zero-padding

Forming a frame of zeros around a matrix in python

Forming a frame of zeros around a matrix in python Question: I am trying to pad a matrix with zeros, but am not really sure how to do it. Basically I need to surround a matrix with an n amount of zeros. The input matrix is huge (it represents an image) Example: Input: 1 2 …

Total answers: 1

Appending zero rows to a 2D Tensor in PyTorch

Appending zero rows to a 2D Tensor in PyTorch Question: Suppose I have a tensor 2D tensor x of shape (n,m). How can I extend the first dimension of the tensor by appending zero rows in x by specifying the indices of where the zero rows will be located in the resulting tensor? For a …

Total answers: 2

Zero pad numpy array

Zero pad numpy array Question: What’s the more pythonic way to pad an array with zeros at the end? def pad(A, length): … A = np.array([1,2,3,4,5]) pad(A, 8) # expected : [1,2,3,4,5,0,0,0] In my real use case, in fact I want to pad an array to the closest multiple of 1024. Ex: 1342 => 2048, …

Total answers: 6

How do I pad a string with zeroes?

How do I pad a string with zeroes? Question: How do I pad a numeric string with zeroes to the left, so that the string has a specific length? Asked By: Faisal || Source Answers: Besides zfill, you can use general string formatting: print(f'{number:05d}’) # (since Python 3.6), or print(‘{:05d}’.format(number)) # or print(‘{0:05d}’.format(number)) # or …

Total answers: 19