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Discontinuous multiplier

From Encyclopedia of Mathematics
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A quantity depending on one or more parameters and taking two (or more) values. For example,

Discontinuous multipliers are applied to make a formal extension of the domain of summation or integration, or to reduce a given expression to another to which given formulas or transformations can be applied. Other examples are the Dirichlet discontinuous multiplier, the Dirac delta-function, etc.

How to Cite This Entry:
Discontinuous multiplier. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Discontinuous_multiplier&oldid=17698
This article was adapted from an original article by K.Yu. Bulota (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article