Name

atanh — return the inverse hyperbolic tangent of a value

Synopsis

atanh( in x double precision);
 

Description

atanh returns the inverse hyperbolic tangent (area hyperbolic tangent) of x. The argument is converted to an IEEE 64-bit float and the result is of that type.

Parameters

x

Value in the open interval (-1, 1), as double precision.

Return Types

atanh returns a double precision value.

Examples

Example 24.522. Simple example

SQL> select atanh(0);
unnamed
DOUBLE PRECISION NOT NULL
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                        0

1 Rows. -- 0 msec.
SQL>
      

See Also

acosh, asinh, tanh


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