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All Journal Sinkron : Jurnal dan Penelitian Teknik Informatika JIEP: Jurnal Ilmu Ekonomi dan Pembangunan Journal of Mathematics Technology and Education JIEP: Jurnal Ilmu Ekonomi dan Pembangunan
Herawati, Elvina
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Pengaruh Pendapatan Perkapita, Jumlah Penduduk Bekerja dan Jumlah Jenis Pajak Daerah terhadap Penerimaan Pajak Daerah pada Kabupaten/Kota Provinsi Kalimantan Herawati, Elvina; Saipudin, Saipudin
JIEP: Jurnal Ilmu Ekonomi dan Pembangunan Vol 6, No 2 (2023)
Publisher : PPJP Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jiep.v6i2.11006

Abstract

This research aimed to determine the effect of Per-capita Income, Total Working Population, and Number of Types of Local Taxes on Local Tax Revenues. This research is a quantitative study, and the analysis technique used is multiple linear regression with the ordinary least squares (OLS) method. The data used in the study were from the Central Statistics Agency of South Kalimantan and the Directorate General of Fiscal Balance 2011 – 2018. The results of the study with the best model FEM show that simultaneously Per-capita Income, Total Working Population, and Number of Types of Local Taxes have a significant effect on Local Tax Revenues.
Development of The Steepest Descent Method for Unconstrained Optimization of Nonlinear Function Evada, Zakiah; Tulus; Herawati, Elvina
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 3 (2022): Article Research Volume 6 Number 3, July 2022
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i3.11596

Abstract

The q-gradient method used a Yuan step size for odd steps, and geometric recursion as an even step size (q-GY). This study aimed to accelerate convergence to a minimum point by minimizing the number of iterations, by dilating the parameter q to the independent variable and then comparing the results with three algorithms namely, the classical steepest descent (SD) method, steepest descent method with Yuan Steps (SDY), and q-gradient method with geometric recursion (q-G). The numerical results were presented in tables and graphs. The study used Rosenbrock function f(x)=〖(1-x_1)〗^2+100〖(x_2-〖x_1〗^2)〗^2 and determined μ=1,σ_0=0.5,β=0.999, the starting point (x_0) with a uniform distribution on the interval x_0= (-2.048, 2.048) in R^2, with 49 starting points (x_0) executed using the Python online compiler on a 64bit core i3 laptop. The maximum number of iterations was 58,679. Using tolerance limits as stopping criteria is 10-4 and the inequality 〖f(x〗^*)>f to get numerical results. q-GY method down ward movement towards the minimum point was better than the SD and SDY methods while the numerical results of the Rosenbrock function showed good enough performance to increase convergence to the minimum point
Fixed Point of Contractive Mappings in Cone Metric Space: Titik Tetap dari Fungsi Kontraktif pada Ruang Metrik Cone Sitorus, Clara Magdalena; Herawati, Elvina
Journal of Mathematics Technology and Education Vol. 1 No. 3 (2022): Journal of Mathematics Technology and Education
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomte.v1i3.9766

Abstract

The concept of a fixed point of a function is closely related to the abstract space of the function it is in, one of which is the cone metric space which is a generalization of the metric space and which was first introduced by Zhang and Huang in 2007. The cone metric space is any non-empty set that with cone metric function. The cone metric function has the domain of any non-empty set and has the codomain of an ordered Banach space. The purpose of this study is to recognize the concept of the cone metric space and its relation to the metric space, as well as to examine the fixed point theorem on the cone metric space.
Pengaruh Pendapatan Perkapita, Jumlah Penduduk Bekerja dan Jumlah Jenis Pajak Daerah terhadap Penerimaan Pajak Daerah pada Kabupaten/Kota Provinsi Kalimantan Herawati, Elvina; Saipudin
JIEP: Jurnal Ilmu Ekonomi dan Pembangunan Vol. 6 No. 2 (2023)
Publisher : PPJP ULM

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

Abstract

This research aimed to determine the effect of Per-capita Income, Total Working Population, and Number of Types of Local Taxes on Local Tax Revenues. This research is a quantitative study, and the analysis technique used is multiple linear regression with the ordinary least squares (OLS) method. The data used in the study were from the Central Statistics Agency of South Kalimantan and the Directorate General of Fiscal Balance 2011 – 2018. The results of the study with the best model FEM show that simultaneously Per-capita Income, Total Working Population, and Number of Types of Local Taxes have a significant effect on Local Tax Revenues.
Co-Authors Evada, Zakiah Saipudin Saipudin, Saipudin Sitorus, Clara Magdalena Tulus