Digital Library of Mathematical Functions
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4 Elementary FunctionsLogarithm, Exponential, Powers4.3 Graphics

Figure 4.3.2 (See in context.)

See accompanying text
(i) z-plane (ii) w-plane
A B C \overline{\mathrm{C}} D \overline{\mathrm{D}} E \overline{\mathrm{E}} F
z 0 r r+i\pi r-i\pi i\pi -i\pi -r+i\pi -r-i\pi -r
w 1 e^{r} -e^{r}+i0 -e^{r}-i0 -1+i0 -1-i0 -e^{{-r}}+i0 -e^{{-r}}-i0 e^{{-r}}
Figure 4.3.2: Conformal mapping of exponential and logarithm. w=e^{z}, z=\mathop{\ln\/}\nolimits w.