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All Journal Jurnal Pendidikan Matematika Jurnal Pendidikan Matematika dan IPA Tadris: Jurnal keguruan dan Ilmu Tarbiyah AL-TA´LIM JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Indonesian Journal of Science and Technology Al-Jabar : Jurnal Pendidikan Matematika JMPM: Jurnal Matematika dan Pendidikan Matematika PRISMA Desimal: Jurnal Matematika MUST: Journal of Mathematics Education, Science and Technology Triple S (Journals of Mathematics Education) International Journal of Supply Chain Management Jurnal Pengabdian Magister Pendidikan IPA Al-Ta'lim Transformasi : Jurnal Pendidikan Matematika dan Matematika International Journal of Applied Mathematics, Sciences, and Technology for National Defense
Muhamad Syazali
Universitas Pertahanan
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Physics Social Sciences Transportation

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Journal : Desimal: Jurnal Matematika

 1 
Media Belajar Matematika Berbasis Multimedia Interaktif dengan Pendekatan Contextual Teaching and Learning Syazali, Muhamad; Siamy, Lailatul; Farida, Farida
Desimal: Jurnal Matematika Vol 1, No 1 (2018): Desimal: Jurnal Matematika
Publisher : UIN Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (680.205 KB) | DOI: 10.24042/djm.v1i1.1919

Abstract

The purpose of this study is to determine the response of students and the experts to multimedia-based interactive learning media with the approach of contextual teaching and learning (CTL) on wake-up space that has been developed. The method used in this research is 7 stages from 10 stages of development and development method from Borg and Gall which have been modified by sugiyono. The 7 stages are potential and problems, data collection, product design, product validation, design improvement, product testing and product revision. The instrument of data collection used is questionnaire of student response and material expert validation. Based on data analysis obtained from material experts and media experts stated that interactive multimedia-based learning media with contextual teaching and learning approach (CTL) is feasible to use, and data analysis obtained from students stated that interactive multimedia is very good. This means that interactive multimedia developed by researchers can be used as a learning resource for students of SMP / MTs class VIII
Media Belajar Matematika Berbasis Multimedia Interaktif dengan Pendekatan Contextual Teaching and Learning Lailatul Siamy; Farida Farida; Muhamad Syazali
Desimal: Jurnal Matematika Vol 1, No 1 (2018): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (61.514 KB) | DOI: 10.24042/djm.v1i1.1919

Abstract

The purpose of this study is to determine the response of students and the experts to multimedia-based interactive learning media with the approach of contextual teaching and learning (CTL) on wake-up space that has been developed. The method used in this research is 7 stages from 10 stages of development and development method from Borg and Gall which have been modified by sugiyono. The 7 stages are potential and problems, data collection, product design, product validation, design improvement, product testing and product revision. The instrument of data collection used is questionnaire of student response and material expert validation. Based on data analysis obtained from material experts and media experts stated that interactive multimedia-based learning media with contextual teaching and learning approach (CTL) is feasible to use, and data analysis obtained from students stated that interactive multimedia is very good. This means that interactive multimedia developed by researchers can be used as a learning resource for students of SMP / MTs class VIII
Curiosity and creative characters: The impact on students' numerical ability Yasinta Rahmawati; Kenny Candra Pradana; Novalia Novalia; Achi Rinaldi; Muhamad Syazali
Desimal: Jurnal Matematika Vol 4, No 2 (2021): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (457.75 KB) | DOI: 10.24042/djm.v4i2.10182

Abstract

The study aims to determine the numerical ability improvement in terms of curiosity and creative character education. The study employs the descriptive quantitative method with survey techniques. The cluster random sampling technique selected 120 students from SMP Islam El-Syihab and MTSN 1 Bandar Lampung. Three classes were chosen from each school which consisted of the seventh, eighth, and ninth grades. Each class consisted of twenty students as the respondents. The analysis technique used was the multiple linear regression to investigate the effect of curiosity and creative characters on students' numerical abilities. The results showed that the curiosity character had a more significant influence on students’ numerical abilities (0.870 or 87%) than the creative character (0,294 or 29%).
Daily Profit Analysis: Daily Productivity Scheduling with Multiple Linear Regression Fredi Ganda Putra; Muhamad Syazali
Desimal: Jurnal Matematika Vol 3, No 3 (2020): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (334.551 KB) | DOI: 10.24042/djm.v3i3.11451

Abstract

The purpose of this study was to see which day factors (Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday) had the greatest impact on the net income of a store. The method used is a quantitative method using multiple linear analysis. The results show that Monday is the most influential on profits
Fungsi Zeta Riemann Genap Menggunakan Bilangan Bernoulli Ikhsan Maulidi; Vina Apriliani; Muhamad Syazali
Desimal: Jurnal Matematika Vol 2, No 1 (2019): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (123.365 KB) | DOI: 10.24042/djm.v2i1.3589

Abstract

In this article, we study about the value of Riemann Zeta Function for even numbers using Bernoulli number. First, we give some basic theory about Bernoulli number and Riemann Zeta function. The method that used in this research was literature study. From our analysis, we have a theorem to evaluate the value of Riemann Zeta function for the even numbers with its proving.
SAVI and DLPS learning models on mathematical problem solving Muhamad Syazali; Kiki Afandi; Rahmi Ramadhani
Desimal: Jurnal Matematika Vol 5, No 1 (2022): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.169 KB) | DOI: 10.24042/djm.v5i1.12810

