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how to generate random points in a line

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imola
imola on 4 Feb 2015
Edited: imola on 17 Feb 2015
Dear All,
I need to generate points on a line.
can anyone help me please with any suggestion, I found just one and I need at least 10 points.
Thanks for any help.
Regards,
Imola

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Accepted Answer

Udit Gupta
Udit Gupta on 4 Feb 2015
For each line (edge) of the polyhedron you can write it's equation as
(y - y1) = (y1 - y2)(x - x1)/(x1 - x2)
So in case of edge from vertex (0, 2) to (1, 0) you can generate it as -
x = (1 - 0) * rand(n,1) + 0 ; %(x2-x1)*(n random number)+x1
y = (2 - 0)/(0 - 1) * (x - 0) + 2 ; % (y1-y2)/(x1-x2)*(x-x1) + y1
Here 'n' is the number points you need to generate on the edge. You can do it for each pair of adjacent vertices in a loop.

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