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DyalogLtd

  • Depth-first search in APL

    • 1 week ago
    • 704 views
    Step-by-step development of a depth-first tree-search operator in an APL session.
    NB: The concepts in this little video are fairly concentrated; it may help to pause by hitting the SPACE BAR now an...
  • A Sudoku Solver in APL

    • 1 year ago
    • 17,313 views
    Development of a Sudoku solver in APL.
    You might want to hit pause now and again.
    Experiment for yourself at http://www.TryAPL.org.
    Notes on the algorithm: http://dfns.dyalog.com/n_sudoku_bfs.htm
    ...
  • You can set ⎕IO (that's quad eye oh) to either 0 or 1 under "options | Configure | Session", or temporarily by assigning to it in the session. According to the manual "⎕IO determines the index of first element of a non-empty array", Iota N generates a vector of N indices, starting at ⎕IO.

    In a new installation of Dyalog APL ⎕IO is set to 1, but many people prefer to start indexing at 0, and so change it in the options section.

    Hope that helps :)

    Conway's Game Of Life in APL

    • 5 years ago
    • 111,302 views
    Click this link for the high resolution version with clearer text :)
    http://uk.youtube.com/watch?v=a9xAKttWgP4&fmt=18

    There is a "Game of Life" tutorial at http://tryapl.org, which allows you to s...
  • A Plea for Simplicity

    • 5 years ago
    • 4,216 views
    John Scholes calls Eds hardware store to complain about the design of one of his tools The Masso-matic SK-90 Digital Lump Hammer. John is the Senior APL Language designer at Dyalog Ltd (from Johns ...
  • How about a Nice Game of Chess?

    • 5 years ago
    • 3,749 views
    Morten Kromberg shows why Unicode is a good thing, using Dyalog APL version 12.0 to build a GUI for playing Chess using Excel as a multi-dimensional database for recording the moves Morten is the ...
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