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Divakar

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1771.53 (20th) 		Reputation
169,899 (303rd)
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Title Δ
Vectorized dictionary in Python -2.24
Set Trailing Zeros to X FAST 0.00
Performance of double np.einsum and how to speed up 0.00
Normalize scipy sparse matrix with number of nonzero elements +0.95
Row Division in Scipy Sparse Matrix +0.24
Numpy: how to insert an (N,) dimensional vector to an (N, M, D) dim... +1.26
Vectorized sum operation on a numpy array with masked indices 0.00
Normalize 2d arrays +1.20
How to slice numpy rows using start and end index +1.16
Multiple cumulative sum within a numpy array +0.06
4D matrix multiplication +1.00
NumPy broadcasting to improve dot-product performance +0.98
Retrieve indexes of multiple values with Numpy in a vectorization way 0.00
Efficiently compute sum of N smallest numbers in an array 0.00
Set 3D numpy array value to 0 if last axis index is smaller than va... 0.00
Reshape 1d array to 3d array numpy -0.54
How to efficiently sum each element of vector with matrix getting e... +1.01
Find boolean mask by pattern +0.92
How to crop a numpy 2d array to non-zero values? -0.77
python pairwise subtract two elements in multi-dimensional array co... +0.21
Numpy assign columns of a 2d array as sum of columns of indices of... 0.00
how can I extract multiple random sub-sequences from a numpy array 0.00
Getting the indices of several rows in a NumPy array at once -1.03
elementwise outer product of tensors using einsum 0.00
Python: use numpy array of indices to "lookup" values fro... 0.00
Extracting 2d patches from 3d arrays 0.00
Fisher Information Calculation Extended 0.00
python: vectorized cumulative counting 0.00
Create index dictionary from integer list +1.00
How can I take a dot product along a particular dimension in numpy? +0.92
Number of unique elements per row in a NumPy array +1.01
Improve performance of difference between elements block 0.00
Take N first values from every row in NumPy matrix that fulfill con... 0.00
Efficiently computing Khatri-Rao like sum (pairwise row sum) 0.00
Filter numpy array to retain only one row for a given value 0.00
Find numpy array coordinates of neighboring maximum 0.00
Check if all rows in one array are present in another bigger array 0.00
How does einsum interact with numpy broadcasting? 0.00
Improve performance of combined for blocks with numpy 0.00
Comparing numpy array with itself by element efficiently +0.78
Change 2D array by 2D array of indices 0.00
python: performance image slicing numpy +1.08
python: performance enhancement shrinking image 0.00
Filling zeros in numpy array that are between non-zero elements wit... 0.00
Replace last values by previous value +0.22
Numpy, counting unique neighbours in 2d array 0.00
Efficient flattening of a pandas dataframe -1.17
Efficient way to find price momentum in python: averaging last n en... -1.86
Efficiently zero out all but largest n elements for each image pixel 0.00
Combinations without repeat and ordering matters or Permutations of... -2.14