Iterative Refinement - Description

Description

For m = 1,2,…, the th iteration of iterative refinement consists of three steps:

  1. Compute the residual
    rm = bAxm
  2. Solve the system
    Adm = rm
  3. Add the correction
    xm+1 = xm + dm

Read more about this topic:  Iterative Refinement

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