rot90()

Core Math

rot90() is a MATLAB®-compatible core math function for rotate a matrix counterclockwise by 90 degrees, or by k*90 degrees. Run it online in your browser with SimLab — free, no install, no license required.

Rotate a matrix counterclockwise by 90 degrees, or by k*90 degrees.

▶ Try rot90() in SimLab — Free

Syntax

rot90(A)

rot90(A, k)

Examples — run rot90() in your browser

rot90([1 2; 3 4])

▶ Run

rot90([1 2; 3 4], 2)

▶ Run

More Core Math Functions

Browse other free, MATLAB®-compatible core math functions in SimLab:

linspace()logspace()randn()rand()eye()zeros()

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Frequently Asked Questions about rot90()

Is the rot90() function free to use in SimLab?

Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run rot90() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.

Do I need to install MATLAB to use rot90()?

No. SimLab runs entirely in your web browser with zero installation. The rot90() function works without any MATLAB® license or software download.

What does rot90() do?

Rotate a matrix counterclockwise by 90 degrees, or by k*90 degrees. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: rot90(A).

Can I run rot90() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls rot90(), and run it. Execution happens locally in your browser — no data leaves your machine.

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