Abstract

Problem-solving ability is an skills related to mathematical characteristics which instructors need to encourage educators to be able to solve problems. This process certainly uses the right learning model to reach the target in accordance with the curriculum. This study aims to compare the influence of Somatic, Auditory, Visualization, and Intellectually (SAVI) and Double-loop Problem-solving (DLPS) methods in influencing mathematical problem solving skills. This study uses quantitative types with data analysis techniques using the T test. The results of this study are that there is an average value in the SAVI learning model of 77.7 while the average value of the DLPS learning model is 77.3. The conclusion can be drawn that the SAVI and DLPS learning models have the same effect on problem solving skills. 
The optimal portfolio of islamic stocks using the markowitz and black-litterman models Irfani Azis; Muhamad Syazali; Elise Nathalia Manurung
Desimal: Jurnal Matematika Vol 6, No 1 (2023): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v6i1.14499

Abstract

The portfolio with the best combination of profit and risk or the investor's choice is called the optimal portfolio. The Black-Litterman and Markowitz models were used to determine the optimal portfolio during the covid-19 pandemic. Sharia stock data, that is consistent with the Jakarta Islamic Index for the 2019-2021 period, is used in this research. The stock combination of the Markowitz model is better than the Black-Litterman model. The expected value of the portfolio obtained is 0.0066, which is greater than the risk-free asset return of 0.0011 on the day of broadcast. The portfolio risk of the Markowitz model is smaller than the Black-Litterman model, which are 0.0010972 and 0.0013917, respectively. so it can be said that the Markowitz model is better than the Black-Litterman model in the formation of a Sharia stock portfolio during the covid-19 pandemic.
The optimal portfolio of islamic stocks using the markowitz and black-litterman models Irfani Azis; Muhamad Syazali; Elise Nathalia Manurung
Desimal: Jurnal Matematika Vol 6, No 1 (2023): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v6i1.14499

Abstract

The portfolio with the best combination of profit and risk or the investor's choice is called the optimal portfolio. The Black-Litterman and Markowitz models were used to determine the optimal portfolio during the covid-19 pandemic. Sharia stock data, that is consistent with the Jakarta Islamic Index for the 2019-2021 period, is used in this research. The stock combination of the Markowitz model is better than the Black-Litterman model. The expected value of the portfolio obtained is 0.0066, which is greater than the risk-free asset return of 0.0011 on the day of broadcast. The portfolio risk of the Markowitz model is smaller than the Black-Litterman model, which are 0.0010972 and 0.0013917, respectively. so it can be said that the Markowitz model is better than the Black-Litterman model in the formation of a Sharia stock portfolio during the covid-19 pandemic.
Co-Authors Abd. Rasyid Syamsuri Abdurahman Abdurrahman Abdurrazzaq, Achmad Achi Rinaldi Adi, Langit Cahya Aji Arif Nugroho Alexander Yabansabra Amir Machmud Andika Eko Prasetiyo Antomi Saregar Aparna Dixit Avissa Purnama Yanti Bella Dwi Lestari Devita Amalia Putri Dewi, Eva Sima Dian Purnama Sari Elise Nathalia Manurung Endah Kinarya Palupi Eva Sima Dewi Farida, Farida Fredi Ganda Putra Hasan Said Tortop Hasan Said Tortop Iip Sugiharta Ikhsan Maulidi Irfani Azis Irfani Azis Irzaman, Irzaman Junoh, Ahmad Kadri bin Kenny Candra Pradana Kenny Candra Pradana Kiki Afandi Kittisak Jermsittiparsert Kittisak Jermsittiparsert Lailatul Siamy Lestari, Bella Dwi Lingga Afriansyah Mardani Lintang Fitra Utami Lusi Anggraini M Ridhwan Amarullah Mardani, Lingga Afriansyah Masykur, Rubhan Mohammad Liwa Ilhamdi Muawanah Muawanah Mujib Mujib Mujib Mujib, Mujib Mutiara Aghnyn Aisyah Nabila Swarna Puspa Hermana Nanang Supriadi Nilawati Tadjuddin Nina Valentika Nining Ratnasari Nofrizal Nofrizal Nofrizal Nofrizal Novalia Novalia NUR HASANAH Palupi, Endah Kinarya Rahmad Junaidi, Rahmad Rahmi Ramadhani Ratnasari, Nining Riawan Syahrul Haz, Habban Rizka Dwi Saputri Rizki Wahyu Yunian Putra Rizqi Prastowo Ro'fah Nur Rachmawati Ruhban Maskur Sakti Aktarim Siamy, Lailatul Siska Andriani Syamsul Huda Syamsul Huda Syarif Abdullah Tiara Rahayu Umam, Rofiqul Umi Azizatul Mubaroh Utami, Lintang Fitra Vina Apriliani Vivi Iswanti Nursyirwan Wahyudianto, Benny Watcharin Joemsittiprasert Yasinta Rahmawati Yoshua Chandra Zakiy, Muhammad Abdurrahman