English edit

Etymology edit

non- +‎ convergence

Noun edit

nonconvergence (uncountable)

  1. Failure to converge.
    • 2015, Cao Lu, Tristan Delaney, Xiangmin Jiao, “OPINS: An Orthogonally Projected Implicit Null-space Method for Singular and Nonsingular Saddle-point Systems”, in arXiv[1]:
      Some alternatives, notably constraint-preconditioned or projected Krylov methods, are relatively efficient, but they can suffer from numerical instability and even nonconvergence.