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Showing posts with the label Numpy Ndarray
Very Slow Numpy Or Operation

Very Slow Numpy Or Operation

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I am doing an OR operation on large dataset which is an numpy dtype array object. Below code is par… Read more Very Slow Numpy Or Operation
Shuffling And Importing Few Rows Of A Saved Numpy File

Shuffling And Importing Few Rows Of A Saved Numpy File

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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
How Come Not-copying A Numpy Array Changes The Data Attribute?

How Come Not-copying A Numpy Array Changes The Data Attribute?

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As my MWE below shows, calling np.array(a, copy=False) on an existing array a returns something tha… Read more How Come Not-copying A Numpy Array Changes The Data Attribute?
Pytables Create_array Fails To Save Numpy Array

Pytables Create_array Fails To Save Numpy Array

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Why does the snipped below give: 'TypeError: Array objects cannot currently deal with void, uni… Read more Pytables Create_array Fails To Save Numpy Array
Convert String Containg Array Of Floats To Numpy Array

Convert String Containg Array Of Floats To Numpy Array

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I have a numpy array of floats that I wish to convert to a string to transmit via JSON: import nump… Read more Convert String Containg Array Of Floats To Numpy Array
How To Faster Iterate Over A Python Numpy.ndarray With 2 Dimensions

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

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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