5 citations · 6 across the 4 of their papers we have counts for
Showing math.NAShow all
2 papers · 1 filter
math.NA2022★ 1 cited
A new deflation criterion for the QZ algorithm
Thijs Steel, Raf Vandebril, Julien Langou
The QZ algorithm computes the Schur form of a matrix pencil. It is an iterative algorithm and at some point, it must decide that an eigenvalue has converged and move on with anothe…
math.NA2019★ 5 cited
A multishift, multipole rational QZ method with aggressive early deflation
Thijs Steel, Daan Camps, Karl Meerbergen +1
The rational QZ method generalizes the QZ method by implicitly supporting rational subspace iteration. In this paper we extend the rational QZ method by introducing shifts and pole…