The TANH function returns the hyperbolic tangent of a value.
This function can be useful to compress raw rolling forecast signals into a normalised range, smoothing out extreme outliers over time.
Syntax
TANH(Value)
Arguments
| Argument | Data type | Description |
| Value | Number | The numeric value for which you want to calculate the hyperbolic tangent. The input can be any finite number. |
The TANH() function returns a numeric value between -1 and 1, inclusive.
Calculation engine functionality differences
This function is only available in the Polaris Calculation Engine.
Syntax example
TANH(1)
Additional information
Returns NaN when Angle is NaN.
Excel equivalent
Examples
| Formula | Result |
TANH(-2) | -0.964 |
TANH(1) | 0 |
TANH(0.5) | 0.4621 |
Example 1: Price discount saturation modeling
Example 2: Market sentiment score normalisation for investment signals
Example 3: Supplier capacity utilisation signal compression
Example 4: New hire productivity ramp-up modeling
