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Math Help - relation problems

  1. #1
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    relation problems

    Suppose R is an equivalence relation on X={a,b,c,d,e} which produces the partition S={ (a,b), (c,d), (e) }. Find the matrix of R. Find the matrix of R^2
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  2. #2
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    Quote Originally Posted by LAURA.GOODMAN View Post
    Suppose R is an equivalence relation on X={a,b,c,d,e} which produces the partition S={ (a,b), (c,d), (e) }. Find the matrix of R. Find the matrix of R^2
    Is this what that means?
    \begin{array}{ccccccc}<br />
   {} & {|} & a & b & c & d & e  \\<br />
\hline<br />
   a & {|} & 1 & 1 & 0 & 0 & 0  \\<br />
   b & {|} & 1 & 1 & 0 & 0 & 0  \\<br />
   c & {|} & 0 & 0 & 1 & 1 & 0  \\<br />
   d & {|} & 0 & 0 & 1 & 1 & 0  \\<br />
   e & {|} & 0 & 0 & 0 & 0 & 1  \\ \end{array}

    Or does it mean to square that matrix?
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