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The Dyalog Blog

267 blog posts in 34 categories covering APL insights, company news and events, innovative projects, and more.

I was asked by a colleague why ⎕S reports two matches in the following example: ('d*'⎕S 0 1)'321' ┌───┬───┐ │0 3│3 0│… Read
Abstract digital image with flowing lines and shimmering mesh patterns in warm gold and silver tones, evoking layered complexity and subtle structure, suggestive of pattern analysis or data transformation.
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 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
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
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
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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).

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