heatmap()

Plotting

heatmap() is a MATLAB®-compatible plotting function for heatmap visualization of a 2d matrix. Run it online in your browser with SimLab — free, no install, no license required.

Heatmap visualization of a 2D matrix.

▶ Try heatmap() in SimLab — Free

Syntax

heatmap(Z)

Examples — run heatmap() in your browser

heatmap(rand(10, 10))

▶ Run

More Plotting Functions

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

plot()scatter()bar()barh()fplot()histogram()

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Frequently Asked Questions about heatmap()

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

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

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

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

What does heatmap() do?

Heatmap visualization of a 2D matrix. It is a MATLAB®-compatible plotting function available in SimLab with the same calling syntax as MATLAB® — typically: heatmap(Z).

Can I run heatmap() in my browser?

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

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