A delta sequence is a sequence of strongly peaked functions for which
(1)
so that in the limit as , the sequences become delta functions.
Examples include
(Arfken 1985, pp. 482 and 488-489).
See alsoDelta Function Explore with Wolfram|Alpha ReferencesArfken, G. Mathematical Methods for Physicists, 3rd ed. Orlando, FL: Academic Press, 1985. Referenced on Wolfram|AlphaDelta Sequence Cite this as:Weisstein, Eric W. "Delta Sequence." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/DeltaSequence.html
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