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?

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

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

No. SimLab’s core parser, workspace state, and most functions run locally in your browser. The cumsum() function requires no MATLAB® license or desktop 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. This function’s calculation runs locally in the browser. SimLab session analytics, sharing, feedback, and eligible acceleration have separate network boundaries.

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