ppval()
Curve Fitting
ppval() is a MATLAB®-compatible curve fitting function for evaluate a piecewise-polynomial structure (from mkpp/pchip/spline) at query points. Run it online in your browser with SimLab — free, no install, no license required.
Evaluate a piecewise-polynomial structure (from mkpp/pchip/spline) at query points.
Syntax
y = ppval(pp, xq)
Examples — run ppval() in your browser
ppval(pchip([0 1 2 3], [0 1 4 9]), 1.5)▶ Run
See Also
Frequently Asked Questions about ppval()
Is the ppval() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run ppval() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use ppval()?
No. SimLab runs entirely in your web browser with zero installation. The ppval() function works without any MATLAB® license or software download.
What does ppval() do?
Evaluate a piecewise-polynomial structure (from mkpp/pchip/spline) at query points. It is a MATLAB®-compatible curve fitting function available in SimLab with the same calling syntax as MATLAB® — typically: y = ppval(pp, xq).
Can I run ppval() in my browser?
Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls ppval(), and run it. Execution happens locally in your browser — no data leaves your machine.
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