Excel Function
CubicSplineInterpolate
Description:
A natural cubic spline with continuous second derivative in the interior and zero second derivative at the end points. Interpolate at point t.
Excel Function Syntax:
CubicSplineInterpolate(xValues, yValues, t)
Online Calculator:
| Parameter | Value | Description |
|---|---|---|
| xValues | The x values. | |
| yValues | The y values. | |
| t | Point t to interpolate at. | |
| Result |
Related Functions
12 items
CubicSplineDifferentiate
A natural cubic spline with continuous second derivative in the interior and zero second derivative at the end points. Differentiate at point t.
CubicSplineIntegrate
A natural cubic spline with continuous second derivative in the interior and zero second derivative at the end points. Integrate up to point t.
CubicSplineIntegrateT1T2
A natural cubic spline with continuous second derivative in the interior and zero second derivative at the end points. Integrate from point t1 up to point t2.
CubicSplinesIntersection
x value of intersection point between two cubic splines.
DataDifferentiate
Derivative for data samples at point t with smoothing.
LinearSplineDifferentiate
Linear Spline Interpolation Algorithm. Differentiate at point t.
LinearSplineIntegrate
Linear Spline Interpolation Algorithm. Integrate up to point t.
LinearSplineIntegrateT1T2
Linear Spline Interpolation Algorithm. Integrate from point t1 up to point t2.
LinearSplineInterpolate
Linear Spline Interpolation Algorithm. Interpolate at point t.
LinearSplinesIntersection
x value of intersection point between two linear splines.
ProximalInterpolate
Proximal (Nearest-neighbor) Interpolation Algorithm. Interpolate at point t.
StepInterpolate
Step Interpolation Algorithm. Interpolate at point t.