84     typedef Matrix<Index,Dynamic,1> IndexVector;  typedef
384     IndexVector m_etree; // Column elimination tree 
445   IndexVector firstRowElt;  in analyzePattern()
450     IndexVector post, iwork;   in analyzePattern()
504   typedef typename IndexVector::Scalar Index;   in factorize()
550   IndexVector segrep(m); segrep.setZero();  in factorize()
551   IndexVector parent(m); parent.setZero();  in factorize()
552   IndexVector xplore(m); xplore.setZero();  in factorize()
553   IndexVector repfnz(maxpanel);  in factorize()
554   IndexVector panel_lsub(maxpanel);  in factorize()
555   IndexVector xprune(n); xprune.setZero();  in factorize()
556   IndexVector marker(m*internal::LUNoMarker); marker.setZero();  in factorize()
571   IndexVector relax_end(n);  in factorize()
590   IndexVector panel_histo(n);  in factorize()
624       VectorBlock<IndexVector> panel_lsubk(panel_lsub, k, m);  in factorize()
625       VectorBlock<IndexVector> repfnz_k(repfnz, k, m);   in factorize()
636       VectorBlock<IndexVector> segrep_k(segrep, nseg1, m-nseg1);   in factorize()