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Convergence decides _________(a) the result of the numerical method(b) the method of iteration(c) the stability of the system(d) when to stop the iterationsI have been asked this question by my college director while I was bunking the class.This interesting question is from Discretization Aspects topic in chapter Basic Aspects of Discretization, Grid Generation with Appropriate Transformation of Computational Fluid Dynamics

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Correct CHOICE is (d) when to stop the iterations

Best explanation: Iterative PROCESSES start with an initial guessed answer. This CONVERGES into the correct result as the NUMBER of iterations increases. Convergence criterion says when to stop this repeated PROCESS with acceptable error.



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