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how to sort dlarrays

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feynman feynman
feynman feynman 2022-12-4
评论： Xiaoke 2024-9-13，1:18
How to sort dlarrays like in
sort(a)
, where a is a numeric array? Is there a way of sorting next(mbq) by specifying some options in the following code?
mbq = minibatchqueue(ads,MiniBatchSize=miniBatchSize,MiniBatchFormat="BC");
next(mbq)

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Aritra
Aritra 2023-3-20
Hi @feynman feynman,
As per my understanding you are trying to sort a "dlarray" using the "sort" function.
A "dlarray" is a deep learning array designed to store data with optional data format labels for custom training loops. It also enables functions to compute and use derivatives through automatic differentiation.
However, to sort a "dlarray" you must initially convert it to a double array using the "extractdata" function. You can then use the "sort" function to sort the double array. The following code describes the same:
X = randn(1,5);
dlX = dlarray(X);
t = extractdata(dlX);
sort(t);
For detail, please see this MathWorks documentation below for more information on sorting multi-dimensional arrays: https://in.mathworks.com/help/matlab/ref/double.sortrows.html#d124e1400369
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Xiaoke
Xiaoke 2024-9-13，1:18
But this cannot be backpropagated like torch.sort, is there any solution?

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