spline()
Core Math
spline() is a MATLAB®-compatible core math function for not-a-knot cubic spline interpolation. exact at data points, smooth c2 everywhere. Run it online in your browser with SimLab — free, no install, no license required.
Not-a-knot cubic spline interpolation. Exact at data points, smooth C2 everywhere.
Syntax
spline(x, y, xq)
Examples — run spline() in your browser
spline([0, 1, 2, 3], [0, 1, 4, 9], [0.5, 1.5, 2.5])▶ Run
See Also
More Core Math Functions
Browse other free, MATLAB®-compatible core math functions in SimLab:
Frequently Asked Questions about spline()
Is the spline() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run spline() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use spline()?
No. SimLab runs entirely in your web browser with zero installation. The spline() function works without any MATLAB® license or software download.
What does spline() do?
Not-a-knot cubic spline interpolation. Exact at data points, smooth C2 everywhere. It is a MATLAB®-compatible core math function available in SimLab with the same calling syntax as MATLAB® — typically: spline(x, y, xq).
Can I run spline() in my browser?
Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls spline(), and run it. Execution happens locally in your browser — no data leaves your machine.
Try SimLab — MATLAB®-compatible, free, in your browser
510+ functions. Runs in your browser. No install. No license.
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