1

Matrix Flatten

Unsolved
Fundamentals
Neural Networks

Difficulty: 1 | Problem written by zeyad_omar
Problem reported in interviews at

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In deep learning, engineers sometimes need to reshape the input image to a 1D vector to feed it to a dense neural network.

In this problem you are given a 2D matrix (image) and you must flatten the image to a 1D vector.

Sample Input:
<class 'list'>
img: [[1, 1, 1, 1], [0, 0, 0, 0]]

Expected Output:
<class 'numpy.ndarray'>
[1 1 1 1 0 0 0 0]

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numpy has been already imported as np (import numpy as np)