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.