• dnaupd - Interface for the Implicitly Restarted Arnoldi Iteration, to compute approximations to a few eigenpairs of a real linear operator
  • dsaupd - Interface for the Implicitly Restarted Arnoldi Iteration, to compute approximations to a few eigenpairs of a real and symmetric linear operator
  • gmres - generalized minimum residual method with restarts
  • pcg - precondioned conjugate gradient
  • qmr - quasi minimal resiqual method with preconditioning