Additive identity
= Additive identity
{title2=$0$}
{wiki}
An <identity element> for <addition>: $0+a=a+0=a$. In a <vector space>, it is the <zero vector>; among <matrices> of fixed dimensions, it is the <zero matrix>.
= Additive identity
{title2=$0$}
{wiki}
An <identity element> for <addition>: $0+a=a+0=a$. In a <vector space>, it is the <zero vector>; among <matrices> of fixed dimensions, it is the <zero matrix>.