Difference between revisions of "Complete residue system"

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In other words, the set contains exactly one member of each residue class.
 
In other words, the set contains exactly one member of each residue class.
 
==Examples==
 
==Examples==
<math>\{1,2,3\}</math>, <math>\{4,5,6\}</math>, and <math>\{9,17,85\}</math> are all Complete residue systems <math>\pmod{3}</math>
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<math>\{1,2,3\}</math>, <math>\{4,5,6\}</math>, and <math>\{9,17,85\}</math> are all Complete residue systems <math>\pmod{3}</math>.
  
<math>\{k, k+1, k+2, k+3 ... k+m-1\}</math> is a complete residue system <math>\pmod{m}</math>. For any integer <math>k</math> and positive integer <math>m</math>. Basically, any consecutive string of <math>m</math> integers forms a complete residue system <math>\pmod{m}</math>
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<math>\{k,k+1,k+2,k+3,\ldots,k+m-1\}</math> is a complete residue system <math>\pmod{m}</math>, for any integer <math>k</math> and positive integer <math>m</math>. Basically, any consecutive string of <math>m</math> integers forms a complete residue system <math>\pmod{m}</math>.

Latest revision as of 19:53, 1 January 2010

A Complete residue system modulo $n$ is a set of integers which satisfy the following condition: Every integer is congruent to a unique member of the set modulo $n$.

In other words, the set contains exactly one member of each residue class.

Examples

$\{1,2,3\}$, $\{4,5,6\}$, and $\{9,17,85\}$ are all Complete residue systems $\pmod{3}$.

$\{k,k+1,k+2,k+3,\ldots,k+m-1\}$ is a complete residue system $\pmod{m}$, for any integer $k$ and positive integer $m$. Basically, any consecutive string of $m$ integers forms a complete residue system $\pmod{m}$.