Assistant Professor Dr. Apichat Neamvonk
ผู้ช่วยศาสตราจารย์ ดร.อภิชาติ เนียมวงษ์
Department of Mathematics
Faculty of Science
Burapha University, Thailand
🔬 Research Interests
Computational Mathematics, Numerical Analysis, Iterative Methods, Nonlinear Equations, Numerical Differential Equations
🔢 NUMERICAL METHODS📈 NONLINEAR EQUATIONS💻 SCIENTIFIC COMPUTING
⭐ Featured Research — 2026
A Hybrid Safeguarded Quasi-Newton Method for Nonlinear Systems with Engineering Applications
Burapha Science Journal, Vol. 31, No. 2, pp. 536–551.
งานนี้พัฒนา hybrid safeguarded quasi-Newton/Broyden-type algorithm สำหรับระบบสมการไม่เชิงเส้น โดยมุ่งลดข้อจำกัดด้านการคำนวณ Jacobian และเพิ่มความ robust ของการลู่เข้า
👨🏫 2. ABOUT ME
👤 Academic Profile
Assistant Professor Dr. Apichat Neamvonk
Department of Mathematics
Faculty of Science, Burapha University
Field: Computational Mathematics, Iterative Methods
Office: MA-211
Email: apichat@buu.ac.th
🎓 EDUCATION
Doctor of Philosophy (Ph.D.) in Applied Mathematics
Newcastle University, United Kingdom, 2009
วิทยาศาสตรมหาบัณฑิต (คณิตศาสตร์ประยุกต์)
Master of Science (M.Sc.) in Applied Mathematics
มหาวิทยาลัยมหิดล | Mahidol University, 1996
วิทยานิพนธ์: Analysis of a Model for Predator-Prey Dynamics as Modified by the Action of a Parasite
วิทยาศาสตรบัณฑิต (คณิตศาสตร์)
Bachelor of Science (B.Sc.) in Mathematics
มหาวิทยาลัยหอการค้าไทย | University of the Thai Chamber of Commerce
🔬 3. RESEARCH
🔵 Numerical Methods: Development and improvement of numerical algorithms for solving mathematical problems efficiently and accurately.
🟠 Iterative Methods: Development of iterative schemes for solving nonlinear equations and nonlinear systems.
🟢 Differential Equations: Numerical methods for initial value problems and ordinary differential equations.
🟣 Mathematical Modeling: Applications of computational and applied mathematics to scientific and engineering problems.
📚 4. PUBLICATIONS
2026
A Hybrid Safeguarded Quasi-Newton Method for Nonlinear Systems with Engineering Applications
Apichat Neamvonk
Burapha Science Journal, 31(2), 536–551.
Keywords: Hybrid quasi-Newton method, Broyden-type algorithm, nonlinear equation systems.
Article – Burapha Science Journal
2023
Solving the First Order Differential Equations using Newton's Interpolation and Lagrange Polynomial
Apichat Neamvonk & Boonyong Sriponpaew
European Journal of Pure and Applied Mathematics, 16(2), 965–974.
DOI: 10.29020/nybg.ejpam.v16i2.4727.
2022
Investigation of Fractal-Fractional HIV Infection by Evaluating the Drug Therapy Effect in the Atangana-Baleanu Sense
Jutarat Kongson, Chatthai Thaiprayoon, Apichat Neamvonk, Jehad Alzabut & Weerawat Sudsutad
Mathematical Biosciences and Engineering, 19(11), 10762–10808.
DOI: 10.3934/mbe.2022504.
Article – AIMS Press
2019
Three-Step Method For Finding Root of Non-Linear Equations
Apichat Neamvonk
IOSR Journal of Mathematics, 15(1), Series 1.
DOI: 10.9790/5728-1501010106.
Article – IOSR Journal of Mathematics
2018
New Three Step Iterative Method for Solving Nonlinear Equations Using Newton-Halley Method
Apichat Neamvonk
Asian Journal of Applied Sciences, 6(2).
Published 21 April 2018. ORCID ในบทความระบุ 0000-0002-0829-4643.
Article – Asian Journal of Applied Sciences
2017
A Modified Secant Method for Solving Nonlinear Equations
Apichat Neamvonk
Burapha Science Journal, Special Volume 2017, 279–287.
Published 26 July 2017.
Article – Burapha Science Journal
2015
A New Method for Finding Root of Nonlinear Equations by Using Nonlinear Regression
Jutaporn Neamvonk, Bumrungsak Phuenaree & Apichat Neamvonk
Asian Journal of Applied Sciences, 3(6), 818–822. ฐานข้อมูลภายนอกบางแห่งแสดงปีออนไลน์เป็น 2016 แต่เอกสารอ้างอิงของบทความอื่นระบุฉบับวารสารเป็นปี 2015 จึงควรใช้ 2015 ตาม volume/issue ของวารสาร.
A Modified Regula Falsi Method for Solving Root of Nonlinear Equations
Apichat Neamvonk
Asian Journal of Applied Sciences, 3(4), August 2015. Published 24 August 2015.
Article – Asian Journal of Applied Sciences
2014
Solving for Roots of Nonlinear Equations by Taylor Expansion
Apichat Neamvonk
Asian Journal of Applied Sciences. งานนี้เสนอ iterative numerical method จาก Taylor expansion อันดับ 2 และ 3 สำหรับ f(x)=0.
🧮 5. RESEARCH PROJECTS
🔵 Nonlinear Equations: Iterative algorithms for finding roots of nonlinear equations.
🟠 Nonlinear Systems: Quasi-Newton and Broyden-type algorithms for nonlinear systems.
🟢 Numerical ODEs: Interpolation-based numerical methods for initial value problems.
🟣 Applied Mathematical Models: Numerical and computational approaches to mathematical models arising in science and engineering.
🏆 6. CONFERENCES & AWARDS
2026
A Learning-Enhanced Safe Hybrid Bracketing Method for Nonlinear Equations
Apichat Neamvonk
SRC17 – The 17th National Science Research Conference
Group 5: Mathematics / Applied Mathematics / Statistics
Poster ID: MS-P-01
🏆 Best Poster Award
2021
Some Numerical Methods to Estimate Definite Integral Using Trapezoidal Rule Modifications
Apichat Neamvonk & Kamonrat Peungyoo
The 12th National Science Research Conference, Naresuan University, 6–7 May 2021.
Poster MATH-P-01
Numerical Method for Definite Integral Estimation Via Regression Interpolation
Apichat Neamvonk & Supattra Ngoenthong
The 12th National Science Research Conference, Naresuan University, 6–7 May 2021.
Poster MATH-P-02
📖 7. TEACHING
🔢 Numerical Methods: Numerical algorithms, nonlinear equations, linear systems, interpolation, numerical integration and differential equations.
📐 Calculus: Limits, differentiation, integration and applications.
⚙️ Engineering Mathematics: Mathematical techniques and computational methods for engineering applications.
📈 Ordinary Differential Equations: Analytical and numerical approaches to differential equations.
✉️ 8. CONTACT
Assistant Professor Dr. Apichat Neamvonk
Department of Mathematics
Faculty of Science
Burapha University
Chon Buri, Thailand 20131
📧 apichat@buu.ac.th
🏢 Office: MA-211
☎ 0-3810-3081