I have two number progressions that are related and I would like to know the mathematical expressions describing each of them. However, I have no idea how I could find this, and I appreciate all ideas! Below you can see both sets and the difference between them (which is also important to me).


Although A increases linearly, I can see that B increases linearly just like A though there are certain points in which it doesn't increase (Log-Linear plot below):

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I am particularly interested in finding in which points this happens. Do you have any tips for my to get any more insight into these progressions? Thanks so much

  • $\begingroup$ Did you try polynomial fitting? I am sorry as I dont know it may be an obvious advice...... $\endgroup$ – Harish Mar 9 '15 at 19:29
  • $\begingroup$ Well, yes, I tried interpolating a polynomial for B and found a big big function. Goes up to x^54 :) $\endgroup$ – Sosi Mar 9 '15 at 19:39
  • $\begingroup$ ...but I was trying to see if something simpler could work $\endgroup$ – Sosi Mar 9 '15 at 19:59

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