Description Usage Arguments Details Value Author(s) References Examples
Return parametric version of ellipse from equation of an ellipse.
1 |
a |
numeric |
b |
numeric |
c |
numeric |
d |
numeric |
f |
numeric |
g |
numeric |
General quadratic equation is, a x^2 + 2 b x y + c y^2 + 2 d x + 2 f y + g = 0
vector=c(ap, bp, phi)
Jonathan M. Lees<jonathan.lees@unc.edu>
<http://mathworld.wolfram.com/Ellipse.html>
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