Numerical Analysis and Scientific Computing
Vision: The academic group on Numerical Analysis and Scientific Computing aspires to become a prominent center of excellence in the Philippines, renowned for its outstanding teaching and research in the fields of numerical analysis and scientific computing. Our primary objective is to attain international recognition for our exceptional contributions in advancing these domains. With a steadfast commitment to excellence, we aim to position ourselves as the foremost advocate for numerical analysis and scientific computing, forging strong partnerships with industrial and academic entities at a national level. We endeavor to make the Numerical Analysis and Scientific Computing academic group a global leader, driving advancements in research, education, and practical applications. We aim to contribute to scientific and technological progress, address complex realworld challenges, and positively impact society through the transformative power of numerical analysis and scientific computing.
Mission:
 Foster a culture of research excellence in the field of Numerical Analysis and Scientific Computing, aiming to push the boundaries of knowledge and make significant contributions to the field.
 Encourage interdisciplinary collaboration by bringing together researchers from various disciplines such as mathematics, engineering, computer science, natural sciences, and social sciences, among others, to tackle complex scientific and computational challenges. Moreover, cultivate collaborations and partnerships with leading international research institutions and universities, facilitating knowledge exchange, joint research projects, and global networking opportunities.
 Provide mentorship and leadership opportunities for students, earlycareer researchers, and faculty members, supporting their professional growth and development in the field of Numerical Analysis and Scientific Computing.
 Promote innovation and the development of new computational methods, algorithms, and software tools to address emerging challenges in scientific computing and numerical analysis.
 Actively engage with the scientific computing community, organizing seminars, conferences, and workshops, and participating in outreach programs to promote the importance and relevance of Numerical Analysis and Scientific Computing.
 Promote the ethical use of computational methods, data analysis, and numerical simulations, emphasizing transparency, reproducibility, and responsible conduct in research and applications.
Goals:
 Develop and advance mathematical methods and scientific tools for solving mathematical and computational problems in order to reach a new understanding of complex realworld processes
 Tackle active research questions concerning the design, analysis, and implementation of numerical algorithms
 Collaborate with interdisciplinary teams of scientists and engineers to solve increasingly complex problems that require a combination of domain knowledge and computational expertise for scientific and technological advancement
 Provide quality education in courses on numerical analysis and scientific computing
 Give the discipline a larger profile regionally and nationally by facilitating knowledge transfer and training of highlyqualified personnel
Areas of Research: Numerical analysis. Scientific computing and algorithms. Numerical differential equations. Numerical linear algebra. Variational analysis. Shape optimization. PDEconstrained optimization. Energy minimization. Optimal control. Inverse problems. Interface (geometric) evolution. Free boundary problems. Data science. Artificial Intelligence. Image processing and analysis.

Publications
 Cabanilla, K. I., Mohammad, R. Z., & Lope, J. E. Neural Networks with ReLU Powers Need Less Depth. Journal on Neural Networks (under review ). Preprint available at SSRN 4457166.
 Escosio, R. A., & Mendoza, R. A Modified Accelerated Gradient Descent Using an NDimensional Golden Section Search for Escaping Saddle Points. Mathematical Biosciences and Engineering (under review ). Preprint available at SSRN 4069780.
 Lim, Y., Ko, Y., Mendoza, R., Mendoza, V. M. P., Lee, J., & Jung, E. Optimal NonPharmaceutical Interventions Considering Limited Healthcare System Capacity and Economic Costs in the Republic of Korea. Mathematical Modelling of Natural
Phenomena (under review ). Preprint available at medRxiv, 202305.  Escosio, R., Cawiding, O., Hernandez, B., Mendoza, R., Mendoza, V., Mohammad, R., … & de los Reyes V, A. A ModelBased Strategy on COVID19 Vaccine Rollout in the Philippines. Journal of Theoretical Biology (under review). Preprint available at medRxiv, 202205.
 Castillo, R.C.J., Mendoza, V.M., Lope, J.E, & Mendoza, R. Modeling infectious disease trend using Sobolev polynomials. Communication in Biomathematical Sciences (under review ).
