Download What Is an S

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Overview of S-Functions
In this example, the model contains an instance of an S-Function block that
references a C MEX-file having the root name timestwo.
Note If the MATLAB path includes a C MEX-file and an M-file having the
same root name referenced by an S-function block, the S-function block uses
the C MEX-file.
Passing Parameters to S-Functions
The S-function block’s S-function parameters field allows you to specify
parameter values to be passed to the corresponding S-function. To use this
field, you must know the parameters the S-function requires and the order in
which the function requires them. (If you do not know, consult the S-function’s
author, documentation, or source code.) Enter the parameters, separated by a
comma, in the order required by the S-function. The parameter values can be
constants, names of variables defined in the MATLAB or model workspace, or
MATLAB expressions.
The following example illustrates usage of the S-function parameters field
to enter user-defined parameters.
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