Question Cagtegory: Numpy
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• ## 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, …

• 19 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 …

• 13 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 …

• 6 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 …

• 7 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 …

• 11 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 …

• 9 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 …

• 5 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, …

• 8 views
• ## Numpy: concat/expand 2D arrays based on matches in a column. How to eliminate for loop?

I’m looking for a more “Numpy” way to perform an operation to expand and concatenate data from one array to …

• 0 views