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where the definition of [[Matrix#Multiplication_of_matrices|matrix multiplication]] and the above property of summation was used.
where the definition of [[Matrix#Multiplication_of_matrices|matrix multiplication]] and the above property of summation was used.
The continuous analogue of Kronecker Delta is [[Dirac delta]].
==References==
==References==
Weisstein, Eric W. "Kronecker Delta." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/KroneckerDelta.html
Weisstein, Eric W. "Kronecker Delta." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/KroneckerDelta.html