About the Project
NIST
6 Exponential, Logarithmic, Sine, and Cosine IntegralsProperties6.3 Graphics
Figure 6.3.3 (See in context.) Magnify 3D Help
See accompanying text
Figure 6.3.3: |E1(x+iy)|, -4x4, -4y4. Principal value. There is a cut along the negative real axis. Also, |E1(z)| logarithmically as z0. Magnify 3D Help