ODAT-SE is a general-purpose data analysis framework designed to perform optimization and inverse problem analysis using forward problem solvers for various applications. Users can freely define their forward problem solvers based on their specific problems. The framework evaluates differences between experimental data and simulation data as an objective function, minimizing this objective function to find optimal parameters. It includes several implemented search algorithms, such as Grid Search, Nelder-Mead method, Bayesian optimization (using PHYSBO), Replica Exchange Monte Carlo, and Population Annealing Monte Carlo methods. Additionally, ODAT-SE provides post-processing tools for evaluating and visualizing analysis results. ODAT-SE was developed as a successor to the two-dimensional material structure analysis software “2DMAT”, inheriting and expanding its functionality to provide more general applicability.

License

The software package and source code are distributed under the Mozilla Public License Version 2.0 (MPL 2.0).

Copyright (c) <2020-> The University of Tokyo. All rights reserved.

This software was developed with the support of the Software Enhancement Project at the Institute for Solid State Physics, The University of Tokyo, starting from fiscal year 2020. When citing ODAT-SE, please use the following reference:

“Data-analysis software framework 2DMAT and its application to experimental measurements for two-dimensional material structures”, Y. Motoyama, K. Yoshimi, I. Mochizuki, H. Iwamoto, H. Ichinose, and T. Hoshi, Computer Physics Communications 280, 108465 (2022).

Bibtex:

@article{MOTOYAMA2022108465,
title = {Data-analysis software framework 2DMAT and its application to experimental measurements for two-dimensional material structures},
journal = {Computer Physics Communications},
volume = {280},
pages = {108465},
year = {2022},
issn = {0010-4655},
doi = {https://doi.org/10.1016/j.cpc.2022.108465},
url = {https://www.sciencedirect.com/science/article/pii/S0010465522001849},
author = {Yuichi Motoyama and Kazuyoshi Yoshimi and Izumi Mochizuki and Harumichi Iwamoto and Hayato Ichinose and Takeo Hoshi}
}

Developers

ODAT-SE is developed by the following members:

  • ver. 3.0.0 and later
    • Yuichi Motoyama (Institute for Solid State Physics, The University of Tokyo)
    • Tatsumi Aoyama (Institute for Solid State Physics, The University of Tokyo)
    • Kazuyoshi Yoshimi (Institute for Solid State Physics, The University of Tokyo)
    • Takeo Hoshi (National Institute for Fusion Science)
  • ver. 1.0 – 2.0.0 (as 2DMAT)
    • Yuichi Motoyama (Institute for Solid State Physics, The University of Tokyo)
    • Kazuyoshi Yoshimi (Institute for Solid State Physics, The University of Tokyo)
    • Harumichi Iwamoto (Graduate School of Engineering, Tottori University)
    • Takeo Hoshi (Graduate School of Engineering, Tottori University)