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Divakar

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1771.53 (20th) 		Reputation
169,899 (303rd)
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Title Δ
Efficient numpy indexing: Take first N rows of every block of M rows +1.56
Creating a slice of a matrix from a vector in Numpy +1.59
Addition of every two columns +0.05
Group data into classes with numpy -1.91
How to extract rows from an numpy array based on the content? +0.85
get desired element in numpy array of unequal row lengths, without... -2.37
Python vectorizing nested for loops +2.01
Logical operations with array of strings in Python +1.62
getting weighted average then grouping in pandas -2.26
cross products with einsums -1.61
Convert 1D object numpy array of lists to 2D numeric array and back +1.14
Make a list of ranges in numpy 0.00
How do you optimize this code for nn prediction? -0.86
find first instance of a row in pandas dataframe matching a criterion 0.00
How to break numpy array into smaller chunks/batches, then iterate... +1.11
Slice numpy array to make it desired shaped -2.46
concatenated matrix multiplication +0.18
Reshaping 3D array to 2D 0.00
Using a numpy array to assign values to another array +0.32
Calculate mean of array with specific value from another array +1.34
MATLAB: vectorize for-loop containing circshift +0.32
numpy: unpack array along an axis +1.10
Grouping continguous values in a numpy array with their length +0.46
Means of asymmetric arrays in numpy +0.35
Converting a Matalab 60000x10 array to 60000x1 or 1x60000 -0.45
Find indices of a number sequence 0.00
Vectorized Evaluation of a Function, Broadcasting and Element Wise... 0.00
Calculation/manipulation of numpy array +1.59
How can I use a 2D array of boolean rows to filter another 2D array? +0.97
Vectorized gather operation in numpy 0.00
numpy - return index If value inside one of 3d array +2.04
Python pairwise comparison of elements in a array or list +0.81
Add multiple of a matrix without build a new one +0.38
Find all occurences of a specified match of two numbers in numpy ar... -1.72
rolling mean with increasing window -1.02
How can I convert for loop implementation into vectorized calculati... +0.36
MATLAB ind2sub and Numpy unravel_index inconsistency 0.00
Converting a PNG image to 2D array -0.63
how to copy numpy array value into higher dimensions +1.70
How to impute each categorical column in numpy array 0.00
Dot product between 2D and 3D arrays 0.00
"In" operator for numpy arrays? 0.00
Element wise comparison in an array of arrays in Numpy +1.93
Matlab transform 2D matirx to 3D matrix 0.00
Comparing by section two numpy arrays in python and displays the in... -0.08
Numpy collapse columns according to list +1.63
Pythonic way to access the shifted version of numpy array? 0.00
Split a 3D numpy array into 3D blocks 0.00
How can I implement x[i][j] = y[i+j] efficiently in numpy? 0.00
Comparing by section two numpy arrays in python +1.65