Some of the things I've learned every day since Oct 10, 2016
90: The Standard (Unit) Simplex
January 11, 2017Posted by on
The standard -simplex, sometimes denoted , is the -simplex in with its vertices at the ‘unit’ points
For example, is the point in , is the line segment from to in , and so on. A formal description is
One possible interpretation of is as the set of possible probability distributions of a categorical distribution on variables.