Le 20/01/2020 à 09:18, Federico Miyara a écrit :
Dear All,
I have an N-D array A (sometimes called hyperarray) with n dimensions,
where n is a parameter a priori unknown since it is, for instance, an
input argument of a function. So in conceptual form each element is
A(k1, k2, k3, ..., kn)
I'm looking for an elegant way to extract all elements with a given
index over a given dimension, for instance
A(:, k2, :, ..., :)
This would mean to get an hyperarray made up of the k2-th column of
all remaining dimensions.
If extraction could be performed replacing the indexes by a list, for
instance
L = list(),
for i=1:n
L($+1) = 1:size(A)(i);
end
L(2) = 1
Then A(L) would work, but the result is an error message "Invalid index".
A(L(:)) should do it.
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