Calculates ex -
1. For values of x close to 0, the exact sum of
expm1(x) + 1 is much closer to the true
result of ex
than exp(x).
Function Traits: FieldComputationFunction
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
as | string | optional | _expm1 | The name of the output field. |
field[a] | string | required | The name of the input field. | |
The parameter name for field can be omitted; the following forms are equivalent:
logscale
math:expm1("value")and:
logscale
math:expm1(field="value")