drawing points on simplex?

hi all,

i would like to draw points on the 3-d simplex, like that of a
dirichlet distribution with 3 parameters. in other words, all i want
to draw are three axes that go from 0 to 1 and make a triangular
shape, such that each point on the triangular region the three axes
form uniquely determines a point on the simplex.

is there an easy way to do this in matplotlib? just to be clear, i
dont want to draw a density/distribution over the simplex, but just
individual points on it. so really all i want are three ordinary axes
that happen to intersect and make a triangle.

thanks very much.

http://www.nabble.com/Re%3A-Three-Phase-Diagrams-with-matplotlib-p25122618.html

Maybe this is close to what you want?

-JJ

ยทยทยท

On Sun, Oct 18, 2009 at 8:23 PM, per freem <perfreem@...287...> wrote:

hi all,

i would like to draw points on the 3-d simplex, like that of a
dirichlet distribution with 3 parameters. in other words, all i want
to draw are three axes that go from 0 to 1 and make a triangular
shape, such that each point on the triangular region the three axes
form uniquely determines a point on the simplex.

is there an easy way to do this in matplotlib? just to be clear, i
dont want to draw a density/distribution over the simplex, but just
individual points on it. so really all i want are three ordinary axes
that happen to intersect and make a triangle.

thanks very much.

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