Is there a way to find the echelon form of a matrix in Mathematica? I see there is a function to find the reduced echelon form,
RowReduce, but I can't see anything for the echelon or upper triangular form?
Possibly what you want is the "U" part of an LU factorization. I'll illustrate using the same example as in another response. The code is pretty much straight out of the documentation for
I learned from this thread that you can use
(Please see comments for more details about what