Re: [Jprogramming] general fold

2022-04-23 Thread Raul Miller
Like Pascal Jasmin pointed out, fold is overkill for this example. For example: (1 vec} A)-:vec fold A 1 But this does suggest a way of illustrating the use of a fold conjunction, if that's what you want to focus on: (A ]F..{{1 ( wrote: > > Dear J enthusiast, > > I try to play with fold fu

Re: [Jprogramming] general fold

2022-04-23 Thread 'Pascal Jasmin' via Programming
fold may not be the right approach 1 ( 3 2 $ 1 2 3 4 5 6)} 10 10 $ 0 On Saturday, April 23, 2022, 02:02:10 p.m. EDT, Pawel Jakubas wrote: Dear J enthusiast, I try to play with fold functionality F... and here solve more general cases, so when the accumulator structure is different f

[Jprogramming] general fold

2022-04-23 Thread Pawel Jakubas
Dear J enthusiast, I try to play with fold functionality F... and here solve more general cases, so when the accumulator structure is different from the list structure that is iterated. To be concrete let's say we have the array, A, and a list of 2-elem vectors, vec, which institute coordinates (