TY - RPRT T1 - Rounding Errors in Solving Block Hessenberg Systems Y1 - 1998 A1 - Von Matt,Urs A1 - Stewart, G.W. KW - Technical Report AB - A rounding error analysis is presented for a divide-and-conquer algorithm to solve linear systems with block Hessenberg matrices. Conditions are derived under which the algorithm computes a backward stable solution. The algorithm is shown to be stable for diagonally dominant matrices and for M-matrices. (Also cross-referenced as UMIACS-TR-94-105) PB - Instititue for Advanced Computer Studies, Univ of Maryland, College Park VL - UMIACS-TR-94-105 UR - http://drum.lib.umd.edu/handle/1903/661 ER -