Annotations:

Symbols:

$W\left(x\right)$: Lambert $W$-function, $\mathrm{Wm}\left(x\right)$: nonprincipal branch of Lambert $W$-function, $\mathrm{Wp}\left(x\right)$: principal branch of Lambert $W$-function, $\mathrm{e}$: base of natural logarithm and $x$: real variable

Keywords:

Lambert $W$-function, graphs, other branches, principal branch

Permalink:

http://dlmf.nist.gov/4.13.F1.mag

Encodings:

Magnified png, pdf

See also:

Annotations for §4.13 and Ch.4