https://it.mathworks.com/help/fixedpoint/ref/functionapproximation.lutsolution.solutionfromid.html
FunctionApproximation.LUTSolution.solutionfromID - Access a solution found during the approximation...
This MATLAB function returns the solution associated with the FunctionApproximation.LUTSolution object, solution, with the ID specified by id.
a solutionaccessfoundapproximation