sign()

Core Math

sign() is a MATLAB®-compatible core math function for sign function: returns -1, 0, or 1. Run it online in your browser with SimLab — free, no install, no license required.

Sign function: returns -1, 0, or 1.

Syntax

sign(x)

Examples — run sign() in your browser

sign(-5)
▶ Run
sign(0)
▶ Run
sign(3)
▶ Run

More Core Math Functions

Browse other free, MATLAB®-compatible core math functions in SimLab:

Browse all 510+ SimLab functions →

Frequently Asked Questions about sign()

Is the sign() 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 sign() and 510+ other MATLAB®-compatible function references at simulations4all.com/simlab.

Do I need to install MATLAB to use sign()?

No. SimLab’s core parser, workspace state, and most functions run locally in your browser. The sign() function requires no MATLAB® license or desktop software download.

What does sign() do?

Sign function: returns -1, 0, or 1. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: sign(x).

Can I run sign() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls sign(), 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 SimLab

MATLAB® 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.

Stay Updated

Get notified about new simulations and tools. We send 1-2 emails per month.