Re^3: Subroutine not correct (I think)

The 3D-Pythagorean formula is fundamentally correct ... http://freespace.virgin.net/hugo.elias/routines/r_dist.htm ... but you appear to be subtracting a coordinate from itself, hence always zeros.

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Re^4: Subroutine not correct (I think) by jcklasseter (Sexton) on Jun 17, 2015 at 13:25 UTC
I get the 'Subract X from itself and get 0' part. But what I don't get is how to fix the code to have it do what I want; I.E x2-x1 iteratively.	[reply]


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