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 C¯ D D¯ E E¯ F
z 0 r r+i⁢π r−i⁢π i⁢π −i⁢π −r+i⁢π −r−i⁢π −r
w 1 er −er+i⁢0 −er−i⁢0 −1+i⁢0 −1−i⁢0 −e−r+i⁢0 −e−r−i⁢0 e−r
Figure 4.3.2: Conformal mapping of exponential and logarithm. w=ez, z=ln⁡w.
© 2010–2026 NIST / Disclaimer / Feedback; Version 1.2.8; Release date 2026-09-15.

Site Privacy Accessibility Privacy Program Copyrights Vulnerability Disclosure No Fear Act Policy FOIA Environmental Policy Scientific Integrity Information Quality Standards Commerce.gov Science.gov USA.gov