Real and imaginary part surfaces
Model 255
Description
Imaginary part surface of the function $w=\frac 2 \pi \log(\frac{z+\frac \pi 4}{z-\frac \pi 4})$
Showcase of this model is Case number 14
References
Schilling, Martin(Hrg.): Catalog mathematischer Modelle, Leipzig(Verlag von Martin Schilling) 1911, 7.Auflage, No.311. p. 160.
Separataband M1 im Mathematischen Institut p. 235.