MATLAB Function Reference |
Compute log(1+x)
accurately for small values of x
Syntax
Description
y = log1p(x)
computes log(1+x)
, compensating for the roundoff in 1+x
. log1p(x) is more accurate than log(1+x) for small values of x. For small x
, log1p(x)
is approximately x
, whereas log(1+x)
can be zero.
See Also
log10 | log2 |
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