The MATLAB workspace file eos_data_set.mat contains the parameters an physical properties of 1966225 phenomenolocial neutron star (NS) equations of state (EOS).
These are the data arrays that are contained in the workspace file.

NAME   : UNITS         : DESCRIPTION
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G      : [none]        : A 2D array which stores the four adiabatic indices of each piecewise polytropic EOS.
lgrho  : [log(g/cm^3)] : A 2D array which stores the base 10 logarithm of the three transition densities of each piecewise polytropic EOS.
Mmax   : [M_sun]       : Array which stores the maximum stable mass of a non-rotating NS for each EOS
cs2    : [c^2]         : Array which stores the maximum value of the squared sound speed in the maximum mass NS for each EOS.
rho14  : [g/cm^3]      : Array which stores the central density of the 1.4 solar mass NS for each EOS.
rho2   : [g/cm^3]      : Array which stores the central density of the 2 solar mass NS for each EOS.**
rho214 : [g/cm^3]      : Array which stores the central density of the 2.14 solar mass NS for each EOS.**
rhom   : [g/cm^3]      : Array which stores the central density of the maximum mass NS for each EOS.
lam14  : [none]        : Array which stores the tidal deformability (Lambda)* of the 1.4 solar mass NS for each EOS.
lam2   : [none]        : Array which stores the tidal deformability (Lambda)* of the 2 solar mass NS for each EOS.**
lam214 : [none]        : Array which stores the tidal deformability (Lambda)* of the 2.14 solar mass NS for each EOS.**
R14    : [km]          : Array which stores the radius of the 1.4 solar mass NS for each EOS.
R2     : [km]          : Array which stores the radius of the 2 solar mass NS for each EOS.**
R214   : [km]          : Array which stores the radius of the 2.14 solar mass NS for each EOS.**
Rmax   : [km]          : Array which stores the radius of the maximum mass NS for each EOS.

*  Damour T., Nagar A., 2009, Phys. Rev., D80, 084035
** For each EOS where the maximum mass is less than 2 M_sun or 2.14 M_sun, the value in the array is set to zero.