Math 2.0

Sequences, series, summability Absolute and conditional convergence, rearrangements, products of series Concept

Cauchy product

Summary

The Cauchy product of two series is the series whose nn-th term is the sum of the products akbn−ka_k b_{n-k}. It is the discrete convolution of the two sequences of terms. The node Cauchy product gives the precise definition.

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Further reading

  1. Web https://en.wikipedia.org/wiki/Cauchy_product, lead section
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