Fixed-Point Specification in Simulink

Create and use fixed-point data types in Simulink^® models

Use fixdt and Simulink.NumericType to specify fixed-point data types in Simulink models.

Functions

fixdt Create Simulink.NumericType object describing a fixed-point or floating-point data type

Simulink.NumericType Specify floating-point, integer, or fixed-point data type

Fixed-Point Numbers in Simulink
Fixed-point data type and scaling notation used in Simulink.
Display Port Data Types
Three parts of the port display for fixed-point signals: the data type, the number of bits, and the scaling.
Pass Fixed-Point Data Between Simulink Models and MATLAB
Reading fixed-point data from MATLAB^® into your Simulink models, and logging fixed-point information from your models and simulations to the workspace.
Configure Blocks with Fixed-Point Output
Fixed-point model creation by configuring Simulink blocks to output fixed-point signals.
Rounding Modes for Fixed-Point Simulink Blocks
Fixed-point Simulink blocks support seven different rounding modes.
Model Multiple Data Type Behaviors Using a Data Dictionary
Example showing how to use referenced data dictionaries to store multiple sets of data types for a model.
Sharing Fixed-Point Models
Data type override settings for sharing and editing a model containing fixed-point blocks without the Fixed-Point Designer™ software.
Data Type Support
Lists the data types supported by the API and discusses the treatment of integers and data-type-overridden signals.

Develop and verify a simple fixed-point algorithm.