how to extract row& col names from a matrix

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You mean somthing like the following?
cat("(");cat(rownames(a),sep=",");cat(")")
cat("(");cat(colnames(a),sep=",");cat(")")

Best regrads,
Kristel
Dear all,
  I like to extract row names & column names from the named matrix......

  like......

   a<-matrix(1:6,2)
 ro<-c("aa","bb")
 co<-c("dd","ee","ff")
 dimnames(a)<-list(ro,co)
a

 >
    dd ee ff
aa  1  3  5
bb  2  4  6

  from the above matrix "a"
  I like to extract
  rownames separately like rownames(a)= (aa,bb)
    column names separately like col names(a)= (dd,ee,ff)

  Kindly suggest me some good ways.......

  tha??nk you all

  with regards,
  boopathy.

Thirumalai Shanmuha Boopathy, 
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shanmuha boopathy a ??crit :

 >    a<-matrix(1:6,2)
 >  ro<-c("aa","bb")
 >  co<-c("dd","ee","ff")
 >  dimnames(a)<-list(ro,co)

(Not sure I fully understand the question), but :
rn = rownames(a);
cn = colnames(a);