isnan()

Core Math

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

Check for NaN values.

▶ Try isnan() in SimLab — Free

Syntax

isnan(x)

Examples — run isnan() in your browser

isnan(0/0)

▶ Run

isnan(1)

▶ Run

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Frequently Asked Questions about isnan()

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

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

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

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

What does isnan() do?

Check for NaN values. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: isnan(x).

Can I run isnan() in my browser?

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

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