https://ch.mathworks.com/help/fixedpoint/ref/fixed.dataspecification.html
fixed.DataSpecification - Specify properties of data to generate - MATLAB
Use the fixed.DataSpecification and fixed.DataGenerator objects to generate simulation inputs to test the full operating range of your designs.
fixedspecifypropertiesdatagenerate
https://uk.mathworks.com/help/fixedpoint/ref/fixed.dataspecification.html
fixed.DataSpecification - Specify properties of data to generate - MATLAB
Use the fixed.DataSpecification and fixed.DataGenerator objects to generate simulation inputs to test the full operating range of your designs.
fixedspecifypropertiesdatagenerate