 Pino, R., Mendoza, V. M., Velasco, A.C., Enriquez E.A, & Mendoza, R. Optimal allocation of COVID19 vaccines to the regions in the Philippines. Healthcare Analytics (under review ).
 Ko, Y., Mendoza, V. M., Mendoza, R., Seo, Y., Lee, J., & Jung, E. (2023). Estimation of monkeypox spread in a nonendemic country considering contact tracing and selfreporting: A stochastic modeling study. Journal of Medical Virology, 95(1), e28232.
 Ko, Y., Mendoza, V. M., Mendoza, R., Seo, Y., Lee, J., & Jung, E. (2023). Risk estimation of lifted mask mandates and emerging variants using mathematical model. Heliyon.
 Lee, J., Mendoza, R., Mendoza, V. M. P., Lee, J., Seo, Y., & Jung, E. (2023). Modelling the effects of social distancing, antiviral therapy, and booster shots on mitigating Omicron spread. Scientific Reports, 13(1), 6914.
 Auzinger, W., Burdeos, K. N., Fallahpour, M., Koch, O., Mendoza, R. G., & Weinmüller, E. B. (2022). A numerical continuation method for parameterdependent boundary value problems using bvpsuite 2.0. Journal of Numerical Analysis Industrial & Applied Mathematics, 16.
 Cabanilla, K. I., Enriquez, E. A. T., Velasco, A. C., Mendoza, V. M. P., & Mendoza, R. (2022). Optimal selection of COVID19 vaccination sites in the Philippines at the municipal level. PeerJ, 10, e14151.
 Castillo, R. C. J., & Mendoza, R. (2022). On smoothing of data using Sobolev polynomials. AIMS Mathematics, 7(10), 1920219220.
 Enriquez, E. A. T., Mendoza, R. G., & Velasco, A. C. T. (2022). Philippine eagle optimization algorithm. IEEE Access, 10, 2908929120.
 Ko, Y., Mendoza, V. M., Mendoza, R., Seo, Y., Lee, J., Lee, J., … & Jung, E. (2022). Multifaceted analysis of COVID19 epidemic in Korea considering omicron variant: mathematical modelingbased study. Journal of Korean medical science, 37(26).
 Mendoza, V. M. P., Mendoza, R., Ko, Y., Lee, J., & Jung, E. (2022). Managing bed capacity and timing of interventions: a COVID19 model considering behavior and underreporting. AIMS Mathematics, 8(1), 22012225.
 Mendoza, V. M. P., Mendoza, R., Lee, J., & Jung, E. (2022). Adjusting nonpharmaceutical interventions based on hospital bed capacity using a multioperator differential evolution. AIMS Mathematics, 7(11), 1992219953.
 Mohammad, R. Z., Murakawa, H., Svadlenka, K., & Togashi, H. (2022). A numerical algorithm for modeling cellular rearrangements in tissue morphogenesis. Communications Biology, 5(1), 239.
 Pino, R. B., Mendoza, R. G., & Sambayan, R. R. (2022). Blocklevel Optical Character Recognition System for Automatic Transliterations of Baybayin Texts Using Support Vector Machine. Philippine Journal of Science, 151(1).
 Caro, L. A. P., Mendoza, R., & Mendoza, V. M. P. (2021, November). Application of genetic algorithm with multiparent crossover on an inverse problem in delay differential equations. In AIP Conference Proceedings (Vol. 2423, No. 1). AIP Publishing.
 Darbas, M., Heleine, J., Mendoza, R., & Velasco, A. C. (2021). Sensitivity analysis of the complete electrode model for electrical impedance tomography. AIMS Mathematics, 6(7), 73337366.
 Jamilla, C. U., Mendoza, R. G., & Mendoza, V. M. P. (2021). Parameter estimation in neutral delay differential equations using genetic algorithm with multiparent crossover. IEEE Access, 9, 131348131364.
 Magdalena, I., La’lang, R., & Mendoza, R. (2021). Quantification of wave attenuation in mangroves in manila bay using nonlinear shallow water equations. Results in Applied Mathematics, 12, 100191.
 Magdalena, I., La’lang, R., Mendoza, R., & Lope, J. E. (2021). Optimal placement of tsunami sensors with depth constraint. PeerJ Computer Science, 7, e685.
