Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The main data of this article are example data, which can be freely obtained directly from the public website: https://sparse.tamu.edu/Rommes. The other data that support the findings of this study are available from the authors upon reasonable request. References 1, Model Order Reduction Methods (Science Press, 2010). 2, Approximation of Large-Scale Dynamical Systems (SIAM, 2005).
