help()
Environment
help() is a MATLAB®-compatible environment function for display help information. with no arguments, shows all available modules and functions. with a function name, shows syntax, description, examples, and related functions. with a module name (e.g., 'core math'), lists all functions in that module. Run it online in your browser with SimLab — free, no install, no license required.
Display help information. With no arguments, shows all available modules and functions. With a function name, shows syntax, description, examples, and related functions. With a module name (e.g., 'Core Math'), lists all functions in that module.
Syntax
help
help functionName
help moduleName
Examples — run help() in your browser
See Also
Frequently Asked Questions about help()
Is the help() function free to use in SimLab?
The browser workspace requires no MATLAB® license or installation. Connected features require network access and may have account, tier, availability, or usage limits. You can open help() and 510+ other MATLAB®-compatible function references at simulations4all.com/simlab.
Do I need to install MATLAB to use help()?
No. SimLab’s core parser, workspace state, and most functions run locally in your browser. The help() function requires no MATLAB® license or desktop software download.
What does help() do?
Display help information. With no arguments, shows all available modules and functions. With a function name, shows syntax, description, examples, and related functions. With a module name (e.g., 'Core Math'), lists all functions in that module. It is a MATLAB®-compatible environment function available in SimLab with the same calling syntax as MATLAB® — typically: help.
Can I run help() in my browser?
Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls help(), and run it. This function’s calculation runs locally in the browser. SimLab session analytics, sharing, feedback, and eligible acceleration have separate network boundaries.
Try SimLab — MATLAB®-compatible, free, in your browser
510+ functions. Runs in your browser. No install. No license.
Open SimLabMATLAB® is a registered trademark of The MathWorks, Inc. SimLab is an independent project by Simulations4All and is not affiliated with, endorsed by, or sponsored by The MathWorks, Inc.