Doubly even code
Template:Binary linear code property
Definition
A binary linear code is said to be doubly even if the number of nonzero coordinates in every code-word (or equivalently, the number of elements in every code-word) is a multiple of 4.
Template:Binary linear code property
A binary linear code is said to be doubly even if the number of nonzero coordinates in every code-word (or equivalently, the number of elements in every code-word) is a multiple of 4.