#### Index determination of DAEs

René Lamour

Preprint series: Institut für Mathematik, Humboldt-Universität zu Berlin (ISSN 0863-0976)

65L80 Methods for differential-algebraic equations
65F20 Overdetermined systems, pseudoinverses
Abstract

The index definition of DAEs with properly stated leading term bases on a matrix sequence with suitably chosen projectors. A way of realization of this matrix sequence is presented, it includes the calculation of suitable projectors using generalized inverses of the sequence matrices.

Keywords:Dae, index determination, generalized inverse