DLMF:

Figure 4.3.3 (See in context.)

Figure 4.3.3: $\mathop{\ln\/}\nolimits\!\left(x+iy\right)$ (principal value). There is a branch cut along the negative real axis.

Symbols:: $\mathop{\ln\/}\nolimits z$ : principal branch of logarithm function, : real variable and : real variable
Keywords:: logarithm function
Permalink:: http://dlmf.nist.gov/4.3.F3.mag
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