: Users expect to be able to pass an axes handle as the first argument.
The challenge for the developer is that ax is just a variable. Without a specialized check, your code might confuse an axes handle for a data vector. This is where axescheck saves the day. How It Works: The Logic of Input Parsing
When you call [ax, args, nargs] = axescheck(varargin{:}) , the function performs a few critical tasks: axescheck
If you are writing a custom plotting utility, using axescheck ensures your function feels like a native part of the MATLAB ecosystem.
axescheck is a perfect example of MATLAB’s "hidden" infrastructure—the code that makes the software feel intuitive and consistent. While you might not use it to solve a math problem, using it in your toolbox development marks the transition from a script writer to a software toolbuilder. : Users expect to be able to pass
: If the first argument is an axes handle, axescheck strips it from the argument list. It returns the handle in one variable ( ax ) and the remaining data in another ( args ).
: It reduces "boilerplate" code. Instead of writing complex if-else blocks to figure out what the user passed, one line of axescheck handles the heavy lifting. Anatomy of a Function Using axescheck This is where axescheck saves the day
: 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:
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