TLDR: Is there a Haskell library that offers function definitions (preferably with concise notation or naming) for handling common patterns of multi-a ...

I need to most efficiently insert a number in a maintained large sorted variable. Is there a better method than test1? test1 is quite a bit faster vs ...

There is this, but now I'm on Ubuntu 22.10 and these solutions don't seem to work for trying to get a dyalog latest keyboard. I'm getting And I did ...

I would like to use my old APL*PLUS PC functions on Dyalog or GNU APL. Is there a way to convert workspaces (preferred) or functions without having to ...

Using Dyalog APL I'm trying to create a grid with cell tooltips. These tooltips are created with the method AddComment. For some reason the tooltip do ...

I have an old APL application that runs on DOS that performs FFT and IFFT. It generates a rank limit error on GNU APL. With a workspace of 55 GB there ...

In the tryapl.org Primer when you select the Del glyph (∇) it shows an example of a Double-Del (∇∇) where a dop (as I understand it, a user defined op ...

I am trying to read a column from a CSV file into an array. So far I have successfully read the file with the code below. Typing data in the inter ...

In the paper "Combinatory Logic and Combinators in Array Languages" they give a solution in APL: For clarity, they also note: The final maximum ...

On Windows the answer is Options>Configure>"User commands" ...

I want to be able to use the same config file across all of my machines, and my username is unfortunately different at work, so absolute paths are dif ...

I have this array which is called x Supposedly something is happening when I enclose x using ⊂x but I see no difference: What's going on here? ...

My expression Is returning but I expected it to return Why? ...

There are many APL Fonts I am interested in using with the Remote IDE for Dyalog APL. How do I change the font in RIDE? ...

I'm trying to write a few different functions, such as standard deviation and linear regression in APL. I need to pass in a list of (x, y) points, but ...

How can I enable the ]dinput multi-line functionality by default in Ride? ...

I have created the map function using Scheme, but I want to implement it in APL. The map function takes two arguments: a function: func (like doubl ...

In APL, one can construct a generalized inner product using f.g. According to the manual, the result is an array in which each item is constructed fro ...

Copied from https://dfns.dyalog.com/c_factors.htm It works exactly as the example apart from the fact I am not able to to type it as separate lines ...

APL is great for array type problems but I'm curious as to how best work with graphs in APL. I'm playing around with leet questions, for example quest ...