Re: How to Calculatelength of an Spline curve between two points?
- To: mathgroup at smc.vnet.net
- Subject: [mg104831] Re: How to Calculatelength of an Spline curve between two points?
- From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
- Date: Wed, 11 Nov 2009 04:27:28 -0500 (EST)
- References: <hdbhcp$jj4$1@smc.vnet.net>
Assuming you want the distance between points at x1 and x2 *along the
spline* my brute force approach would be something like:
dx = 0.001;
Sum[EuclideanDistance[{x, sp[x]}, {x + dx, sp[x + dx]}], {x, x1,x2,
dx}]
Cheers -- Sjoerd
On Nov 10, 1:04 pm, alfaeco <alfa... at gmail.com> wrote:
> I need some help.
>
> Given an Interpolating function with method-> Spline.
>
> sp = Interpolation[tbl, Method -> "Spline"];
>
> How can I calculate the distance between two arbitrary points of the
> splines?