NTVTOK-ML: Fast surrogate model for neoclassical toroidal viscosity torque calculation in tokamaks based on machine learning methods. - Xingting Yan; Nana Bao; Chenyang Zhao; Y.-W. Sun; Y.-T. Meng; W.-Y. Zhou; N.-Y. Liang; Y.-X. Lu; Y.-F. Liang; B.-N. Wan (Comput. Phys. Commun., 2025)