DYNA26: 27 April 2026. More info

The Dyalog Blog

271 blog posts in 35 categories covering APL insights, company news and events, innovative projects, and more.

Abstract digital artwork with layered mesh patterns and intersecting light beams in soft blue and copper tones, evoking themes of complexity, structure, and encoded information.
This post is the continuation of the series where we examine some of the problems selected for the 2014 APL Problem Solving Competition. In this post… Read
Abstract digital artwork with flowing light patterns and glowing particles, suggesting data, encryption, or code decryption, in cool grey and black tones.
This post is a continuation of the series where we examine some of the problems selected for the 2014 APL Problem Solving Competition. I’ll start by… Read
Dyalog Ltd - company logo
Acknowledgments Morten Kromberg is the other co-author of this text but the blogging software prevents his being listed as such. We are indebted to Jay Foad,… Read
Dyalog Ltd - company logo
Morten was visiting Dyalog clients and forwarded a request: Can we have the Cholesky decomposition? If A is a Hermitian, positive-definite matrix, its Cholesky… Read
Dyalog Ltd - company logo
The most obvious expression for computing π in APL is ○1. But what if you can’t remember how ○ works, or your O key is broken, or you feel like… Read
Dyalog Ltd - company logo
Roger’s post speculating on Ken Iverson’s favourite APL expression reminded me that one of the delegates at Dyalog ’14 conducted a quick… Read
Get Support

Technical advice and assistance on all aspects of Dyalog usage is available by e-mail (support@dyalog.com) and/or telephone (+44 1256 830030 – limited to U.K. office hours). Limited advice on design and coding is available, but is not intended to replace the use of the printed and on-line documentation. Except when reporting an issue with the software, users are encouraged to seek advice from the user community via the Dyalog Forum (reading the content of the forums does not require membership).

Search our website...
Dyalog Ltd