surf()

Plotting

surf() is a MATLAB®-compatible plotting function for 3d surface plot. x, y are 2d grids (from meshgrid), z is height. Run it online in your browser with SimLab — free, no install, no license required.

3D surface plot. X, Y are 2D grids (from meshgrid), Z is height.

▶ Try surf() in SimLab — Free

Syntax

surf(X, Y, Z)

Examples — run surf() in your browser

g = meshgrid(linspace(-3,3,30), linspace(-3,3,30)); surf(g.X, g.Y, g.X)

▶ Run

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Frequently Asked Questions about surf()

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

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

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

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

What does surf() do?

3D surface plot. X, Y are 2D grids (from meshgrid), Z is height. It is a MATLAB®-compatible plotting function available in SimLab with the same calling syntax as MATLAB® — typically: surf(X, Y, Z).

Can I run surf() in my browser?

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

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