Though I've never used PDL, I've built up a lot of PDL References here over the years.

Oh, and you might like to check every single node written by PDL maintainer etj (especially recent ones) - you'll find lots of necropost replies to PDL questions. :)

• Reflections after going through all PDL-featuring nodes on PerlMonks by etj (2022)

PDL References

• PDL (wikipedia)
• pdl.perl.org

• Re^2: Unexpected behavior when using PDL::IO::Misc::rcols with $PDL::undefval by etj
• Re^3: Perl and parallel processors by etj
• Re: Access element of a piddle by etj
• Re: Shameless plug and QR japh by etj

• Recommended PDL References by lin0 (2006)
• RFC: PDL Cheat Sheet by lin0 (2007)
• lin0's home node - lots of links on PDL and Scientific Programming in Perl

Other:

• PDL QuickRef
• Learn the basics of PDL (en.perlzemi.com blog)

On CPAN:

• PDL
• PDL::Course
• PDL::Stats
• PDL::Broadcasting
• PDL::NiceSlice
• PDL::IO::Pic - including a fun demo script making a bouncing ball

IRC:

• Re^5: Quick script to check data logger data by etj (2024) - feel free to join #pdl on irc.perl.org and ask questions, a lightweight way to do so is on the MetaCPAN page for various PDL modules (e.g. PDL), via the "Chat with us" link

General Data Science References

Wikipedia:

• Data science
• Array programming
• Bioinformatics
• Computational biology
• PDL
• Perl OpenGL
• BioPerl
• Biopython
• BioRuby
• BioJava
• BioJS
• Julia programming language

See also:

• Re^10: Faster and more efficient way to read a file vertically by etj (It's interesting that there doesn't seem to be much use of PDL in BioPerl)
• Re^2: Organizational Culture (Part II): Meta Process (BioPerl/PDL/AI/Embedded/GPGPU/Data Science References)

References Added Later

• RFC: 100 PDL Exercises (ported from numpy) by mxb (May 2018) - porting 100 numpy exercises to Perl/PDL

• Surface fitting with PDL by Xilman (2020)
• PDL's error or mine? by jo37 (Feb 2023)
• Missing sub-module of PDL::Graphics::Simple by perlboy_emeritus (Aug 2023)
• Re^2: op/magic.t fails to build in perl > 5.36.1 by perlboy_emeritus (Jan 2024) - trying to find a version of Perl that works with PDL-2.084

• PDL 2.082 released by etj (Mar 2023)
• PDL 2.082_01 released by etj (Apr 2023)
• PDL 2.085_02 released by etj (Mar 2024)

• PDL 2.083 released and updates from a year of PDLing by zmughal (May 2023)
• PDL 2.087 released and a summary of a ~year of PDL by zmughal (Apr 2024)

• PDL range on 4-d piddles by jo37 (Oct 2023)
• Re^2: PDL range on 4-d piddles by etj (Jan 2024)

• Translating python math to Perl by cavac (Aug 2023) - with necropost replies by etj Feb 2024

• Re^6: Imagecat - show color images in a terminal ('Memoization' for PDL) by etj (Feb 2024)
• Re^5: Imagecat - show color images in a terminal by etj (Feb 2024)
• Re^6: Imagecat - show color images in a terminal ('Memoization' for PDL) by etj (Feb 2024)
• Re^6: Imagecat - show color images in a terminal ('Memoization' for PDL) by etj (Feb 2024)

• Re^2: first stumbling steps in PDL by etj (Feb 2024)
• Re^4: first stumbling steps in PDL by etj (Feb 2024)
• Re^6: first stumbling steps in PDL by etj (Feb 2024)

• Module name: PDL::WebSocket? by etj (Apr 2024)
• Marching Squares (for contouring) with a PDL convolution by etj (May 2024)
• PDL bitfield type - wanted? by etj (May 2024)
• Bizarre copy of ARRAY etc - solved by etj (May 2024)
• Example of PDL dataflow to implement 3D space calculations by etj (Jun 2024)
• PDL animation of bouncing ball by etj (Aug 2024)

• Conways Game of Life in PDL by mxb (2018)
• Re: Conways Game of Life in PDL by etj (2024) - mentions GoL example in PDL at PDL::Broadcasting

• Fast sliding submatrix sums with PDL (inspired by PWC 248 task 2) by anonymonk (Christmas 2023)
• Re: Fast sliding submatrix sums with PDL (inspired by PWC 248 task 2) by etj (Feb 2024)

• PDL and srand puzzle by syphilis (Jun 2024) - surprised by PDL's srand() function
• PDL Book as epub? by cavac (Aug 2024) - looking for the PDL book in EPUB format
• Re: Sound from Scratch by haj (Aug 2024) - learning PDL by playing with sound via pulse-code modulation (PCM), .wav files, Fast Fourier Transform (FFT), ...

• PDL undefined reference to pdl_pthread error on install by Don Coyote (Feb 2024) - reply notes Strawberry Perl have PDL editions, which install PDL along with Perl
• Re: Creating X BitMap (XBM) images with directional gradients by kcott (Aug 2024) - tried many times to install PDL on Windows 10 (cygwin) without success, more luck with perl v5.40.0 (some problems with OpenGL modules, but PDL and PDL::GSL::RNG seem ok)

• can we call c++ in perl to process PDL arrays? by toothedsword (2019) - etj reply mentions PDL::API and shows how to call from PDL C code into C++ via a wrapper