Looks like the files did not go through again. In any case, here is the kinv: please cut and paste and save to a file:
-1.16801E-03 -2.24310E-03 -1.16864E-03 -2.24634E-03 -1.17143E-03 -2.25358E-03 -1.17589E-03 -2.26484E-03 -1.18271E-03 -2.27983E-03 -1.19124E-03 -2.29896E-03 -1.20164E-03 -2.32206E-03 -1.21442E-03 -2.34911E-03 -1.22939E-03 -2.38073E-03 -1.24626E-03 -2.41702E-03 -1.26596E-03 -2.45828E-03 -1.28801E-03 -2.50458E-03 -1.31296E-03 -2.55646E-03 -1.34048E-03 -2.61444E-03 -1.37127E-03 -2.67887E-03 -1.40531E-03 -2.75026E-03 -1.44311E-03 -2.82930E-03 -1.48481E-03 -2.91652E-03 -1.53081E-03 -3.01281E-03 -1.58131E-03 -3.11930E-03 -1.63727E-03 -3.23708E-03 -1.69907E-03 -3.36712E-03 -1.76720E-03 -3.51113E-03 -1.84251E-03 -3.67073E-03 -1.92580E-03 -3.84787E-03 -2.01834E-03 -4.04507E-03 -2.12087E-03 -4.26509E-03 -2.23531E-03 -4.51127E-03 -2.36357E-03 -4.78743E-03 -2.50664E-03 -5.09847E-03 -2.66813E-03 -5.45027E-03 -2.85019E-03 -5.84987E-03 -3.05664E-03 -6.30596E-03 -3.29224E-03 -6.82972E-03 -3.56187E-03 -7.43448E-03 -3.87322E-03 -8.13766E-03 -4.23449E-03 -8.96182E-03 -4.65684E-03 -9.93567E-03 -5.15519E-03 -1.10980E-02 -5.74887E-03 -1.25006E-02 -6.46346E-03 -1.42143E-02 -7.33466E-03 -1.63391E-02 -8.41211E-03 -1.90180E-02 -9.76709E-03 -2.24632E-02 -1.15055E-02 -2.70006E-02 -1.37894E-02 -3.31497E-02 -1.68780E-02 -4.17865E-02 -2.12092E-02 -5.44795E-02 -2.75722E-02 -7.42814E-02 -3.75180E-02 -0.107820 -5.44778E-02 -0.171908 -8.74660E-02 -0.320830 -0.167792 -0.826079 -0.486405 -6.28085 19.4495 -6.28085 -0.486405 -0.826079 -0.167792 -0.320830 -8.74660E-02 -0.171908 -5.44778E-02 -0.107820 -3.75180E-02 -7.42816E-02 -2.75722E-02 -5.44795E-02 -2.12092E-02 -4.17865E-02 -1.68780E-02 -3.31495E-02 -1.37894E-02 -2.70004E-02 -1.15055E-02 -2.24632E-02 -9.76708E-03 -1.90179E-02 -8.41210E-03 -1.63391E-02 -7.33465E-03 -1.42142E-02 -6.46346E-03 -1.25005E-02 -5.74887E-03 -1.10979E-02 -5.15519E-03 -9.93565E-03 -4.65686E-03 -8.96166E-03 -4.23449E-03 -8.13766E-03 -3.87320E-03 -7.43444E-03 -3.56187E-03 -6.82968E-03 -3.29223E-03 -6.30590E-03 -3.05665E-03 -5.84988E-03 -2.85020E-03 -5.45026E-03 -2.66813E-03 -5.09848E-03 -2.50664E-03 -4.78742E-03 -2.36358E-03 -4.51160E-03 -2.23531E-03 -4.26516E-03 -2.12088E-03 -4.04506E-03 -2.01834E-03 -3.84791E-03 -1.92580E-03 -3.67066E-03 -1.84251E-03 -3.51094E-03 -1.76720E-03 -3.36700E-03 -1.69907E-03 -3.23702E-03 -1.63727E-03 -3.11926E-03 -1.58130E-03 -3.01269E-03 -1.53081E-03 -2.91633E-03 -1.48480E-03 -2.82912E-03 -1.44311E-03 -2.75018E-03 -1.40531E-03 -2.67891E-03 -1.37126E-03 -2.61459E-03 -1.34048E-03 -2.55652E-03 -1.31296E-03 -2.50461E-03 -1.28801E-03 -2.45833E-03 -1.26595E-03 -2.41717E-03 -1.24626E-03 -2.38063E-03 -1.22938E-03 -2.34904E-03 -1.21443E-03 -2.32207E-03 -1.20164E-03 -2.29903E-03 -1.19124E-03 -2.27985E-03 -1.18271E-03 -2.26497E-03 -1.17589E-03 -2.25364E-03 -1.17145E-03 -2.24634E-03 -1.16863E-03 -2.24284E-03 Thanks! --- Globe Trotter <[EMAIL PROTECTED]> wrote: > Date: Mon, 2 May 2005 19:51:24 -0700 (PDT) > From: Globe Trotter <[EMAIL PROTECTED]> > Subject: Re: [R] eigenvalues of a circulant matrix > To: r-help@stat.math.ethz.ch > > OK, here we go: > > I am submitting two attachments. The first is the datafile called kinv used > to > create my circulant matrix, using the following commands: > > > x<-scan("kinv") > y<-x[c(109:1,0:108)] > X=toeplitz(y) > eigen(X) > write(X,ncol=216,file="test.dat") > > reports the following columns full of NaN's: 18, 58, 194, 200. (Note that > eigen(X,symmetric=T) makes no difference and I get the same as above). > > The second attachment contains only the eigenvectors obtained on calling a > LAPACK routine directly (from C). The eigenvalues are essentially the same as > that obtained using R. Here, I use the LAPACK-recommended double precision > routine dspevd() routine for symmetric matrices in packed storage format. > Note > the absence of the NaN's....I would be happy to send my C programs to whoever > is interested. > > I am using > > :~> uname -a > Linux 2.6.11-1.14_FC3 #1 Thu Apr 7 19:23:49 EDT 2005 i686 i686 i386 GNU/Linux > > and R.2.0.1. > > Many thanks and best wishes! > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html