When you use varargin and varargout for
code generation, there are these restrictions:
You cannot use varargin or varargout
in the function definition for a top-level function in a MATLAB
Function block or in a Stateflow® chart that uses MATLAB® as the action language.
You cannot write to varargin. If you want to write to input
arguments, copy the values into a local variable.
To index into varargin and varargout,
use curly braces {}, not parentheses
().
The code generator must be able to determine the value of the index into
varargin or varargout.