Question Cagtegory: Numpy
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• ## 20 NumPY Exercises for Beginners (Python Solutions) | FavTutor

Here are 20 Python NumPy exercises with solutions for Python developers to quickly learn and practice NumPy skills.

Train Asked on May 12, 2021 in
• 195 views
• ## Stack a list of numpy arrays

I have a list of numpy arrays that are of the following shapes: (16, 250, 2) (7, 250, 2) (1, …

Professor Asked on October 26, 2020 in
• 153 views
• ## Naming split data frames within for loop

This question already has answers here: Split dataframe into relatively even chunks according to length (2 answers) Closed 5 months …

Professor Asked on October 26, 2020 in
• 129 views
• ## Numpy: how to extract rows of numpy array between multiple pairs of values?

I am relatively new to Python and I am currently facing some problems in implementing a conceptually simple algorithm in …

Professor Asked on October 26, 2020 in
• 106 views
• ## Function numpy.apply_along_axis unexpected result

I want to code a function to convert a 2D numpy array to Mathematica matrix syntax. However, I have found …

Professor Asked on October 26, 2020 in
• 85 views
• ## Get indices of nonzero values in numpy array with allowance for repeated indices with value > 1

Given >>> a = np.array((0, 1, 0, 0, 0, 2, 0, 1)) one can find the index location of non-zero …

Professor Asked on October 26, 2020 in
• 111 views
• ## Fast nonzero indices per row/column for (sparse) 2D numpy array

I am looking for the fastest way to obtain a list of the nonzero indices of a 2D array per …

Professor Asked on October 26, 2020 in
• 110 views
• ## Use NumPy cleverly to speed up this loop

This is quite a theoretical question. It is about the for loop at the end of the code attached. I …

Professor Asked on October 26, 2020 in
• 95 views
• ## Pattern in a Numpy Series

I have a Python Numpy array: a = np.array([1,0,5,6,0,1,2,5,0,1,2,8,0,0,0,0,1,1,2,3,0,0,10,0]) I am trying to find the following: a) Between each zero, …

Professor Asked on October 26, 2020 in
• 95 views