The numerical solution of Hessenberg form differential-algebraic equations by variable stepsize, generalized backward difference formulae (GBDF) is studied. GBDF methods of sufficiently high order are shown to converge for problems of index 3 and 4. The proof techniques developed are not sufficiently powerful to show convergence for index 5 problems, although it is speculated that convergence also occurs for these problems.
机构:Univ Calif Santa Barbara, Dept Mech & Environm Engn, Santa Barbara, CA 93106 USA
Zhu, WJ
Petzold, LR
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Univ Calif Santa Barbara, Dept Mech & Environm Engn, Santa Barbara, CA 93106 USAUniv Calif Santa Barbara, Dept Mech & Environm Engn, Santa Barbara, CA 93106 USA