Newton forward difference method is better for points which are closer to x0, while Newton backward difference method is better for points which are closer to xn. I dont want any example. I want formal logic.
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Is this the same question as https://math.stackexchange.com/questions/4106126/selection-of-suitable-newton-interpolation-for-equispaced-points? – Lutz Lehmann Apr 19 '21 at 08:18
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Yes this is the same question – Soumya Apr 20 '21 at 16:27