str2double()

Strings

str2double() is a MATLAB®-compatible strings function for convert a string (or cell/string array) to a double-precision number. returns nan for text that does not represent a number. Run it online in your browser with SimLab — free, no install, no license required.

Convert a string (or cell/string array) to a double-precision number. Returns NaN for text that does not represent a number.

Syntax

str2double(s)

Examples — run str2double() in your browser

str2double('3.14')
▶ Run
str2double({'1', '2.5', 'x'})
▶ Run

See Also

Frequently Asked Questions about str2double()

Is the str2double() function free to use in SimLab?

Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run str2double() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.

Do I need to install MATLAB to use str2double()?

No. SimLab runs entirely in your web browser with zero installation. The str2double() function works without any MATLAB® license or software download.

What does str2double() do?

Convert a string (or cell/string array) to a double-precision number. Returns NaN for text that does not represent a number. It is a MATLAB®-compatible strings function available in SimLab with the same calling syntax as MATLAB® — typically: str2double(s).

Can I run str2double() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls str2double(), and run it. Execution happens locally in your browser — no data leaves your machine.

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510+ functions. Runs in your browser. No install. No license.

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