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All Journal Jurnal Sains dan Teknologi Science and Technology Indonesia JTAM (Jurnal Teori dan Aplikasi Matematika) Limits: Journal of Mathematics and Its Applications PRISMATIKA: Jurnal Pendidikan dan Riset Matematika Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) Bulletin of Applied Mathematics and Mathematics Education Joong-Ki Ulil Albab Joong-Ki
Guswanto, Bambang Hendriya
Jurusan Matematika, Universitas Jenderal Soedirman
Religion Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Materials Science & Nanotechnology Mathematics Physics Social Sciences

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SIFAT ISOMORFIK PADA OPERASI TENSOR, BINTANG, CARTESIUS, DAN MODULAR DUA GRAF FUZZY Triyani, Triyani; Guswanto, Bambang Hendriya; nurhayati, Nurhayati
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 11 No 1 (2019): JMP Edisi Juni 2019
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

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

Abstract

This article discusses about some isomorphic properties of  tensor, star, Cartesius, and modular product operations of two fuzzy graphs. The results of  research are the tensor product of two fuzzy graphs  is isomorphic, and if  and  are complete fuzzy graphs then , ,  and
Partial Fourier Transform Methods to Solve the Solution Formula of Stokes Equation in Half-Space Maryani, Sri; Zahratunnisa, Siti Fauziah; Sihwaningrum, Idha; Wardayani, Ari; Guswanto, Bambang Hendriya
JST (Jurnal Sains dan Teknologi) Vol 11, No 1 (2022)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jst-undiksha.v11i1.39523

Abstract

Fluids are a shape of a matter which have substance liquids, gases and plasmas. In our daily life, fluids become important part, such as part of our blood and also help our body getting nutrients. It is well known that fluid motion can be described in mathematical model in especially in form of partial differential equations (PDE) and called as Navier Stokes Equations  (NSE). The Navier Stokes equation is derived from balance of conservation of mass and conservation of momentum. In this paper, we consider the solution formula of the linearized of the Navier Stokes Equation (NSE) with the initial boundary value (IBV) problem in half space without surface tension. The model problem under consideration covers of non-linear fluid type. We solve the solution formula of velocity and density of the model problem by using Fourier transform and partial Fourier transform method. The strategy geting the solution of the model problem is based on the analysis of some resolvent of the model problem which obtained by using Laplace transform of the Stokes equations. Therefore, In particular, the formula of velocity and density of the Stokes equation are obtained.
The half-Space Model Problem for Compressible Fluid Flow Sri Maryani; Lukman Budi Nugroho; Agus Sugandha; Bambang Hendriya Guswanto
Limits: Journal of Mathematics and Its Applications Vol 18, No 1 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/limits.v18i1.8291

Abstract

In this paper we consider the solution formula for Stokes equation system without surface tension in half-space.  More precisely, we deal with the solution of velocity and density for the model problem. This result is the basic step to estimate the solution operator of the model problem. We investigate the solution operator for the model problem in N-Dimensional Euclidean space (N>=2)In this paper we consider the solution formula for Stokes equation system without surface tension in half-space.  More precisely, we deal with the solution of velocity and density for the model problem. This result is the basic step to estimate the solution operator of the model problem. We investigate the solution operator for the model problem in N-Dimensional Euclidean space ()
APLIKASI BAHASA C++ DAN PHP UNTUK MENENTUKAN UKURAN SAMPEL PADA METODE STRATIFIED RANDOM SAMPLING Khanifudin khanifudin; Jajang Jajang; Bambang Hendriya Guswanto
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 11 No 2 (2019): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2019.11.2.2267

Abstract

The accuracy of survey results depends on sample size. So far, in determining the sample size of the stratified random sampling method, researchers still use manual calculations. Because of that, this research aims to create a sample size determination program of the stratified random sampling method using C++ and PHP programming languages. This research begins with the study of literacy, creating flowcharts and pseudocode algorithms, writing program syntax, and implementing data on the number of civil servants in each UPK in Banyumas Regency. By entering a 95% confidence level, the error limit that can be tolerated is 5, and the strata cost of each is 1, the minimum sample size is 60 with the 1st and 2nd strata sample sizes is 45 and 15. The program is expected to help researchers to determine sample size more easily. So far, the program also minimizes errors in calculations because a warning will appear when an error occurs.
SIFAT ISOMORFIK PADA OPERASI TENSOR, BINTANG, CARTESIUS, DAN MODULAR DUA GRAF FUZZY Triyani Triyani; Bambang Hendriya Guswanto; Nurhayati nurhayati
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 11 No 1 (2019): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2020.12.1.1935

Abstract

This article discusses about some isomorphic properties of tensor, star, Cartesius, and modular product operations of two fuzzy graphs. The results of research are the tensor product of two fuzzy graphs is isomorphic, and if and are complete fuzzy graphs then , , and . Full Article
THE ANALYSIS OF MULTIDIMENSIONAL ANOMALOUS DIFFUSION EQUATION Bambang Hendriya Guswanto
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 10 No 1 (2018): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2018.10.1.2838

