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All Journal International Journal of Educational Research Excellence (IJERE) Journal of Mathematics, Computation and Statistics (JMATHCOS)
Megasari
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Arts Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Dual Reciprocity Boundary Element Method untuk Menyelesaikan Masalah Infiltrasi Stasioner pada Saluran Datar Periodik Megasari
Journal of Mathematics, Computations and Statistics Vol. 4 No. 1 (2021): Volume 04 Nomor 01 (April 2021)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

This research discusses about the problem solving of steady infiltration problem from flat channel with Dual Reciprocity Boundary Element Method (DRBEM). The governing equation for this problem is Richard’s equation. Using Kirchhoff transformation and exponential hydraulic conductivity relation, Richard’s equation is transformed into steady infiltration equation in the form of MFP. Infiltration equation in the form of MFP is then transformed to modified Helmholtz equation. A mathematical model of steady infiltration from flat channel in the form of boundary condition problem of modified Helmholtz EQUATION. Numerical solution is obtained by solving modified Helmholtz equation by using Dual Reciprocity Boundary Element Method (DRBEM) with various number of exterior and interior collocation points. Moreover, numerical and analytic solution are then compared.
The Correlation Between Students’ Ability in Grammar and Vocabulary With Students’ Writing Paragraph Achievements at the Eighth Grade MTs Negeri 4 Mandailing Natal Megasari; Azhary Tambusai; Ahmad Laut Hasibuan
International Journal of Educational Research Excellence (IJERE) Vol. 1 No. 1: First Published June 2022
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijere.v1i1.38

Abstract

Abstract This research was intended to find out the correlation between students’ ability in grammar and vocabulary with students’ writing paragraph achievements. There was a correlation between students’ ability in grammar and vocabulary with students’ writing paragraph achievements. From the calculation above it found that tobserved = 5.754whereas the ttable Keyword: grammar ability, vocabulary ability. Writing paragraph achievement = 2.009. It shows that correlation between students’ ability in grammar and vocabulary with students’ writing paragraph achievements was significant at 0.05. From the result, the researcher found that there was correlation of the students’ ability in grammar and vocabulary with students’ writing paragraph achievements. This means that the correlation of the students’ ability in grammar and vocabulary with students’ writing paragraph achievements. 
Co-Authors Ahmad Laut Hasibuan Azhary Tambusai