Use cubic splines to interpolate smooth data, choosing knots and smoothness.
Grid-based Interpolation
Look-Up Table (n-D) (Simulink Reference)
Constructing Spline Curves in 2D and 3D - MATLAB & Simulink Example
Spline Toolbox Matlab Download - Colaboratory
1-D data interpolation (table lookup) - MATLAB interp1
Geographic Interpolation of Vectors - MATLAB & Simulink
Cubic spline data interpolation - MATLAB spline
Cubic Spline Interpolation - MATLAB & Simulink Example
Splines - MATLAB & Simulink
Construct Chebyshev Spline - MATLAB & Simulink Example - MathWorks América Latina
Cubic-Spline Interpolation: A Detailed Explanation of the Methodology and Worked Examples, PDF, Interpolation