Tangential decomposition and its generalization
We present a preconditioner for large systems of linear equations based on the incomplete block decomposition for block-tridiagonal matrices. This method generalizes frequency-filtering method of G. Wittum [1] and methods developed in [2–4] etc.
1. Wittum G. Filternde Zerlegungen-Schnelle Löser für grosse Gleichungssysteme// Teubner Skripten ...
