2. Images of the construction of multifocal curves corresponding to "potential lines"-Contour lines for various "charge" configurations of n-ellipse/hyperbola
Shown here are images of the "equipotential" lines for various "charge" configurations of the [b][url=https://en.wikipedia.org/wiki/N-ellipse]n-ellipse/hyperbola[/url][/b], obtained using the [url=https://www.geogebra.org/m/vs9vqafh]applet[/url].
2-Ellipse- "Equipotential" lines for the configuration q1=1, q2=1.
2-Ellipse- "Equipotential" lines for the configuration q1=1, q2=1.5
3-Ellipse- "Equipotential" lines for the configuration q1=1, q2=1, q3=1
2 -Hyperbola. "Equipotential" lines for the configuration q1=1, q2=-1
2-Ellipse-Hyperbola. Equipotential lines for the configuration q1=-1.1, q2=1
3-Ellipse-Hyperbola. Equipotential lines for the configuration q1=1, q2=1, q3=-2.
4-Ellipse/Hyperbola. "Equipotential "lines for the configuration q1=-1 , q2=1, q3=-1, q4= 1
4-Ellipse/Hyperbola. "Equipotential "lines for the configuration q1=-1 , q2=1, q3=-1, q4= 1
4-Ellipse/Hyperbola. "Equipotential "lines for the configuration q1=-1.1, q2=1, q3=1, q4=-1
5-Ellipse/Hyperbola. "Equipotential "lines for the configuration q1=-2, q2=1, q3=1, q4=-1, q5=1
Equipotential "lines" for the configuration of 9 charges, when there is a degree of distances in their algebraic sum multiplied by the "charges" of the foci: exponenta=0.4
A family of weighted 9-ellipses
Inspired by the [url=https://www.math.ucdavis.edu/~deloera/MISC/LA-BIBLIO/trunk/nellipse.pdf]article[/url]