[R] Hankel Matrix

[Erich Neuwirth]

hankel<-function(seq){
outer(1:((length(seq)+1)/2),1:((length(seq)+1)/2),
     function(x,y) seq[x+y-1])
}


will take a sequence of odd length and ouput the corresponding
square Hankel matrix.


Fred J. wrote:

 > Hello
 > is there a function in R to generate Hankel Matrix?



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Erich Neuwirth, Computer Supported Didactics Working Group
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