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4
Elementary Functions
Logarithm, Exponential, Powers
4.3
Graphics
4.3
Graphics
4.4
Special Values and Limits
Figure 4.3.3
(See
in context
.)
3D
Help
Figure 4.3.3:
ln
(
x
+
i
y
)
(principal value). There is a branch cut along the negative real axis.
3D
Help
ⓘ
Annotations:
Symbols:
i
: imaginary unit
,
ln
z
: principal branch of logarithm function
,
x
: real variable
and
y
: real variable
Keywords:
complex argument
,
graphics
,
logarithm function
Permalink:
http://dlmf.nist.gov/4.3.F3.mag
Encodings:
Magnified png
,
Vizualization
,
pdf
See also:
Annotations for
§4.3
and
Ch.4