K ( u ) = ∑ j = 1 N ∑ i = 1 L { H ( i , D , L , S ) ← L B ( i , x j ) < u < U B ( i , x j ) 0 ← o t h e r w i s e       E q u a t i o n   2 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=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@7F88@