next up previous contents index
Next: maxInvertibleSubmatrix Up: LinearEliminationCategory Previous: extendedRowEchelon   Contents   Index


extendedRowEchelonForm


\begin{usage} extendedRowEchelonForm~a \end{usage}


Signature


\begin{params} {\em a} & M & A matrix whose REF has to be computed \end{params}

\begin{descr} We say that a matrix $a$\ is in REF if there are $r$\ (the rank)... ... REF and there exists a non-singular matrix $u$\ such that $ua=b$.\end{descr}

\begin{retval} Returns a REF {\em b} of {\em a} and the transformation matrix {\em u} such that $ua=b$. \end{retval}


See Also


Manuel Bronstein 2000-12-13