iprBarycentricRational {interpolators}

Barycentric rational interpolator

Description

Barycentric rational interpolator.

Usage

iprBarycentricRational(x, y, ao = 3)

Arguments

x, y

numeric vectors giving the coordinates of the known points, without missing value

ao

approximation order, an integer greater than or equal to 3

Details

See Barycentric rational interpolation.

Value

An interpolator, for usage in evalInterpolator.

Examples

library(interpolators)
x <- c(1, 2, 4, 5)
y <- x^2
ipr <- iprBarycentricRational(x, y)
evalInterpolator(ipr, c(2, 3))
evalInterpolator(ipr, c(2, 3), derivative = 1)