Many thanks, Jens Axel! That looks very good and includes several techniques
that will help and inspire me, in particular for*/matrix, which I hadn't used
yet.
I'll try it out the next chance I get.
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Hi Tim,
Here is one way to do it:
#lang typed/racket
(require math/matrix math/array)
(: columns->matrix (All (A) ((Listof (Matrix A)) -> (Matrix A
(define (columns->matrix cs)
(define m (matrix-num-rows (first cs)))
(define n (length cs))
(: has-m-rows? : ((Matrix A) -> Boolean))
(d
hi,
I'm trying out matrices (without typed racket, though I read the performance
caveat -- I'm not worried about performance at the moment) and am trying to
find the best idioms for a small function I'd like to build.
Q1: is there an elegant away to assemble a matrix column-wise? (my first dra
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