ATANH
Undoes TANH: for a number strictly between -1 and 1, the value that has it as its hyperbolic tangent.
Group: Math. Compatible with DAX.
Syntax
ATANH ( <number> )| Parameter | Type | Description |
|---|---|---|
number | Number | A number between -1 and 1, the two ends left out. |
Returns
Number. The number whose hyperbolic tangent is the number given.
Remarks
- -1, 1 and anything beyond them are errors.
- A blank gives BLANK.
- It undoes
TANH.
Examples
Inverse hyperbolic tangents
EVALUATE
ROW (
"Of 0.5", ATANH ( 0.5 ),
"Of -0.5", ATANH ( -0.5 ),
"Of blank", ATANH ( BLANK () )
)| Of 0.5 | Of -0.5 | Of blank |
|---|---|---|
| 0.549306144334055 | -0.549306144334055 | (blank) |