Array Layout

Column-major and row-major order for array storage

Array layout refers to the order in which array elements are stored in memory. By default, Simulink^® uses column-major layout. In a MATLAB Function block, you can use row-major. Row-major layout can improve performance for certain algorithms and ease integration with external code or data that uses row-major. Linear indexing operations always use column-major layout.

Functions

`coder.ceval`	Call C/C++ function from generated code
`coder.columnMajor`	Specify column-major array layout for a function or class
`coder.rowMajor`	Specify row-major array layout for a function or class
`coder.isColumnMajor`	Determine whether the current function or variable uses column-major layout
`coder.isRowMajor`	Determine whether the current function or variable uses row-major layout

Topics

Interface with Row-Major Data in MATLAB Function Blocks
Use row-major layout for C/C++ code generation and external C code integration.
Specify Array Layout in Functions and Classes
Combine different array layouts in a single code project.
Code Design for Row-Major Array Layout
Design your code for efficient use of array layout.