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Inasmuch as the hydrostatic structure of interior neutron stars uniquelydepends on the equation of state (EOS), the inverse constraints on EOS fromastrophysical observation have been important methods to reveal the propertiesof the high-density matter. Up to date, most of EOSs for neutron-star matterare given in tabulations, but these numeric tables could be quite different inresolution. To guarantee both the accuracy and efficiency in computingTolman-Oppenheimer-Volkoff (TOV) equation, a concise standard for generatingEOS tables with suitable resolution is investigated in this work. It is shownthat the EOS tables with 50 points logarithmic-uniformly located atsupra-nuclear density segment [$\rho_{0}, 10 \rho_{0} $], where $\rho_{0}$ isthe nuclear saturation density) would correspond to the interpolation-inducederrors at $\sim 0.02\%$ for the gravitational mass $M$ and $\sim 0.2\%$ for thetidal deformability $\Lambda$.

Suitable resolution for EOS tables in neutron star investigation