Cubic Spline Model Displays a cubic spline and its derivatives
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Cubic Spline Model Tags

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Cubic Spline Model Description

This Java application was designed to enable you to study cubic splines. The model constructs N third-order piecewise continuous polynomialz (cubic splines) that connect N data points (nodes) with unit separation. Polynomial coefficients are chosen such that the resulting curve and its first derivative are smooth at the nodes. Users can drag the nodes and observe the resulting curve. Radio buttons display first and second derivative curves. Note that the second derivative curve consists of line segments because the second derivative of a piecewise cubic polynomial is a piecewise first order polynomial.

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