementasi suatu melode untuk penyusunan jadual di suatu perguruan tinggimemerlukan kesadaran pihak pengambil keputusan akan pentingnya optimisasi dalambidang manajemen pendidikan. Pengkajian yang lebih mendalam juga diperlukan untukmenerapbn suatu tehik Opemlionr Research dalam proses penyusunan jadualkuliahlujian, sehingga sesuai dengan kondisi setempal.

MATHEMATIC MODEL FOR SITY BUS SCHEDULING IN YOGYAKARTA Sahid Sahid; Fitriana Yuli S; Dwi Lestari
Jurnal Sains Dasar Vol 4, No 2 (2015): October 2015
Publisher : Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta

Various methods can be used to construct a mathematical model of the transportation problems. One model that can be used is a linear model. Several studies have used a linear model to get the schedule and the optimal route of bus trips. This research will build a mathematical model of a city bus transportation problems in DIY using linear models. Linear model is built to get the condition density city bus passengers on shifts respectively that morning, noon, and evening. After finding a suitable model, applied to the bus passengers data in Yogyakarta. From these results it can be seen the optimum conditions in terms of density, because the condition of the city bus at this time that quiet enthusiasts. Besides, the optimum density at each shift in the morning is 11 passengers, 10 passengers during the day, and evening 9 passengers. Keywords: transportation problems, the linear model, the optimal route, density

RANCANG BANGUN TURBIN PELTON DARI PIPA PVC UNTUK PEMBANGKIT LISTRIK TENAGA MIKROHIDRO GUNA PENERANGAN WISATA AIR TERJUN DI DESA GOGIK Sahid Sahid; Denny Surindra; Ani Ramadanti; Arifin Prabowo; Muhamad Afrizal; Ronaldo Dikky
Eksergi Vol 16, No 1 (2020): JANUARI 2020
Publisher : Politeknik Negeri Semarang

Desa Gogik terdapat tempat wisata air terjun yang mengalami kesulitan infrastruktur pembangunan sistem kelistrikan pada penerangan jalan. Tujuan tugas akhir adalah Membuat turbin pelton dari pipa PVC berdasarkan potensi yang ada. Mengkaji secara eksperimental kinerja PLTMH untuk pengisian aki. Pengujian efisiensi dilakukan tiga kali yaitu dengan variasi beban dengan beberapa debit konstan. Hasil dari pengujian yaitu penggunaan PLTMH turbin pelton dari pipa PVC. Nilai efisiensi tertinggi pada debit 0,0020419 m3 /s yaitu sebesar 20,73%, pada debit 0,0024892 m3 /s yaitu sebesar 69,61% dan pada debit 0,0029339 m3 /s yaitu sebesar 91,88% . Hal ini membuktikan bahwa turbin pelton ini paling cocok dioperasikan pada debit 0,0029339 m3 /s. Energi yang disimpan di dalam aki sebesar 1.236 VAH sedangkan kebutuhan energi di Desa Gogik sebesar 640 VAH, maka energi tersisa sebesar 596 VAH,untuk penambahan lampu jalan pada dua titik sebesar 520 VAH jadi energi yang tersisa adalah 76 VAH.

RANCANG BANGUN PROTOTYPE PEMBANGKIT TURBIN ANGIN SKALA MIKRO TIPE HORIZONTAL DOUBLE MULTIFLAT BLADE DENGAN VARIASI JUMLAH SUDU Sahid Sahid; Budhi Prasetyo; Ulya M.S; Yoga E.H.; Afrida H. R; Muhammad A.S.
Eksergi Vol 16, No 2 (2020): MEI 2020
Publisher : Politeknik Negeri Semarang

Kelebihan dari turbin angin poros horizontal yaitu efisiensinya lebih tinggi dibanding turbin angin poros vertikal karena sudu selalu bergerak lurus terhadap arah angin dan menerima daya sepanjang putaran. Tujuan dari tugas akhir ini dibuat untuk mengembangkan tugas akhir tahun 2018 dengan memvariasikan jumlah sudu yaitu 9, 12, dan 15 dan membandingkan kinerja turbin angin dengan menggunakan variasi kecepatan angin. Metode yang digunakan yaitu dengan melakukan tahap penelitian berupa merancang, membuat, dan merakit turbin angin. Turbin angin memiliki dimensi panjang sudu sebesar 650 mm, lebar sisi masuk 60 mm, dan lebar sisi keluar 80 mm. Sedangkan hub memiliki diameter 68,8 mm dan tinggi kerangka 1,5 m. Variabel penelitian meliputi variasi jumlah sudu yaitu 9 buah, 12 buah, dan 15 buah. Data dari hasil pengujian ini kemudian dibuat tabel dan dibandingkan dengan menganalisa grafik karakteristik putaran dan efisiensi. Tahap akhir dari pengujian ini yaitu untuk mendapatkan efisiensi sistem terbaik dengan variabel yang digunakan. Nilai efisiensi pada sudu 9 yaitu sebesar 1,41% pada kecepatan angin 5,15 m/s, pada sudu 12 yaitu sebesar 2,59% pada kecepatan angin 5,58 m/s, dan pada sudu 15 yaitu sebesar 2,68% pada kecepatan angin 5,7 m/s

KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA DENGAN MEMPERHATIKAN KEMAMPUAN AWAL DAN GAYA KOGNITIF Suradi Suradi; Sahid Sahid
Indonesian Journal of Educational Studies Vol 18, No 2 (2015)
Publisher : Universitas Negeri Makassar

The aims of this qualitatively descriptive study are to describe the students’ capability in solving mathematics problems which focused on the initial capability and cognitive one. There are three instruments used in this research: (1) initial capability test, (2) GEFT test, and (3) Problem Solving Ability Test. The result of this research is students’ ability in problem solving bases on Polya Problem Solving Indicator: (1) understanding problems, (2) planning for solution (3) solving the problems, (4) recheck the result which has been gained

Perbedaan kecerdasan emosional dan hasil belajar Kalkulus Mahasiswa Jurusan Kimia ditinjau dari jalur masuk Sutamrin Sutamrin; Sahid Sahid
Seminar Nasional LP2M UNM Prosiding Edisi 6
Publisher : Seminar Nasional LP2M UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (508.471 KB)

This research is a study that aims to determine the differences in emotional intelligence and student learning outcomes which are viewed from the student entrance path, namely the SNMPTN, SBMPTN and Mandiri pathways. To reach the target of the study, 2 instruments were used, namely 1) an instrument to measure emotional intelligence in the form of a questionnaire, 2) an instrument for measuring student calculus learning outcomes. The population in this study were students majoring in Chemistry FMIPA UNM Makassar 2018/2019 academic year. While the samples in the study were students majoring in chemistry who programed the calculus courses of class A and B of Chemical Education Study Program. The data analysis technique used is inferential statistical analysis using ANOVA test. The results of this study obtained F-count = 1.94 <FTabel = 3.129 for the learning outcomes test and F-count = 0.26 <FTabel = 3.129 for emotional intelligence. This means that the variables of emotional intelligence and student calculus learning outcomes are not significantly different from students who enter through the SNMPTN, SBMPTN and Mandiri pathways.

THE EFFECTIVENESS OF MATHEMATICS LEARNING WITH SCIENTIFIC APPROACH THROUGH THE COOPERATIVE MODEL OF TYPE NUMBERED HEADS TOGETHER IN TERMS OF STUDENT ACHIEVEMENT OF GRADE X SMA NEGERI 1 KALASAN Hildegardis Mulu Hildegardis Mulu; Sahid Sahid
Jurnal Pedagogi Matematika Vol 5, No 1 (2016): Jurnal Pendidikan Matematika
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpm.v5i1.679

The purposes of this research were to know the effectiveness of mathematics learning with scientificapproach through the cooperative model of type numbered heads together (NHT) in terms of student achievement,the effectiveness of mathematics learning with scientific approach in terms of student achievement, and to knowwhich one was more effective between mathematics learning with scientific approach through the cooperativemodel of type NHT and with scientific approach without NHT in terms of student achievement. This research usedquasi-experimental with pre-test and post-test control group design. Its population was all students of grade X SMANegeri 1 Kalasan. The samples were class X MIA 2 as experiment class which given scientific approach throughthe cooperative model of type NHT and class X MIA 1 as control class which given scientific approach. Theinstruments used in this research were learning instrument, i.e. lesson plan and student worksheet, pre-test and posttest as test instrument to measure student achievement, and observation sheets as non-test instrument. Thehypotheses testing used were one sample t-test and independent sample t-test. The results indicated thatmathematics learning with scientific approach through the cooperative model of type NHT was effective in termsof student achievement. Mathematics learning with scientific approach was also effective in terms of studentachievement. But, the post-test result means between the two classes were not significantly different. So, themathematics learning with scientific approach through the cooperative model of type NHT was not more effectivethan mathematics learning with scientific approach without NHT in terms of student achievement.

Co-Authors Afrida H. R Ani Ramadanti Arifin Prabowo Budhi Prasetyo Denny Surindra Dwi Lestari Fitriana Yuli S Hildegardis Mulu Hildegardis Mulu Muhamad Afrizal Muhammad A.S. Muhammad Fauzan Ronaldo Dikky Sugiman Sugiman Suradi Suradi Sutamrin Sutamrin Ulya M.S Yoga E.H.

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