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{{Short description|Mathematical operation that combines two functions on an n-dimensional lattice to produce a third n-dimensional function}}
In signal processing, '''multidimensional discrete convolution''' refers to the mathematical operation between two functions ''f'' and ''g'' on an ''n''-dimensional lattice that produces a third function, also of ''n''-dimensions. Multidimensional discrete convolution is the discrete analog of the [[convolution#Domain of definition|multidimensional convolution]] of functions on Euclidean space. It is also a special case of [[convolution#Convolutions on groups|convolution on groups]] when the [[group (mathematics)|group]] is the group of ''n''-tuples of integers.
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