Question: GaussianElimination

Hello!

I'm studying Computational Mechanic at the Technical University in Munich. Would you please be so kind and help solving this. During my study I'm encountered with Dimensionless Analysis which I do with Buckingham Pi-Theorem. There I have to set up a matrix, each of the colums get a name wich refers to a certain physical quantity. When you are applying the Buckinham Theorem, in most case you are dealing with a rank defiecient matrix. so many of the columns of my Matrix become zero after the GJ-elimination, but I'm actually interested in the designations of the columns. Is it possible to name the columns and see where they are after the GJ-elimination?

Thank you
powermetal114

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