SpecFunc_LambertW¶
-
SpecFunc_LambertW
(x, principal=True)¶ Lambert W function.
The Lambert W function
is defined by the relation:
- Parameters
- xfloat
- principalbool, optional
By default, principal is True.
- Returns
- resultfloat
If principal is True :
.
is referred to as the principal branch of the Lambert W function. It denotes the upper part of the function whose domain is
and range
.
If principal is False :
.
is the second real branch of the Lambert W function. It denotes the lower part of the function whose domain is
and range
.