tf_invert: Invert a 'tf' vector

In tf: S3 Classes and Methods for Tidy Functional Data

Invert a tf vector

Description

Computes the functional inverse of each function in the tf vector, such that if y = f(x), then x = f^{-1}(y).

Usage

tf_invert(x, ...)

Arguments

x	a tf vector.
...	optional arguments for the returned object, see tfd() / tfb()

Value

a tf vector of the inverted functions.

Examples

arg <- seq(0, 2, length.out = 50)
x <- tfd(rbind(2 * arg, arg^2), arg = arg)
x_inv <- tf_invert(x)
layout(t(1:2))
plot(x, main = "original functions", ylab = "")
plot(x_inv, main = "inverted functions", ylab = "", points = FALSE)

tf documentation built on April 7, 2026, 5:07 p.m.