math.erfcinv() function

math.erfcinv() returns the inverse of math.erfc().

Function type signature

(x: float) => float

Parameters

x

(Required) Value to operate on.

x should be greater than 0 and less than 2. Otherwise the operation will return NaN.

Examples

• Return the inverse complimentary error function
• Use math.erfcinv in map

Return the inverse complimentary error function

import "math"

math.erfcinv(x: 0.42345)// 0.5660037715858239

Use math.erfcinv in map

import "math"

data
    |> map(fn: (r) => ({r with _value: math.erfcinv(x: r._value)}))