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Divakar

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1771.53 (20th) 		Reputation
169,899 (303rd)
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Title Δ
How to find cumulative sum of items in a list of dictionaries in py... -1.82
Improving the performance of repetitive groupby operations 0.00
Expanding each element in a (2-by-2) matrix to a (3-by-2) block +1.63
How to randomly assign values row-wise in a numpy array +0.36
How can I slice each element of a numpy array of strings? +1.25
Fast counts of elements of numpy array by value thresholds in anoth... -0.64
How to merge two images using second as a transparent binary mask i... 0.00
Numpy multiplying different shapes +0.33
Create Numpy array without enumerating array +0.76
Padding elements of a numpy array +1.62
Convert numpy matrix to python array +0.36
Efficiently find indices of all values in an array +1.80
Most efficient way to turn dictionary into symmetric/distance matri... -1.93
How to map pixels (R, G, B) in a collection of images to a distinct... 0.00
How do I get the dot product but without the summation -0.08
Extracting element from a bitarray using indexes in a list 0.00
Finding entries containing a substring in a numpy array? +0.73
How to convert cumulative data to daily one? -0.40
vectorize complex slicing with pandas dataframe 0.00
Stack submatrices 3d matrix in one matrix -1.25
Creating new numpy arrays based on condition +0.36
Apply condition throughout multiple python arrays 0.00
Quickly calculating centroid of binary numpy array 0.00
Numpy: Reshape array along a specified axis +1.35
numpy.column_stack with numeric and string arrays +1.65
How to use broadcasting to speed up this code? 0.00
Finding where a set of values lie within a matrix -0.14
Find 1D array from 2D NumPy arrays? 0.00
How to remove first occurrence in string repeatedly python? +1.75
Is there a faster way of doing full row comparisons on a small pand... +1.28
Python Pandas : How to compile all lists in a column into one uniqu... -1.43
How to compare value in list without using loop in python? +0.90
random flip m values from an array +1.05
How to insert elements in a vector at regular intervals in Matlab -0.65
Vectorizing range setting - MATLAB +0.91
np_utils.to_categorical Reverse 0.00
Numpy creating logical array in the presence of NaNs +1.67
how to calculate np.nanmean of 2d array 0.00
How to index a tensor using arrays? 0.00
Algorithm to match arrays of occurrences by time 0.00
Multiplying 3D matrix with 2D matrix 0.00
Optimize matlab for loop for big data -0.46
Filter 2D numpy array if array element appears more than once +0.39
Vectorize kroniker multiplcation with trace calculations 0.00
How to create a symmetric matrix from a numpy 1D array the most eff... -2.34
Vectorizing a Nested Loop -0.54
Optimal way for finding 'greatest value less than' in Numpy... +0.37
Converting dictionary with known indices to a multidimensional array +1.67
Construct image from 4D list +0.37
Multiply each column from 2D array with each column from another 2D... 0.00