함수 정의

코드 생성을 위해 함수 정의 및 호출

블록

MATLAB Function	Include MATLAB code in models that generate embeddable C code
MATLAB System	Include System object in model

함수

`coder.extrinsic`	Declare function as extrinsic and execute it in MATLAB
`coder.ignoreSize`	Prevent code generator from creating function specializations for constant-size expressions (R2019b 이후)
`coder.ignoreConst`	Prevent use of constant value of expression for function specializations
`coder.mustBeConst`	Validate that value is a compile-time constant (R2023b 이후)
`coder.unroll`	Unroll `for`-loop by making a copy of the loop body for each loop iteration
`coder.sameSizeBinaryOp`	Apply element-wise binary operations without implicit expansion (R2021b 이후)
`coder.noImplicitExpansionInFunction`	Disable implicit expansion within the specified function in the generated code (R2021b 이후)
`coder.read`	Read data files at run time in generated code (R2023a 이후)
`coder.write`	Create data files that the generated code reads at run time (R2023a 이후)

도움말 항목

컴파일 지시문 %#codegen
MATLAB^® 함수가 코드 생성을 위한 것임을 표시합니다.
Generate Code With Implicit Expansion Enabled
The code generator introduces modifications in the generated code to accomplish implicit expansion.
Optimize Implicit Expansion in Generated Code
Implicit expansion in the generated code is enabled by default.
Code Generation for Variable Length Argument Lists
Generate code for varargin and varargout.
Generate Code for arguments Block That Validates Input and Output Arguments
Generate code for MATLAB code that constrains class, size, and other aspects of function input and output values.
Code Generation for Recursive Functions
Use recursive functions in MATLAB code that is intended for code generation.
Force Code Generator to Use Run-Time Recursion
Rewrite your MATLAB code so that the code generator uses run-time recursion instead of compile-time recursion.
Code Generation for Anonymous Functions
Use anonymous functions in MATLAB code intended for code generation.
Code Generation for Nested Functions
Use nested functions in MATLAB code intended for code generation.
Resolution of Function Calls for Code Generation
The code generator uses precedence rules to resolve function calls.
Resolution of File Types on Code Generation Path
The code generator uses precedence rules to resolve file types.
Use MATLAB Engine to Execute a Function Call in Generated Code
If a function is not supported for code generation, declare it as extrinsic to execute in MATLAB.

문제 해결

Nonconstant Index into varargin or varargout in a for-Loop

Force loop unrolling when the code generator cannot determine the value of the index into varargin or varargout.

Avoid Duplicate Functions in Generated Code

Reduce the occurrence of duplicate functions in the generated code.

Output Variable Must Be Assigned Before Run-Time Recursive Call

Troubleshoot output variable assignment for run-time recursion.

Compile-Time Recursion Limit Reached

Troubleshoot compile-time recursion limit error.

Resolve Error: Size Mismatches

Troubleshoot size mismatch errors that occur during code generation.