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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
How To Check If A Numpy Array Is A Subarray Of Another Bigger Array

How To Check If A Numpy Array Is A Subarray Of Another Bigger Array

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So basically I have two arrays, and I want to check if one array is in another... I'm looking f… Read more How To Check If A Numpy Array Is A Subarray Of Another Bigger Array
How To Add 2 Columns In Numpy Ndarray?

How To Add 2 Columns In Numpy Ndarray?

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I have an numpy ndarray like below: [[1 9 1 1] [9 3 1 1] [1 9 9 1] [8 2 4 7]] I want to add las… Read more How To Add 2 Columns In Numpy Ndarray?
Numpy.where Uses

Numpy.where Uses

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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
How Can I Bootstrap The Innermost Array Of A Numpy Array?

How Can I Bootstrap The Innermost Array Of A Numpy Array?

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I have a numpy array of these dimensions data.shape (categories, models, types, events): (10, 11, 5… Read more How Can I Bootstrap The Innermost Array Of A Numpy Array?
When Is The Size Of An Ndarray Not Fixed?

When Is The Size Of An Ndarray Not Fixed?

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The numpy.ndarray documentation states that: An ndarray is a (usually fixed-size) multidimensional… Read more When Is The Size Of An Ndarray Not Fixed?
Not Able To Accurately Input A Batch Of Images Into A Model.fit

Not Able To Accurately Input A Batch Of Images Into A Model.fit

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My model is designed to train dual images. Since the dataset is very huge I used tf.data.Dataset me… Read more Not Able To Accurately Input A Batch Of Images Into A Model.fit
Numpy Vertical Function :'float' Object Is Not Subscriptable

Numpy Vertical Function :'float' Object Is Not Subscriptable

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I have a numpy arrary: import numpy as np pval=np.array([[0., 0.,0., 0., 0.,0., 0., 0.], … Read more Numpy Vertical Function :'float' Object Is Not Subscriptable