Abstract

We discuss the properties of the fundamental solution of multidimensional anomalous diffusion equation such as symmetric, decay, nonnegative, normality, and bounded in mathematical analysis approach.
PEMECAHAN MASALAH KINEMATIKA KE DEPAN PADA TANGAN ROBOT n-SEGMEN Bambang Hendriya Guswanto; Alisya Masturoh; Triyani Triyani
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 12 No 1 (2020): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2020.12.1.2825

Abstract

This article discusses a forward kinematics space for a robot’s hand with n arms in two dimensional Euclid space. The kinematics space of the robot’s hand is obtained by employing some geometrical transformations, those are rotation and dilatation. The solution of this problem is represented by a function corresponding a set of pairs of hinge configuration with a set of pairs of robot’s position and hand endpoint direction.
THE EXISTENCE AND UNIQUENESS OF THE MILD SOLUTION TO A NONLINEAR CAUCHY PROBLEM ASSOCIATED WITH A NONLOCAL REACTION-DIFFUSION SYSTEM Bambang Hendriya Guswanto; Mohd. Ariff Bin Admon; Nur Natasha Binti Lim Boon Chye
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 11 No 2 (2019): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2019.11.2.2264

Abstract

We study the existence and uniqueness of a mild solution to a nonlinear Cauchy problem associated with a nonlocal reaction diffusion system by employing the properties of analytic semigroup operator generated by the linear part of the problem which is sectorial and then applying Banach Fixed Point Theorem to the problem. We show that the problem has a unique mild solution under a Lipschitz condition on the nonlinear part of the problem. An example as an application of the result obtained is also given.
ANALISIS ASSESMENT SALES RATIO PADA NILAI JUAL OBJEK PAJAK DENGAN ZONA NILAI TANAH TERHADAP STANDAR YANG DITETAPKAN IAAO Nurul Azizah Baisaku; Bambang Hendriya Guswanto; Dian Linawati
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 12 No 2 (2020): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2020.12.2.3588

Abstract

Land values in NJOP used as a basis for taxing land are often different from land values in the Land Value Zone (ZNT). The difference in land values contained in the NJOP and ZNT causes uncertainty about local tax revenue and creates injustice for the government and the community. Based on this, an analysis of Assesment Sales Ratio (ASR) is used to determine the determination of land values in NJOP with ZNT against the standard size determined by the International Association of Assessing Officers (IAAO). The results of the ASR analysis show that the determination of NJOP in Pamijahan Village, Plumbon District, Cirebon Regency is outside the standard range set by the IAAO, which is 0.90 to 1.10 (90% -110%). This can be seen from the results of the measurement of central tendency, which is a mean of 10.53%, a median of 0.1037, and a weighted mean of 6.136%. The comparisons between components of the measurement results of the central tendency indicate the occurrence of regressivity or downtrend. The Assessment Ratio in Pamijahan Village, Plumbon District, Cirebon Regency also did not show good uniformity, as indicated by a COD value of 0.66% and a COV value of 70.02% which were outside the standard set by IAAO i.e. the minimum and maximum values for COD and COV are 5% and 20%, respectively.
THE BLOW UP OF THE SOLUTION OF FRACTIONAL ORDINARY DIFFERENTIAL EQUATIONS Bambang Hendriya Guswanto
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 1 No 2 (2009): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2009.1.2.2980

Abstract

Co-Authors Abd. Rasyid Syamsuri Achfasarty, Kiran Nirmala Agung Prabowo Agung Prabowo agus sugandha Agus Sugandha Agus Sugandha Agustini Tripena Alisya Masturoh Alisya Masturoh Andini, Leony Rhesmafiski Ari Wardayani, Ari Baisaku, Nurul Azizah Bin Admon, Mohd. Ariff Binti Lim Boon Chye, Nur Natasha Dian Linawati Doberhol, James Hiroaki Kuze Hitoshi Irie Idha Sihwaningrum Jajang Jajang Jamrud Aminuddin Khanifudin khanifudin khanifudin, Khanifudin Laras Toersilowati Linawati, Dian Lukman Budi Nugroho Marfungah, Fitri Ferianti Maryani, Sri Mashuri Mashuri Mashuri Mashuri Mashuri Mashuri Mashuri Masturoh, Alisya Mohd. Ariff Bin Admon Nadya Novika Nur Natasha Binti Lim Boon Chye Nurhayati Nurhayati Nurul Azizah Baisaku Raden Farzand Abdullatif Sehah Sehah slamet riyadi Soni Aulia Rahayu Sri Maryani Sri Maryani Sri Maryani Suhada, Dede Bagus Supriyanto Supriyanto Suroto Suroto Suroto suroto Triyani Triyani Triyani Triyani Triyani Triyani Yiyi Fikri Nurizki Yulinda, Nisa Tri Zahratunnisa, Siti Fauziah