integral()

Core Math

integral() is a MATLAB®-compatible core math function for numerical integration using composite simpson's rule (1000 fixed steps). may be inaccurate for functions with singularities at endpoints. Run it online in your browser with SimLab — free, no install, no license required.

Numerical integration using composite Simpson's rule (1000 fixed steps). May be inaccurate for functions with singularities at endpoints.

▶ Try integral() in SimLab — Free

Syntax

integral(fun, a, b)

Examples — run integral() in your browser

integral(@(x) x.^2, 0, 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 integral()

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

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

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

What does integral() do?

Numerical integration using composite Simpson's rule (1000 fixed steps). May be inaccurate for functions with singularities at endpoints. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: integral(fun, a, b).

Can I run integral() in my browser?

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