Command Reference
:
Function Reference
:
Function Reference: L
@log1mexp
Element Functions
Natural logarithm function of 1 minus exponential of argument
.
Syntax:
@log1mexp
(
x
)
x:
number
Return: number
Returns
.
Provides higher-precision calculation of the expression for negative
near 0 than direct evaluation using
@log(1 - @exp(x))
Examples
= @log1mexp(-0.05)
returns -3.02062....
Cross-references
See
@log
,
@log1p
,
@log10
,
@logx
,
@log2pi
.
See also
exp
and
@exp
.