cumsum()

Core Math

cumsum() is a MATLAB®-compatible core math function for cumulative sum of array elements. Run it online in your browser with SimLab — free, no install, no license required.

Cumulative sum of array elements.

▶ Try cumsum() in SimLab — Free

Syntax

cumsum(x)

Examples — run cumsum() in your browser

cumsum([1, 2, 3, 4, 5])

▶ Run

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Frequently Asked Questions about cumsum()

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

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

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

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

What does cumsum() do?

Cumulative sum of array elements. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: cumsum(x).

Can I run cumsum() in my browser?

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

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