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Foil 13 Relation of Artificial Time and Matrix Preconditioning

From Spatial Differencing and ADI Solution of the NAS Benchmarks CPSP713 Case studies in Computational Science -- Spring Semester 1996. by Geoffrey C. Fox
The matrix form of Preconditioning was to replace
By the form:
Which has obvious Similarities with the artificial time form:
Exploiting analogy between and P, we can relate particular approachs to solving the implicit equations of CFD to particular preconditioning schemes for the steady state equations

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