isfinite()

Core Math

isfinite() is a MATLAB®-compatible core math function for check for finite values (not nan or inf). Run it online in your browser with SimLab — free, no install, no license required.

Check for finite values (not NaN or Inf).

Syntax

isfinite(x)

Examples — run isfinite() in your browser

isfinite(1)
▶ Run
isfinite(1/0)
▶ Run

See Also

More Core Math Functions

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Frequently Asked Questions about isfinite()

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

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

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

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

What does isfinite() do?

Check for finite values (not NaN or Inf). It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: isfinite(x).

Can I run isfinite() in my browser?

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

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