Format: et-post-format-video

About PresentAPL

The presentation is held in PresentAPL, a Dyalog class that produces a single HTML5 file from a Markdown file. The resulting stand-alone file comes with embedded CSS and JavaScript which acts like a PowerPoint presentation in...

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A Memo Operator

Some functions are simply stated and easily understood as multiply-recursive functions. For example, the Fibonacci numbers are {1≥⍵:⍵ ⋄ (∇ ⍵-2)+∇ ⍵-1}. A drawback of multiple recursion is the abysmal performance even for...

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File functions in Dyalog 15

Dyalog version 15.0 will include new functions designed to make access the host file system both easier and platform independent. In this interactive session, Richard will discuss their design, demonstrate them in action and...

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About

Welcome to Vector, the Journal of the British APL Association. The BAA promotes the APLs, terse programming languages derived
from Iverson’s mathematical notation.

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