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Questions - indices

How do I more efficiently convert a string of slices to slice objects that can then be used to slice arrays & tensors in PyTorch / NumPy?

How can I simplify this function that converts strings of slices for PyTorch / NumPy to slice list objects that can then be used to slice arrays & tensors? The code below works, but it seems rathe...
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ProGamerGov

python

numpy

pytorch

indices

Votes: 0

Answers: 2

Latest Answer

Iterating multiple times is not necessary. The sample string has been slightly expanded to test more cases. def str2slices(s): d = {True: lambda e: slice(*[int(i) if i else None for i in e.split('...
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Michael Szczesny

index values not updating to what I want them to be

I have the following code. I'm trying to iterate through List2 to find all the indices of Value. I then want to set the index in List1 to 0 for all the matching indices in List2. List1 = [1, 1, 1, 0, ...
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Brandon Zabriskie

python

indices

Votes: 0

Answers: 1

Latest Answer

Every item in your List2 appears to be it's own list of lists, (as does your Value). You'll need to either cut down on the brackets eg. List1 = [1, 1, 1, 0, 0, 1, 1, 1] List2 = [3.08125597, 1.64528009...
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Linden

getting values of a torch tensor from a tensor of indices

I apologize in advance for my basics knowledge of pytorch, but this problem stuck me for some time. Suppose I have a torch tensor u of shape (8,8,1), for example u = tensor([[0.0000, 0.1429, 0.2857, 0...
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Mara Guastini

pytorch

tensor

torch

indices

Votes: 0

Answers: 2

Latest Answer

For presented shapes (u.shape -- (8, 8), indices.shape -- (2, 8, 8)) seems like naive indexing works fine result = u[indices[0], indices[1]]
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draw

How could I delete 50% of the smileys from a text, selected randomly, with Ruby?

For example: "Hi! How :) are :) you? I'm :) fine.:)".magic() => "Hi! How are :) you? I'm fine.:)" or => "Hi! How are :) you? I'm :) fine." or ... Only :) smiley sh...
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Konstantin

regex

ruby

match

gsub

indices

Votes: 0

Answers: 2

Latest Answer

Use: String#scan to get all occurences of the smiley Array#sample to make a random selection of which to remove String#gsub with a block parameter to iterate through matches and select positions to s...
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