inverse: Create inverse function

In powestermark/pwrutilities: Various Westermark Utility Functions

Create inverse function

Description

From https://stackoverflow.com/questions/45616072/find-the-inverse-function-in-r

Usage

inverse(fn, interval = NULL, lower = min(interval), upper = max(interval), ...)

Arguments

fn	Monotonous function
interval	Vector defining the domain
lower	Numeric, inferred from interval or given explicitly here
upper	Numeric, inferred from interval or given explicitly here
...	Further parameters to uniroot()

Value

Function (vectorized) computing the inverse of fn

Examples

x <- 1:10
y <- sqrt(x)
sqrt.inv <- inverse(sqrt, lower = 1, upper = 10)
sqrt.inv(y)

powestermark/pwrutilities documentation built on Dec. 28, 2024, 4:44 a.m.