About the Project
NIST
6 Exponential, Logarithmic, Sine, and Cosine Integrals Properties 6.3 Graphics

Figure 6.3.3 (See in context.)

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.
Colormap
Viewpoint
Scale Figure
Cutting Control