Description:

CubicSplineInterpolate - CubicSplineInterpolate - 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

All functions from Utilities category

# Function Description
1 UnitConverter UnitConverter - Converts a number from one measurement system to another.
2 SG2API SG2API - Converts a oil specific gravity to API gravity
3 API2SG API2SG - API2SG - Converts a API gravity to oil specific gravity (water=1.0)
4 DataDifferentiate DataDifferentiate - Derivative for data samples at point t with smoothing.
5 ExpIntegralEi ExpIntegralEi - The exponential integral function - Ei(x)
6 ProximalInterpolate ProximalInterpolate - Proximal (Nearest-neighbor) Interpolation Algorithm. Interpolate at point t.
7 CubicSplineInterpolate CubicSplineInterpolate - CubicSplineInterpolate - A natural cubic spline with continuous second derivative in the interior and zero second derivative at the end points. Interpolate at point t.
8 CubicSplineDifferentiate CubicSplineDifferentiate - A natural cubic spline with continuous second derivative in the interior and zero second derivative at the end points. Differentiate at point t.
9 CubicSplineIntegrate 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.
10 CubicSplineIntegrateT1T2 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.
11 CubicSplinesIntersection CubicSplinesIntersection - x value of intersection point between two cubic splines.
12 LinearSplineInterpolate LinearSplineInterpolate - Linear Spline Interpolation Algorithm. Interpolate at point t.
13 LinearSplineDifferentiate Linear Spline Interpolation Algorithm. Differentiate at point t.
14 LinearSplineIntegrate Linear Spline Interpolation Algorithm. Integrate up to point t.
15 LinearSplineIntegrateT1T2 Linear Spline Interpolation Algorithm. Integrate from point t1 up to point t2.
16 LinearSplinesIntersection LinearSplinesIntersection - x value of intersection point between two linear splines.
17 StepInterpolate Step Interpolation Algorithm. Interpolate at point t.