rng()

Core Math

rng() is a MATLAB®-compatible core math function for set random number generator seed for reproducible results. uses mulberry32 prng. call rng("default") to restore non-deterministic mode. Run it online in your browser with SimLab — free, no install, no license required.

Set random number generator seed for reproducible results. Uses mulberry32 PRNG. Call rng("default") to restore non-deterministic mode.

▶ Try rng() in SimLab — Free

Syntax

rng(seed)

rng("default")

Examples — run rng() in your browser

rng(42); rand()

▶ Run

rng(42); randn(1, 5)

▶ Run

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Frequently Asked Questions about rng()

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

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

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

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

What does rng() do?

Set random number generator seed for reproducible results. Uses mulberry32 PRNG. Call rng("default") to restore non-deterministic mode. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: rng(seed).

Can I run rng() in my browser?

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

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