Options🔗
- Preconditioned bi-conjugate gradient (PBiCG)
- Preconditioned conjugate gradient (PCG)
- Stabilised preconditioned bi-conjugate gradient (PBiCGStab)
Preconditioners🔗
Preconditioners manipulate the matrix equation to a form that is more readily solved:
\[A P^{-1} P \vec{x} = \vec{b}\]