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retistruct (version 0.6.3)

parabola.arclength: Arc length of a parabola y=x^2/4f

Description

Arc length of a parabola y=x^2/4f

Usage

parabola.arclength(x1, x2, f)

Arguments

x1

x co-ordinate of start of arc

x2

x co-ordinate of end of arc

f

focal length of parabola

Value

length of parabola arc