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I have an array of time variables t(1), t(2), ..., t(n). and corresponding variables v(1), v(2), ..., v(n). Given a time tx, I would like to efficiently find between which interval (t(i), t(i+1)] does the number lie. Correspondingly, the variable vx needs to be interpolated which can be done easily afterwards.

P.S: The time t(i=1) is initialized with t1 and is always increasing and greater than zero.

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    $\begingroup$ Do you know binary search? $\endgroup$
    – Tassle
    Aug 23, 2019 at 19:33
  • $\begingroup$ @Tassle: Thanks, I am vaguely aware of it and will look into. After posting question, I realize that there is some predictability meaning that the search interval will keep shrinking if I store the index i, since time is always increasing. $\endgroup$
    – SKPS
    Aug 23, 2019 at 19:38

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