Introduction - If you have any usage issues, please Google them yourself
mat lab code for elim
elim E*A = R factorization.
E = elim(A) returns the elimination matrix E
that gives the reduced row echelon form E*A = R.
If A is square and invertible, then E = inv(A).
[E, R] = elim(A) returns the elimination matrix E
and the reduced row echelon form R.