From: <HIDDEN>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Creating Vectors and Finding the angle
Date: Mon, 7 Nov 2011 15:58:14 +0000 (UTC)
Organization: Univ of Edinburgh
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"Peter" wrote in message <j98uv3$9f4$>...
> Im using motion analysis to determine the angle of the arm during an activity. I have the (x,y,z) coordinates of the shoulder, elbow and wrist. How can i turn these into vectors and determine the angle?

Angle relative to what?

To turn them into vectors, read the file they are stored in into Matlab. They will then be a list of vectors stored in a matrix.