Figure 2. The quaternionic potential Logp. Orthogonal stream and potential surfaces: S for K2=0,69 and φ1 for K12=13. The curves of intersection are highlighted by blue color

From

Essentially Adequate Concept of Holomorphic Functions in Quaternionic Analysis

Michael Parfenov

American Journal of Mathematical Analysis. 2020, 8(1), 14-30 doi:10.12691/ajma-8-1-3