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Question: Listing the Unique Columns of a Matrix

Question:Listing the Unique Columns of a Matrix

wingjammer 40 Maple
August 07 2014
1

I have a matrix with repeated columns

with(LinearAlgebra):

Q := Matrix([1,1,1,0,0,0,-2,-1],[0,0,0,1,1,1,0,-3]);

I'd like to write a loop that defines u[1],...,u[n] to be the unique columns of Q. Is there a way to do this?
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