Tractrix Radial Curve
TractrixRadialCurve
The radial curve of the tractrix
x = a(t-tanht)
(1)
y = asecht
(2)
with radiant point (x_0,y_0) is the kappa curve
x_r = x_0+atanht
(3)
y_r = y_0+asinhttanht.
(4)
See also
Kappa Curve, Radial Curve, TractrixExplore with Wolfram|Alpha
WolframAlpha
Cite this as:
Weisstein, Eric W. "Tractrix Radial Curve." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/TractrixRadialCurve.html