If you need eigenvalues/eigenvectors from non-symmetric matrices, I recommend using the PDL::LinearAlgebra routines. Most of the internal PDL routines are limited to symmetric matrix calculations.
Regards, Chris On Thu, Jul 14, 2011 at 5:13 PM, Chris Marshall <[email protected]> wrote: > Whenever you see a message like this: > > Can't locate auto/PDL/Math/eigen_c.al in @INC > it means that the sub eigen_c could not be found. > > Are you sure you have the prerequisites installed > for the tutorial? Is this tutorial on our web page > or wiki? > > There are a couple of eigensolvers in PDL::MatrixOps. > PDL::Slatec has one. PDL::LinearAlgebra has a few > more if you install it. > > Try 'appropos eigen' at the pdl2 or perldl shell prompt > for infomation on routines you may already have > installed. > > Cheers, > Chris > > On Thu, Jul 14, 2011 at 4:41 PM, Vijayaraj <[email protected]> wrote: >> >> I have installed PDL v2.4.9 in ubuntu 11.04 using the procedure given in the >> site http://pdl.perl.org/?page=install (latest version of PDL in ubuntu). I >> have not installed few optional packages from that instruction and also my >> system has perl verion v5.10.1 (*) built for x86_64-linux-gnu-thread-multi. >> When I try to check the pdl installation using a code from tutorial i get a >> error message like this, >> >> pdl> p PDL::Math::eigen_c($x); >> Can't locate auto/PDL/Math/eigen_c.al in @INC (@INC contains: /etc/perl >> /usr/local/lib/perl/5.10.1 /usr/local/share/perl/5.10.1 /usr/lib/perl5 >> /usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10 >> /usr/local/lib/site_perl .) (in cleanup) Can't locate >> auto/PDL/Math/eigen_c.al in @INC (@INC contains: /etc/perl >> /usr/local/lib/perl/5.10.1 /usr/local/share/perl/5.10.1 /usr/lib/perl5 >> /usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10 >> /usr/local/lib/site_perl .) >> >> I checked the eigen_c.al file in that location and it is missing. is there >> any problem in the installation. Can any one help me to fix this problem. >> >> Regards, >> Vijay >> >> >> _______________________________________________ >> Perldl mailing list >> [email protected] >> http://mailman.jach.hawaii.edu/mailman/listinfo/perldl >> >> > _______________________________________________ Perldl mailing list [email protected] http://mailman.jach.hawaii.edu/mailman/listinfo/perldl
