parabola.invarclength | R Documentation |
Inverse arc length of a parabola y=x^2/4f
parabola.invarclength(x1, s, f)
x1 |
co-ordinate of start of arc |
s |
length of parabola arc to follow |
f |
focal length of parabola |
x co-ordinate of end of arc
David Sterratt
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