Meaning of Kronecker delta

Kro'necker del'ta

Pronunciation: [key]
— Math. Math.
  1. a function of two variables, i and j, which equals 1 when the variables have the same value, i = j, and equals 0 when the variables have different values, i &nE; j.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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