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# Symbolic Discrete Delta Function

10 Feb 2012

Discrete delta function for symbolic operations

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Description

This function takes two integer valued arguments and returns 1 if they are equal and 0 otherwise. The computation is done symbolically so the result is not actually returned as a number but as a symbolic expression for substituting symbolic values if required.

$$f(a,b) := 1_{a = b}, \mbox{ for } a,b \in Z.$$

Optional invert-input argument is also provided.

Required Products Symbolic Math Toolbox
MATLAB release MATLAB 7.12 (R2011a)
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Updates
10 Feb 2012

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