axescheck is an internal helper function used to parse input arguments when a function can optionally take an axes handle as its first argument.
In the era of , axescheck has become even more relevant. When building apps, you almost always want to point your plotting functions to a specific UIAxes component within the app UI rather than letting them "pop out" into a new figure window. Including axescheck in your internal library functions makes them "App-ready" by default. Conclusion
If you are writing a custom plotting utility, using axescheck ensures your function feels like a native part of the MATLAB ecosystem. axescheck
plot(ax, y) — Plots specifically in the axes defined by the handle ax .
In the world of MATLAB programming, creating robust graphical functions is an art. If you've ever looked at the source code of built-in plotting functions like plot , surf , or bar , you might have stumbled upon a utility function called . While it isn't a function most casual users will ever call directly, it is a cornerstone for developers building professional-grade MATLAB tools. What is axescheck ? axescheck is an internal helper function used to
: If the first argument is not an axes handle (e.g., it's just your data
Here is a simplified look at how a professional MATLAB function might be structured: Including axescheck in your internal library functions makes
Understanding axescheck : The Unsung Hero of MATLAB Graphics Functions