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Showing posts with the label Numpy Ndarray

How To Faster Iterate Over A Python Numpy.ndarray With 2 Dimensions

So, i simply want to make this faster: for x in range(matrix.shape[0]): for y in range(matr… Read more How To Faster Iterate Over A Python Numpy.ndarray With 2 Dimensions

Avoid Overflow When Adding Numpy Arrays

I want to add numpy arrays with datatyp uint8. I know that the values in these arrays may be large … Read more Avoid Overflow When Adding Numpy Arrays

Why Is It That The Numpy Array Column Data Type Does Not Get Updated?

nd2values[:,[1]]=nd2values[:,[1]].astype(int) nd2values outputs array([['021fd159b55773fba8157… Read more Why Is It That The Numpy Array Column Data Type Does Not Get Updated?

Numpy.where Uses

Use numpy.where to get all (R, G,B) in a numpy.array with a definite value of R, G and B The proble… Read more Numpy.where Uses

Shuffling And Importing Few Rows Of A Saved Numpy File

I have 2 saved .npy files: X_train - (18873, 224, 224, 3) - 21.2GB Y_train - (18873,) - 148KB X_tr… Read more Shuffling And Importing Few Rows Of A Saved Numpy File

Python: Numpy.dot / Numpy.tensordot For Multidimensional Arrays

I'm optimising my implementation of the back-propagation algorithm to train a neural network. O… Read more Python: Numpy.dot / Numpy.tensordot For Multidimensional Arrays