KASH3 Ref - EchelonForm

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| ### Function EchelonForm ( elt-alg^mat X ) -> elt-alg^mat, elt-alg^mat ### Optional Arguments
Results | elt-ord^rat |  | 1 <= Results <= 2
### Description The echelon form E of X, together with an invertible transformation matrix T such that E = T * X. ### Examples x_m := Matrix(Z,3,3,[2,-3,1,5,7,1,1,3,5]); EchelonForm(x_m);
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