In MATLAB, features are usually calculated within functions that take raw data as input and return a single value or vector.
Introduction to Feature Selection - MATLAB & Simulink - MathWorks matlab-2017
: The Diagnostic Feature Designer (available via the Predictive Maintenance Toolbox ) allows you to interactively extract features and then generate MATLAB code to automate the process for future data. 3. Writing Features to Files In MATLAB, features are usually calculated within functions
In MATLAB R2017 (both and R2017b ), "writing a feature" typically refers to feature engineering for machine learning or signal processing, or creating a custom function to extract specific data characteristics. 1. Defining a Feature Extraction Function Writing Features to Files In MATLAB R2017 (both
: After writing several feature functions, you can use algorithms like Sequential Feature Selection to identify which ones are most predictive.
: You can use functions like gencfeatures to perform automated feature engineering if your data is in a table.