abs()

Core Math

abs() is a MATLAB®-compatible core math function for absolute value. Run it online in your browser with SimLab — free, no install, no license required.

Absolute value.

▶ Try abs() in SimLab — Free

Syntax

abs(x)

Examples — run abs() in your browser

abs(-5)

▶ Run

abs([-3, 4, -1])

▶ Run

More Core Math Functions

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

linspace()logspace()randn()rand()eye()zeros()

Browse all 510+ SimLab functions →

Frequently Asked Questions about abs()

Is the abs() function free to use in SimLab?

Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run abs() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.

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

No. SimLab runs entirely in your web browser with zero installation. The abs() function works without any MATLAB® license or software download.

What does abs() do?

Absolute value. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: abs(x).

Can I run abs() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls abs(), and run it. Execution happens locally in your browser — no data leaves your machine.

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.