Expander code: Difference between revisions

Revision as of 07:05, 10 December 2021

Revision as of 22:05, 10 December 2021

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==Rate==

The rate of <math>C\,</math> is its dimension divided by its block length. In this case, the parity check matrix has size <math>m \times n\,</math>, and hence <math>C\,</math> has dimensionrate at least <math>(n-m)/n = 1 - \tfrac{m}{n}\,</math>.

==Distance==