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Heads up for a hot new root seeking algorithm!!
01-18-2017, 09:47 AM
Post: #9
RE: Heads up for a hot new root seeking algorithm!!
The paper pointed by Claudio shows how the authors use a numerical computation to ascertain the order of convergence of the algorithm. I think that such approach can be used here to estimate the order of convergence of Namir's algorithm not needing a, perhaps cumbersome, rigorous demonstration. Provided, of course, you have a math software capable to work with high precision numbers (say Mathematica).

Knowing the order of convergence, the efficiency index can be calculated, perhaps a better metric to compare algorithms.

In any way, AFAIK, the basic (Newton based) Ostrowsky's algorithm has a convergence order of 4, not 3.
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RE: Heads up for a hot new root seeking algorithm!! - emece67 - 01-18-2017 09:47 AM



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