SQLite atanh() Function

The SQLite atanh() function returns the inverse hyperbolic tangent of the specified number.

Syntax

Here is the syntax of the SQLite atanh() function:

atanh(number)

number: Required. A number used to compute the inverse hyperbolic tangent. It must be between -1 and 1 (inclusive).

The SQLite atanh() function returns the inverse hyperbolic tangent of the specified number.

If the value of the parameter is not between -1 and 1 (including -1 and 1), the atanh() function returns NULL.

If the parameter number is NULL, the atanh() function will return NULL.

This example shows the basic usage of the SQLite atanh() function:

SELECT
    atanh(-1),
    atanh(-0.5),
    atanh(0),
    atanh(0.5),
    atanh(1);

  atanh(-1) = -Inf
atanh(-0.5) = -0.549306144334055
   atanh(0) = 0.0
 atanh(0.5) = 0.549306144334055
   atanh(1) = Inf