SQL Server ATANH Function

Updated 2024-03-23 22:07:39.277000

Description

Use the scalar function ATANH to calculate the inverse hyperbolic tangent of a number. The number must be between -1 and 1 (excluding -1 and 1).

Syntax

SELECT [westclintech].[wct].[ATANH] (
   <@Number, float,>)

Arguments

@Number

is any real number greater than -1 and less than 1. @Number is an expression of type float or of a type that can be implicitly converted to float.

Return Type

float

Remarks

ATANH = Log((1 + @Number) / (1 - @Number)) / 2.

Examples

SELECT wct.ATANH(cos(45));

Here is the result set.