I'm trying to compute eigenvectors of symmetric matrices with the great eigens_sym function of the great PDL Perl module. use strict; # Be pessimistic and careful with interpretations in the compil...

While using PDL::Graphics::Gnuplot to plot data, I came across a strange effect. It seems, only a limited number of points is plotted at a time using replot. Consider the following example (15 lin...

I am new to Moose and doing quite well until I have hit a snag using a PDL as a property. I want to be able to write an object to a file (I have been using use MooseX::Storage; with Storage('io' =&...

I would like to use Perl and PDL to achieve a rotation of a 3x3 matrix (if possible) I.e original matrix [ 1, 2, 3 ] [ 4, 5, 6 ] [ 7, 8, 9 ] I would like to rotate, around 5, so it becomes new ...

I want to create and manipulate large arrays of (4 byte) integers in-memory. By large, I mean on the order of hundreds of million. Each cell in the array will act as a counter for a position on a c...

I am using pdl2 (the PDL shell) also as a my default Perl interactive shell (it loads all the nice plugins for Devel::REPL). But I am missing the x dumper-printing alias. p is nice for piddles but ...