i took this image from a paper that describes a multi-objective optimization algorithm where UF1 is a multi-objective function to optimize. can you explain to me what J1, J2 variables and the second line mean.

  • $\begingroup$ $J_1$ is the set of odd numbers between 2 and n, inclusive, and $J_2$ is the set of even numbers between 2 and n, inclusive. $\endgroup$ – Ispil Jun 14 at 23:22

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