https://se.mathworks.com/help/control/ref/mor.sparsezeropoletruncationoptions.html
SparseZeroPoleTruncationOptions - Options for model order reduction with zero-pole truncation -...
This object contains model order reduction options of zero-pole truncation and is contained in the Options property of a SparseZeroPoleTruncation object R...
optionsmodelorderreductionzero