 Pino, R., Mendoza, R., & Sambayan, R. (2021). A Baybayin word recognition system. PeerJ Computer Science, 7, e596.
 Pino, R., Mendoza, R., & Sambayan, R. (2021). Optical character recognition system for Baybayin scripts using support vector machine. PeerJ Computer Science, 7, e360.
 Salonga, P. K. N., Mendoza, V. M. P., Mendoza, R. G., & Belizario Jr, V. Y. (2021). A mathematical model of the dynamics of lymphatic filariasis in Caraga Region, the Philippines. Royal Society Open Science, 8(6), 201965.
 Velasco, A. C., Darbas, M., & Mendoza, R. (2021). Numerical resolution of the electrical impedance tomography inverse problem with fixed inclusions. Computer Science, 16(3), 10631076.
 Ferrolino, A. R., Lope, J. E. C., & Mendoza, R. G. (2020). Optimal location of sensors for early detection of tsunami waves. In Computational Science–ICCS 2020: 20th International Conference, Amsterdam, The Netherlands, June 3–5, 2020, Proceedings, Part II 20 (pp. 562575). Springer International Publishing.
 Ferrolino, A., Mendoza, R., Magdalena, I., & Lope, J. E. (2020). Application of particle swarm optimization in optimal placement of tsunami sensors. PeerJ Computer Science, 6, e333.
 Jamilla, C. U., Mendoza, R. G., & Mendoza, V. M. P. (2020). Explicit solution of a LotkaSharpeMcKendrick system involving neutral delay differential equations using the rLambert W function. Mathematical Biosciences and Engineering, 17(5), 56865708.
 Jamilla, C., Mendoza, R., & Mező, I. (2020). Solutions of neutral delay differential equations using a generalized Lambert W function. Applied Mathematics and Computation, 382, 125334.
 Manejero, J. L., & Mendoza, R. (2020). Variational Approach to Data Graduation. Philippine Journal of Science, 149(2).
 Mendoza, R., & Keeling, S. (2020). Existence of solution for a segmentation approach to the impedance tomography problem.
 Velasco, A. C., Darbas, M., Mendoza, R., Bacon, M., & de Leon, J. C. (2020). Comparative study of heuristic algorithms for electrical impedance tomography. Philippine Journal of Science, 149(3), 747772.
 Recio, K. R. O., & Mendoza, R. G. (2019, March). A ThreeStep Approach to Edge Detection of Texts. In 20 th European Conference on Mathematics for Industry (p. 414).
 Riñon, J. B., Mendoza, R., & Mendoza, V. M. P. (2019, March). Parameter estimation of an Ssystem model using hybrid genetic algorithm with the aid of sensitivity analysis. In Proceedings of Philippines Computing Science Congress, Manila, Philippines (pp. 94102).
 Rivero, R., & David, G. (2019, June). Modeling structural breakpoints in volatility of Philippine PesoUS Dollar currency exchange rate. In Empowering Science and Mathematics for Global Competitiveness: Proceedings of the Science and Mathematics International Conference (SMIC 2018), November 24, 2018, Jakarta, Indonesia (p. 413). CRC Press.
 Rivero, R., Onuma, Y., & Kato, T. (2019). Threshold AutoTuning Metric Learning. IEICE TRANSACTIONS on Information and Systems, 102(6), 11631170.
 Salonga, P. K., Inaudito, J. M., & Mendoza, R. (2019, December). An unconstrained minimization technique using successive implementations of golden search algorithm. In AIP Conference Proceedings (Vol. 2192, No. 1). AIP Publishing.
 Weinmüller, E., Burdeos, K., Fallahpour, M., & Mendoza, R. (2019). Pathfollowing for parameterdependent boundary value problems in singular ordinary differential equations.
 Rivero, R., & Kato, T. (2018). Parametric models for mutual kernel matrix completion. IEICE TRANSACTIONS on Information and Systems, 101(12), 29762983.
 Bargo, M. C. R. The Use of Projection Operators with the Parareal Algorithm to Solve the Heat and the KdVB Equation. Matimyás Matematika 40 (12), 4155.